mapAdd
|
map.put("some_key", "value");
// #end::data_structures_1[];
}
public void data_structures_2() throws Exception {
map.remove("some_key");
// #end::data_structures_2[];
}
public void data_structures_3() throws Exception {
map.get("some_key"); //=> value
// #end::data_structures_3[];
}
public void data_structures_4() throws Exception {
arrayList.add(1234);
// #end::data_structures_4[];
}
public void data_structures_5() throws Exception {
arrayList.add(0, "hello world");
// #end::data_structures_5[];
}
public void data_structures_6() throws Exception {
arrayList.remove(1);
// #end::data_structures_6[];
}
public void data_structures_7() throws Exception {
arrayList.set(0, "first value");
// #end::data_structures_7[];
}
public void data_structures_8() throws Exception {
arrayList.get(0);
// #end::data_structures_8[];
}
public void data_structures_9() throws Exception {
arraySet.add("some_value");
// #end::data_structures_9[];
}
public void data_structures_10() throws Exception {
Set set = arraySet;
// #end::data_structures_10[];
}
public void data_structures_11() throws Exception {
arraySet.contains("value");
// #end::data_structures_11[];
}
public void data_structures_12() throws Exception {
arraySet.remove("some_value");
// #end::data_structures_12[];
}
public void data_structures_13() throws Exception {
queue.add("job123");
// #end::data_structures_13[];
}
public void data_structures_14() throws Exception {
Object item = queue.poll(); //=> "job123"
// #end::data_structures_14[];
}
public void data_structures_15() throws Exception {
int len = arrayList.size(); //=> 42
// #end::data_structures_15[];
}
public void data_structures_16() throws Exception {
Map<String, String> favorites = new CouchbaseMap<String>("mapDocId", collection, String.class, MapOptions.mapOptions());
favorites.put("color", "Blue");
favorites.put("flavor", "Chocolate");
System.out.println(favorites); //=> {flavor=Chocolate, color=Blue}
// What does the JSON document look like?
System.out.println(collection.get("mapDocId").contentAsObject());
//=> {"flavor":"Chocolate","color":"Blue"}
// #end::data_structures_16[];
}
public void data_structures_17() throws Exception {
List<String> names = new CouchbaseArrayList<String>("listDocId", collection, String.class, ArrayListOptions.arrayListOptions());
names.add("Alice");
names.add("Bob");
names.add("Alice");
System.out.println(names); //=> [Alice, Bob, Alice]
// What does the JSON document look like?
System.out.println(collection.get("listDocId").contentAsArray());
//=> ["Alice","Bob","Alice"]
// #end::data_structures_17[];
}
public void data_structures_18() throws Exception {
Set<String> uniqueNames = new CouchbaseArraySet<String>("setDocId", collection, String.class, ArraySetOptions.arraySetOptions());
uniqueNames.add("Alice");
uniqueNames.add("Bob");
uniqueNames.add("Alice");
System.out.println(uniqueNames); //=> [Alice, Bob]
// What does the JSON document look like?
System.out.println(collection.get("setDocId").contentAsArray());
//=> ["Alice","Bob"]
// #end::data_structures_18[];
}
public void data_structures_19() throws Exception {
Queue<String> shoppingList = new CouchbaseQueue<String>("queueDocId", collection, String.class, QueueOptions.queueOptions());
shoppingList.add("loaf of bread");
shoppingList.add("container of milk");
shoppingList.add("stick of butter");
// What does the JSON document look like?
System.out.println(collection.get("queueDocId").contentAsArray());
//=> ["stick of butter","container of milk","loaf of bread"]
String item;
while ((item = shoppingList.poll()) != null) {
System.out.println(item);
// => loaf of bread
// => container of milk
// => stick of butter
}
// What does the JSON document look like after draining the queue?
System.out.println(collection.get("queueDocId").contentAsArray());
//=> []
// #end::data_structures_19[];
}
public static void main(String[] args) throws Exception {
DataStructuresExample obj = new DataStructuresExample();
obj.init();
obj.data_structures_1();
obj.data_structures_2();
obj.data_structures_3();
obj.data_structures_4();
obj.data_structures_5();
obj.data_structures_6();
obj.data_structures_7();
obj.data_structures_8();
obj.data_structures_9();
obj.data_structures_10();
obj.data_structures_11();
obj.data_structures_12();
obj.data_structures_13();
obj.data_structures_14();
obj.data_structures_15();
obj.data_structures_16();
obj.data_structures_17();
obj.data_structures_18();
obj.data_structures_19();
System.out.println("Done.");
}
}
|
mapRemove
|
map.remove("some_key");
// #end::data_structures_2[];
}
public void data_structures_3() throws Exception {
map.get("some_key"); //=> value
// #end::data_structures_3[];
}
public void data_structures_4() throws Exception {
arrayList.add(1234);
// #end::data_structures_4[];
}
public void data_structures_5() throws Exception {
arrayList.add(0, "hello world");
// #end::data_structures_5[];
}
public void data_structures_6() throws Exception {
arrayList.remove(1);
// #end::data_structures_6[];
}
public void data_structures_7() throws Exception {
arrayList.set(0, "first value");
// #end::data_structures_7[];
}
public void data_structures_8() throws Exception {
arrayList.get(0);
// #end::data_structures_8[];
}
public void data_structures_9() throws Exception {
arraySet.add("some_value");
// #end::data_structures_9[];
}
public void data_structures_10() throws Exception {
Set set = arraySet;
// #end::data_structures_10[];
}
public void data_structures_11() throws Exception {
arraySet.contains("value");
// #end::data_structures_11[];
}
public void data_structures_12() throws Exception {
arraySet.remove("some_value");
// #end::data_structures_12[];
}
public void data_structures_13() throws Exception {
queue.add("job123");
// #end::data_structures_13[];
}
public void data_structures_14() throws Exception {
Object item = queue.poll(); //=> "job123"
// #end::data_structures_14[];
}
public void data_structures_15() throws Exception {
int len = arrayList.size(); //=> 42
// #end::data_structures_15[];
}
public void data_structures_16() throws Exception {
Map<String, String> favorites = new CouchbaseMap<String>("mapDocId", collection, String.class, MapOptions.mapOptions());
favorites.put("color", "Blue");
favorites.put("flavor", "Chocolate");
System.out.println(favorites); //=> {flavor=Chocolate, color=Blue}
// What does the JSON document look like?
System.out.println(collection.get("mapDocId").contentAsObject());
//=> {"flavor":"Chocolate","color":"Blue"}
// #end::data_structures_16[];
}
public void data_structures_17() throws Exception {
List<String> names = new CouchbaseArrayList<String>("listDocId", collection, String.class, ArrayListOptions.arrayListOptions());
names.add("Alice");
names.add("Bob");
names.add("Alice");
System.out.println(names); //=> [Alice, Bob, Alice]
// What does the JSON document look like?
System.out.println(collection.get("listDocId").contentAsArray());
//=> ["Alice","Bob","Alice"]
// #end::data_structures_17[];
}
public void data_structures_18() throws Exception {
Set<String> uniqueNames = new CouchbaseArraySet<String>("setDocId", collection, String.class, ArraySetOptions.arraySetOptions());
uniqueNames.add("Alice");
uniqueNames.add("Bob");
uniqueNames.add("Alice");
System.out.println(uniqueNames); //=> [Alice, Bob]
// What does the JSON document look like?
System.out.println(collection.get("setDocId").contentAsArray());
//=> ["Alice","Bob"]
// #end::data_structures_18[];
}
public void data_structures_19() throws Exception {
Queue<String> shoppingList = new CouchbaseQueue<String>("queueDocId", collection, String.class, QueueOptions.queueOptions());
shoppingList.add("loaf of bread");
shoppingList.add("container of milk");
shoppingList.add("stick of butter");
// What does the JSON document look like?
System.out.println(collection.get("queueDocId").contentAsArray());
//=> ["stick of butter","container of milk","loaf of bread"]
String item;
while ((item = shoppingList.poll()) != null) {
System.out.println(item);
// => loaf of bread
// => container of milk
// => stick of butter
}
// What does the JSON document look like after draining the queue?
System.out.println(collection.get("queueDocId").contentAsArray());
//=> []
// #end::data_structures_19[];
}
public static void main(String[] args) throws Exception {
DataStructuresExample obj = new DataStructuresExample();
obj.init();
obj.data_structures_1();
obj.data_structures_2();
obj.data_structures_3();
obj.data_structures_4();
obj.data_structures_5();
obj.data_structures_6();
obj.data_structures_7();
obj.data_structures_8();
obj.data_structures_9();
obj.data_structures_10();
obj.data_structures_11();
obj.data_structures_12();
obj.data_structures_13();
obj.data_structures_14();
obj.data_structures_15();
obj.data_structures_16();
obj.data_structures_17();
obj.data_structures_18();
obj.data_structures_19();
System.out.println("Done.");
}
}
|
mapGet
|
map.get("some_key"); //=> value
// #end::data_structures_3[];
}
public void data_structures_4() throws Exception {
arrayList.add(1234);
// #end::data_structures_4[];
}
public void data_structures_5() throws Exception {
arrayList.add(0, "hello world");
// #end::data_structures_5[];
}
public void data_structures_6() throws Exception {
arrayList.remove(1);
// #end::data_structures_6[];
}
public void data_structures_7() throws Exception {
arrayList.set(0, "first value");
// #end::data_structures_7[];
}
public void data_structures_8() throws Exception {
arrayList.get(0);
// #end::data_structures_8[];
}
public void data_structures_9() throws Exception {
arraySet.add("some_value");
// #end::data_structures_9[];
}
public void data_structures_10() throws Exception {
Set set = arraySet;
// #end::data_structures_10[];
}
public void data_structures_11() throws Exception {
arraySet.contains("value");
// #end::data_structures_11[];
}
public void data_structures_12() throws Exception {
arraySet.remove("some_value");
// #end::data_structures_12[];
}
public void data_structures_13() throws Exception {
queue.add("job123");
// #end::data_structures_13[];
}
public void data_structures_14() throws Exception {
Object item = queue.poll(); //=> "job123"
// #end::data_structures_14[];
}
public void data_structures_15() throws Exception {
int len = arrayList.size(); //=> 42
// #end::data_structures_15[];
}
public void data_structures_16() throws Exception {
Map<String, String> favorites = new CouchbaseMap<String>("mapDocId", collection, String.class, MapOptions.mapOptions());
favorites.put("color", "Blue");
favorites.put("flavor", "Chocolate");
System.out.println(favorites); //=> {flavor=Chocolate, color=Blue}
// What does the JSON document look like?
System.out.println(collection.get("mapDocId").contentAsObject());
//=> {"flavor":"Chocolate","color":"Blue"}
// #end::data_structures_16[];
}
public void data_structures_17() throws Exception {
List<String> names = new CouchbaseArrayList<String>("listDocId", collection, String.class, ArrayListOptions.arrayListOptions());
names.add("Alice");
names.add("Bob");
names.add("Alice");
System.out.println(names); //=> [Alice, Bob, Alice]
// What does the JSON document look like?
System.out.println(collection.get("listDocId").contentAsArray());
//=> ["Alice","Bob","Alice"]
// #end::data_structures_17[];
}
public void data_structures_18() throws Exception {
Set<String> uniqueNames = new CouchbaseArraySet<String>("setDocId", collection, String.class, ArraySetOptions.arraySetOptions());
uniqueNames.add("Alice");
uniqueNames.add("Bob");
uniqueNames.add("Alice");
System.out.println(uniqueNames); //=> [Alice, Bob]
// What does the JSON document look like?
System.out.println(collection.get("setDocId").contentAsArray());
//=> ["Alice","Bob"]
// #end::data_structures_18[];
}
public void data_structures_19() throws Exception {
Queue<String> shoppingList = new CouchbaseQueue<String>("queueDocId", collection, String.class, QueueOptions.queueOptions());
shoppingList.add("loaf of bread");
shoppingList.add("container of milk");
shoppingList.add("stick of butter");
// What does the JSON document look like?
System.out.println(collection.get("queueDocId").contentAsArray());
//=> ["stick of butter","container of milk","loaf of bread"]
String item;
while ((item = shoppingList.poll()) != null) {
System.out.println(item);
// => loaf of bread
// => container of milk
// => stick of butter
}
// What does the JSON document look like after draining the queue?
System.out.println(collection.get("queueDocId").contentAsArray());
//=> []
// #end::data_structures_19[];
}
public static void main(String[] args) throws Exception {
DataStructuresExample obj = new DataStructuresExample();
obj.init();
obj.data_structures_1();
obj.data_structures_2();
obj.data_structures_3();
obj.data_structures_4();
obj.data_structures_5();
obj.data_structures_6();
obj.data_structures_7();
obj.data_structures_8();
obj.data_structures_9();
obj.data_structures_10();
obj.data_structures_11();
obj.data_structures_12();
obj.data_structures_13();
obj.data_structures_14();
obj.data_structures_15();
obj.data_structures_16();
obj.data_structures_17();
obj.data_structures_18();
obj.data_structures_19();
System.out.println("Done.");
}
}
If the key is not found, a PathNotFoundException is raised.
|
listAppend
|
Add an item to the end of a list.
arrayList.add(1234);
// #end::data_structures_4[];
}
public void data_structures_5() throws Exception {
arrayList.add(0, "hello world");
// #end::data_structures_5[];
}
public void data_structures_6() throws Exception {
arrayList.remove(1);
// #end::data_structures_6[];
}
public void data_structures_7() throws Exception {
arrayList.set(0, "first value");
// #end::data_structures_7[];
}
public void data_structures_8() throws Exception {
arrayList.get(0);
// #end::data_structures_8[];
}
public void data_structures_9() throws Exception {
arraySet.add("some_value");
// #end::data_structures_9[];
}
public void data_structures_10() throws Exception {
Set set = arraySet;
// #end::data_structures_10[];
}
public void data_structures_11() throws Exception {
arraySet.contains("value");
// #end::data_structures_11[];
}
public void data_structures_12() throws Exception {
arraySet.remove("some_value");
// #end::data_structures_12[];
}
public void data_structures_13() throws Exception {
queue.add("job123");
// #end::data_structures_13[];
}
public void data_structures_14() throws Exception {
Object item = queue.poll(); //=> "job123"
// #end::data_structures_14[];
}
public void data_structures_15() throws Exception {
int len = arrayList.size(); //=> 42
// #end::data_structures_15[];
}
public void data_structures_16() throws Exception {
Map<String, String> favorites = new CouchbaseMap<String>("mapDocId", collection, String.class, MapOptions.mapOptions());
favorites.put("color", "Blue");
favorites.put("flavor", "Chocolate");
System.out.println(favorites); //=> {flavor=Chocolate, color=Blue}
// What does the JSON document look like?
System.out.println(collection.get("mapDocId").contentAsObject());
//=> {"flavor":"Chocolate","color":"Blue"}
// #end::data_structures_16[];
}
public void data_structures_17() throws Exception {
List<String> names = new CouchbaseArrayList<String>("listDocId", collection, String.class, ArrayListOptions.arrayListOptions());
names.add("Alice");
names.add("Bob");
names.add("Alice");
System.out.println(names); //=> [Alice, Bob, Alice]
// What does the JSON document look like?
System.out.println(collection.get("listDocId").contentAsArray());
//=> ["Alice","Bob","Alice"]
// #end::data_structures_17[];
}
public void data_structures_18() throws Exception {
Set<String> uniqueNames = new CouchbaseArraySet<String>("setDocId", collection, String.class, ArraySetOptions.arraySetOptions());
uniqueNames.add("Alice");
uniqueNames.add("Bob");
uniqueNames.add("Alice");
System.out.println(uniqueNames); //=> [Alice, Bob]
// What does the JSON document look like?
System.out.println(collection.get("setDocId").contentAsArray());
//=> ["Alice","Bob"]
// #end::data_structures_18[];
}
public void data_structures_19() throws Exception {
Queue<String> shoppingList = new CouchbaseQueue<String>("queueDocId", collection, String.class, QueueOptions.queueOptions());
shoppingList.add("loaf of bread");
shoppingList.add("container of milk");
shoppingList.add("stick of butter");
// What does the JSON document look like?
System.out.println(collection.get("queueDocId").contentAsArray());
//=> ["stick of butter","container of milk","loaf of bread"]
String item;
while ((item = shoppingList.poll()) != null) {
System.out.println(item);
// => loaf of bread
// => container of milk
// => stick of butter
}
// What does the JSON document look like after draining the queue?
System.out.println(collection.get("queueDocId").contentAsArray());
//=> []
// #end::data_structures_19[];
}
public static void main(String[] args) throws Exception {
DataStructuresExample obj = new DataStructuresExample();
obj.init();
obj.data_structures_1();
obj.data_structures_2();
obj.data_structures_3();
obj.data_structures_4();
obj.data_structures_5();
obj.data_structures_6();
obj.data_structures_7();
obj.data_structures_8();
obj.data_structures_9();
obj.data_structures_10();
obj.data_structures_11();
obj.data_structures_12();
obj.data_structures_13();
obj.data_structures_14();
obj.data_structures_15();
obj.data_structures_16();
obj.data_structures_17();
obj.data_structures_18();
obj.data_structures_19();
System.out.println("Done.");
}
}
|
listPrepend
|
Add an item to the beginning of a list.
arrayList.add(0, "hello world");
// #end::data_structures_5[];
}
public void data_structures_6() throws Exception {
arrayList.remove(1);
// #end::data_structures_6[];
}
public void data_structures_7() throws Exception {
arrayList.set(0, "first value");
// #end::data_structures_7[];
}
public void data_structures_8() throws Exception {
arrayList.get(0);
// #end::data_structures_8[];
}
public void data_structures_9() throws Exception {
arraySet.add("some_value");
// #end::data_structures_9[];
}
public void data_structures_10() throws Exception {
Set set = arraySet;
// #end::data_structures_10[];
}
public void data_structures_11() throws Exception {
arraySet.contains("value");
// #end::data_structures_11[];
}
public void data_structures_12() throws Exception {
arraySet.remove("some_value");
// #end::data_structures_12[];
}
public void data_structures_13() throws Exception {
queue.add("job123");
// #end::data_structures_13[];
}
public void data_structures_14() throws Exception {
Object item = queue.poll(); //=> "job123"
// #end::data_structures_14[];
}
public void data_structures_15() throws Exception {
int len = arrayList.size(); //=> 42
// #end::data_structures_15[];
}
public void data_structures_16() throws Exception {
Map<String, String> favorites = new CouchbaseMap<String>("mapDocId", collection, String.class, MapOptions.mapOptions());
favorites.put("color", "Blue");
favorites.put("flavor", "Chocolate");
System.out.println(favorites); //=> {flavor=Chocolate, color=Blue}
// What does the JSON document look like?
System.out.println(collection.get("mapDocId").contentAsObject());
//=> {"flavor":"Chocolate","color":"Blue"}
// #end::data_structures_16[];
}
public void data_structures_17() throws Exception {
List<String> names = new CouchbaseArrayList<String>("listDocId", collection, String.class, ArrayListOptions.arrayListOptions());
names.add("Alice");
names.add("Bob");
names.add("Alice");
System.out.println(names); //=> [Alice, Bob, Alice]
// What does the JSON document look like?
System.out.println(collection.get("listDocId").contentAsArray());
//=> ["Alice","Bob","Alice"]
// #end::data_structures_17[];
}
public void data_structures_18() throws Exception {
Set<String> uniqueNames = new CouchbaseArraySet<String>("setDocId", collection, String.class, ArraySetOptions.arraySetOptions());
uniqueNames.add("Alice");
uniqueNames.add("Bob");
uniqueNames.add("Alice");
System.out.println(uniqueNames); //=> [Alice, Bob]
// What does the JSON document look like?
System.out.println(collection.get("setDocId").contentAsArray());
//=> ["Alice","Bob"]
// #end::data_structures_18[];
}
public void data_structures_19() throws Exception {
Queue<String> shoppingList = new CouchbaseQueue<String>("queueDocId", collection, String.class, QueueOptions.queueOptions());
shoppingList.add("loaf of bread");
shoppingList.add("container of milk");
shoppingList.add("stick of butter");
// What does the JSON document look like?
System.out.println(collection.get("queueDocId").contentAsArray());
//=> ["stick of butter","container of milk","loaf of bread"]
String item;
while ((item = shoppingList.poll()) != null) {
System.out.println(item);
// => loaf of bread
// => container of milk
// => stick of butter
}
// What does the JSON document look like after draining the queue?
System.out.println(collection.get("queueDocId").contentAsArray());
//=> []
// #end::data_structures_19[];
}
public static void main(String[] args) throws Exception {
DataStructuresExample obj = new DataStructuresExample();
obj.init();
obj.data_structures_1();
obj.data_structures_2();
obj.data_structures_3();
obj.data_structures_4();
obj.data_structures_5();
obj.data_structures_6();
obj.data_structures_7();
obj.data_structures_8();
obj.data_structures_9();
obj.data_structures_10();
obj.data_structures_11();
obj.data_structures_12();
obj.data_structures_13();
obj.data_structures_14();
obj.data_structures_15();
obj.data_structures_16();
obj.data_structures_17();
obj.data_structures_18();
obj.data_structures_19();
System.out.println("Done.");
}
}
|
listRemove
|
Remove a value from a list.
arrayList.remove(1);
// #end::data_structures_6[];
}
public void data_structures_7() throws Exception {
arrayList.set(0, "first value");
// #end::data_structures_7[];
}
public void data_structures_8() throws Exception {
arrayList.get(0);
// #end::data_structures_8[];
}
public void data_structures_9() throws Exception {
arraySet.add("some_value");
// #end::data_structures_9[];
}
public void data_structures_10() throws Exception {
Set set = arraySet;
// #end::data_structures_10[];
}
public void data_structures_11() throws Exception {
arraySet.contains("value");
// #end::data_structures_11[];
}
public void data_structures_12() throws Exception {
arraySet.remove("some_value");
// #end::data_structures_12[];
}
public void data_structures_13() throws Exception {
queue.add("job123");
// #end::data_structures_13[];
}
public void data_structures_14() throws Exception {
Object item = queue.poll(); //=> "job123"
// #end::data_structures_14[];
}
public void data_structures_15() throws Exception {
int len = arrayList.size(); //=> 42
// #end::data_structures_15[];
}
public void data_structures_16() throws Exception {
Map<String, String> favorites = new CouchbaseMap<String>("mapDocId", collection, String.class, MapOptions.mapOptions());
favorites.put("color", "Blue");
favorites.put("flavor", "Chocolate");
System.out.println(favorites); //=> {flavor=Chocolate, color=Blue}
// What does the JSON document look like?
System.out.println(collection.get("mapDocId").contentAsObject());
//=> {"flavor":"Chocolate","color":"Blue"}
// #end::data_structures_16[];
}
public void data_structures_17() throws Exception {
List<String> names = new CouchbaseArrayList<String>("listDocId", collection, String.class, ArrayListOptions.arrayListOptions());
names.add("Alice");
names.add("Bob");
names.add("Alice");
System.out.println(names); //=> [Alice, Bob, Alice]
// What does the JSON document look like?
System.out.println(collection.get("listDocId").contentAsArray());
//=> ["Alice","Bob","Alice"]
// #end::data_structures_17[];
}
public void data_structures_18() throws Exception {
Set<String> uniqueNames = new CouchbaseArraySet<String>("setDocId", collection, String.class, ArraySetOptions.arraySetOptions());
uniqueNames.add("Alice");
uniqueNames.add("Bob");
uniqueNames.add("Alice");
System.out.println(uniqueNames); //=> [Alice, Bob]
// What does the JSON document look like?
System.out.println(collection.get("setDocId").contentAsArray());
//=> ["Alice","Bob"]
// #end::data_structures_18[];
}
public void data_structures_19() throws Exception {
Queue<String> shoppingList = new CouchbaseQueue<String>("queueDocId", collection, String.class, QueueOptions.queueOptions());
shoppingList.add("loaf of bread");
shoppingList.add("container of milk");
shoppingList.add("stick of butter");
// What does the JSON document look like?
System.out.println(collection.get("queueDocId").contentAsArray());
//=> ["stick of butter","container of milk","loaf of bread"]
String item;
while ((item = shoppingList.poll()) != null) {
System.out.println(item);
// => loaf of bread
// => container of milk
// => stick of butter
}
// What does the JSON document look like after draining the queue?
System.out.println(collection.get("queueDocId").contentAsArray());
//=> []
// #end::data_structures_19[];
}
public static void main(String[] args) throws Exception {
DataStructuresExample obj = new DataStructuresExample();
obj.init();
obj.data_structures_1();
obj.data_structures_2();
obj.data_structures_3();
obj.data_structures_4();
obj.data_structures_5();
obj.data_structures_6();
obj.data_structures_7();
obj.data_structures_8();
obj.data_structures_9();
obj.data_structures_10();
obj.data_structures_11();
obj.data_structures_12();
obj.data_structures_13();
obj.data_structures_14();
obj.data_structures_15();
obj.data_structures_16();
obj.data_structures_17();
obj.data_structures_18();
obj.data_structures_19();
System.out.println("Done.");
}
}
|
listSet
|
Set an element at a specific index in the list.
arrayList.set(0, "first value");
// #end::data_structures_7[];
}
public void data_structures_8() throws Exception {
arrayList.get(0);
// #end::data_structures_8[];
}
public void data_structures_9() throws Exception {
arraySet.add("some_value");
// #end::data_structures_9[];
}
public void data_structures_10() throws Exception {
Set set = arraySet;
// #end::data_structures_10[];
}
public void data_structures_11() throws Exception {
arraySet.contains("value");
// #end::data_structures_11[];
}
public void data_structures_12() throws Exception {
arraySet.remove("some_value");
// #end::data_structures_12[];
}
public void data_structures_13() throws Exception {
queue.add("job123");
// #end::data_structures_13[];
}
public void data_structures_14() throws Exception {
Object item = queue.poll(); //=> "job123"
// #end::data_structures_14[];
}
public void data_structures_15() throws Exception {
int len = arrayList.size(); //=> 42
// #end::data_structures_15[];
}
public void data_structures_16() throws Exception {
Map<String, String> favorites = new CouchbaseMap<String>("mapDocId", collection, String.class, MapOptions.mapOptions());
favorites.put("color", "Blue");
favorites.put("flavor", "Chocolate");
System.out.println(favorites); //=> {flavor=Chocolate, color=Blue}
// What does the JSON document look like?
System.out.println(collection.get("mapDocId").contentAsObject());
//=> {"flavor":"Chocolate","color":"Blue"}
// #end::data_structures_16[];
}
public void data_structures_17() throws Exception {
List<String> names = new CouchbaseArrayList<String>("listDocId", collection, String.class, ArrayListOptions.arrayListOptions());
names.add("Alice");
names.add("Bob");
names.add("Alice");
System.out.println(names); //=> [Alice, Bob, Alice]
// What does the JSON document look like?
System.out.println(collection.get("listDocId").contentAsArray());
//=> ["Alice","Bob","Alice"]
// #end::data_structures_17[];
}
public void data_structures_18() throws Exception {
Set<String> uniqueNames = new CouchbaseArraySet<String>("setDocId", collection, String.class, ArraySetOptions.arraySetOptions());
uniqueNames.add("Alice");
uniqueNames.add("Bob");
uniqueNames.add("Alice");
System.out.println(uniqueNames); //=> [Alice, Bob]
// What does the JSON document look like?
System.out.println(collection.get("setDocId").contentAsArray());
//=> ["Alice","Bob"]
// #end::data_structures_18[];
}
public void data_structures_19() throws Exception {
Queue<String> shoppingList = new CouchbaseQueue<String>("queueDocId", collection, String.class, QueueOptions.queueOptions());
shoppingList.add("loaf of bread");
shoppingList.add("container of milk");
shoppingList.add("stick of butter");
// What does the JSON document look like?
System.out.println(collection.get("queueDocId").contentAsArray());
//=> ["stick of butter","container of milk","loaf of bread"]
String item;
while ((item = shoppingList.poll()) != null) {
System.out.println(item);
// => loaf of bread
// => container of milk
// => stick of butter
}
// What does the JSON document look like after draining the queue?
System.out.println(collection.get("queueDocId").contentAsArray());
//=> []
// #end::data_structures_19[];
}
public static void main(String[] args) throws Exception {
DataStructuresExample obj = new DataStructuresExample();
obj.init();
obj.data_structures_1();
obj.data_structures_2();
obj.data_structures_3();
obj.data_structures_4();
obj.data_structures_5();
obj.data_structures_6();
obj.data_structures_7();
obj.data_structures_8();
obj.data_structures_9();
obj.data_structures_10();
obj.data_structures_11();
obj.data_structures_12();
obj.data_structures_13();
obj.data_structures_14();
obj.data_structures_15();
obj.data_structures_16();
obj.data_structures_17();
obj.data_structures_18();
obj.data_structures_19();
System.out.println("Done.");
}
}
|
listGet
|
Get an item from a list by its index.
arrayList.get(0);
// #end::data_structures_8[];
}
public void data_structures_9() throws Exception {
arraySet.add("some_value");
// #end::data_structures_9[];
}
public void data_structures_10() throws Exception {
Set set = arraySet;
// #end::data_structures_10[];
}
public void data_structures_11() throws Exception {
arraySet.contains("value");
// #end::data_structures_11[];
}
public void data_structures_12() throws Exception {
arraySet.remove("some_value");
// #end::data_structures_12[];
}
public void data_structures_13() throws Exception {
queue.add("job123");
// #end::data_structures_13[];
}
public void data_structures_14() throws Exception {
Object item = queue.poll(); //=> "job123"
// #end::data_structures_14[];
}
public void data_structures_15() throws Exception {
int len = arrayList.size(); //=> 42
// #end::data_structures_15[];
}
public void data_structures_16() throws Exception {
Map<String, String> favorites = new CouchbaseMap<String>("mapDocId", collection, String.class, MapOptions.mapOptions());
favorites.put("color", "Blue");
favorites.put("flavor", "Chocolate");
System.out.println(favorites); //=> {flavor=Chocolate, color=Blue}
// What does the JSON document look like?
System.out.println(collection.get("mapDocId").contentAsObject());
//=> {"flavor":"Chocolate","color":"Blue"}
// #end::data_structures_16[];
}
public void data_structures_17() throws Exception {
List<String> names = new CouchbaseArrayList<String>("listDocId", collection, String.class, ArrayListOptions.arrayListOptions());
names.add("Alice");
names.add("Bob");
names.add("Alice");
System.out.println(names); //=> [Alice, Bob, Alice]
// What does the JSON document look like?
System.out.println(collection.get("listDocId").contentAsArray());
//=> ["Alice","Bob","Alice"]
// #end::data_structures_17[];
}
public void data_structures_18() throws Exception {
Set<String> uniqueNames = new CouchbaseArraySet<String>("setDocId", collection, String.class, ArraySetOptions.arraySetOptions());
uniqueNames.add("Alice");
uniqueNames.add("Bob");
uniqueNames.add("Alice");
System.out.println(uniqueNames); //=> [Alice, Bob]
// What does the JSON document look like?
System.out.println(collection.get("setDocId").contentAsArray());
//=> ["Alice","Bob"]
// #end::data_structures_18[];
}
public void data_structures_19() throws Exception {
Queue<String> shoppingList = new CouchbaseQueue<String>("queueDocId", collection, String.class, QueueOptions.queueOptions());
shoppingList.add("loaf of bread");
shoppingList.add("container of milk");
shoppingList.add("stick of butter");
// What does the JSON document look like?
System.out.println(collection.get("queueDocId").contentAsArray());
//=> ["stick of butter","container of milk","loaf of bread"]
String item;
while ((item = shoppingList.poll()) != null) {
System.out.println(item);
// => loaf of bread
// => container of milk
// => stick of butter
}
// What does the JSON document look like after draining the queue?
System.out.println(collection.get("queueDocId").contentAsArray());
//=> []
// #end::data_structures_19[];
}
public static void main(String[] args) throws Exception {
DataStructuresExample obj = new DataStructuresExample();
obj.init();
obj.data_structures_1();
obj.data_structures_2();
obj.data_structures_3();
obj.data_structures_4();
obj.data_structures_5();
obj.data_structures_6();
obj.data_structures_7();
obj.data_structures_8();
obj.data_structures_9();
obj.data_structures_10();
obj.data_structures_11();
obj.data_structures_12();
obj.data_structures_13();
obj.data_structures_14();
obj.data_structures_15();
obj.data_structures_16();
obj.data_structures_17();
obj.data_structures_18();
obj.data_structures_19();
System.out.println("Done.");
}
}
If the index is out of range, a PathNotFoundException will be thrown.
Note that you can get the last array element by specifying -1 as the index.
|
setAdd
|
Add an item to a set, if the item does not yet exist in the set.
arraySet.add("some_value");
// #end::data_structures_9[];
}
public void data_structures_10() throws Exception {
Set set = arraySet;
// #end::data_structures_10[];
}
public void data_structures_11() throws Exception {
arraySet.contains("value");
// #end::data_structures_11[];
}
public void data_structures_12() throws Exception {
arraySet.remove("some_value");
// #end::data_structures_12[];
}
public void data_structures_13() throws Exception {
queue.add("job123");
// #end::data_structures_13[];
}
public void data_structures_14() throws Exception {
Object item = queue.poll(); //=> "job123"
// #end::data_structures_14[];
}
public void data_structures_15() throws Exception {
int len = arrayList.size(); //=> 42
// #end::data_structures_15[];
}
public void data_structures_16() throws Exception {
Map<String, String> favorites = new CouchbaseMap<String>("mapDocId", collection, String.class, MapOptions.mapOptions());
favorites.put("color", "Blue");
favorites.put("flavor", "Chocolate");
System.out.println(favorites); //=> {flavor=Chocolate, color=Blue}
// What does the JSON document look like?
System.out.println(collection.get("mapDocId").contentAsObject());
//=> {"flavor":"Chocolate","color":"Blue"}
// #end::data_structures_16[];
}
public void data_structures_17() throws Exception {
List<String> names = new CouchbaseArrayList<String>("listDocId", collection, String.class, ArrayListOptions.arrayListOptions());
names.add("Alice");
names.add("Bob");
names.add("Alice");
System.out.println(names); //=> [Alice, Bob, Alice]
// What does the JSON document look like?
System.out.println(collection.get("listDocId").contentAsArray());
//=> ["Alice","Bob","Alice"]
// #end::data_structures_17[];
}
public void data_structures_18() throws Exception {
Set<String> uniqueNames = new CouchbaseArraySet<String>("setDocId", collection, String.class, ArraySetOptions.arraySetOptions());
uniqueNames.add("Alice");
uniqueNames.add("Bob");
uniqueNames.add("Alice");
System.out.println(uniqueNames); //=> [Alice, Bob]
// What does the JSON document look like?
System.out.println(collection.get("setDocId").contentAsArray());
//=> ["Alice","Bob"]
// #end::data_structures_18[];
}
public void data_structures_19() throws Exception {
Queue<String> shoppingList = new CouchbaseQueue<String>("queueDocId", collection, String.class, QueueOptions.queueOptions());
shoppingList.add("loaf of bread");
shoppingList.add("container of milk");
shoppingList.add("stick of butter");
// What does the JSON document look like?
System.out.println(collection.get("queueDocId").contentAsArray());
//=> ["stick of butter","container of milk","loaf of bread"]
String item;
while ((item = shoppingList.poll()) != null) {
System.out.println(item);
// => loaf of bread
// => container of milk
// => stick of butter
}
// What does the JSON document look like after draining the queue?
System.out.println(collection.get("queueDocId").contentAsArray());
//=> []
// #end::data_structures_19[];
}
public static void main(String[] args) throws Exception {
DataStructuresExample obj = new DataStructuresExample();
obj.init();
obj.data_structures_1();
obj.data_structures_2();
obj.data_structures_3();
obj.data_structures_4();
obj.data_structures_5();
obj.data_structures_6();
obj.data_structures_7();
obj.data_structures_8();
obj.data_structures_9();
obj.data_structures_10();
obj.data_structures_11();
obj.data_structures_12();
obj.data_structures_13();
obj.data_structures_14();
obj.data_structures_15();
obj.data_structures_16();
obj.data_structures_17();
obj.data_structures_18();
obj.data_structures_19();
System.out.println("Done.");
}
}
Note that a set is just a list.
You can retrieve the entire set by simply using a full-document get operation:
Set set = arraySet;
// #end::data_structures_10[];
}
public void data_structures_11() throws Exception {
arraySet.contains("value");
// #end::data_structures_11[];
}
public void data_structures_12() throws Exception {
arraySet.remove("some_value");
// #end::data_structures_12[];
}
public void data_structures_13() throws Exception {
queue.add("job123");
// #end::data_structures_13[];
}
public void data_structures_14() throws Exception {
Object item = queue.poll(); //=> "job123"
// #end::data_structures_14[];
}
public void data_structures_15() throws Exception {
int len = arrayList.size(); //=> 42
// #end::data_structures_15[];
}
public void data_structures_16() throws Exception {
Map<String, String> favorites = new CouchbaseMap<String>("mapDocId", collection, String.class, MapOptions.mapOptions());
favorites.put("color", "Blue");
favorites.put("flavor", "Chocolate");
System.out.println(favorites); //=> {flavor=Chocolate, color=Blue}
// What does the JSON document look like?
System.out.println(collection.get("mapDocId").contentAsObject());
//=> {"flavor":"Chocolate","color":"Blue"}
// #end::data_structures_16[];
}
public void data_structures_17() throws Exception {
List<String> names = new CouchbaseArrayList<String>("listDocId", collection, String.class, ArrayListOptions.arrayListOptions());
names.add("Alice");
names.add("Bob");
names.add("Alice");
System.out.println(names); //=> [Alice, Bob, Alice]
// What does the JSON document look like?
System.out.println(collection.get("listDocId").contentAsArray());
//=> ["Alice","Bob","Alice"]
// #end::data_structures_17[];
}
public void data_structures_18() throws Exception {
Set<String> uniqueNames = new CouchbaseArraySet<String>("setDocId", collection, String.class, ArraySetOptions.arraySetOptions());
uniqueNames.add("Alice");
uniqueNames.add("Bob");
uniqueNames.add("Alice");
System.out.println(uniqueNames); //=> [Alice, Bob]
// What does the JSON document look like?
System.out.println(collection.get("setDocId").contentAsArray());
//=> ["Alice","Bob"]
// #end::data_structures_18[];
}
public void data_structures_19() throws Exception {
Queue<String> shoppingList = new CouchbaseQueue<String>("queueDocId", collection, String.class, QueueOptions.queueOptions());
shoppingList.add("loaf of bread");
shoppingList.add("container of milk");
shoppingList.add("stick of butter");
// What does the JSON document look like?
System.out.println(collection.get("queueDocId").contentAsArray());
//=> ["stick of butter","container of milk","loaf of bread"]
String item;
while ((item = shoppingList.poll()) != null) {
System.out.println(item);
// => loaf of bread
// => container of milk
// => stick of butter
}
// What does the JSON document look like after draining the queue?
System.out.println(collection.get("queueDocId").contentAsArray());
//=> []
// #end::data_structures_19[];
}
public static void main(String[] args) throws Exception {
DataStructuresExample obj = new DataStructuresExample();
obj.init();
obj.data_structures_1();
obj.data_structures_2();
obj.data_structures_3();
obj.data_structures_4();
obj.data_structures_5();
obj.data_structures_6();
obj.data_structures_7();
obj.data_structures_8();
obj.data_structures_9();
obj.data_structures_10();
obj.data_structures_11();
obj.data_structures_12();
obj.data_structures_13();
obj.data_structures_14();
obj.data_structures_15();
obj.data_structures_16();
obj.data_structures_17();
obj.data_structures_18();
obj.data_structures_19();
System.out.println("Done.");
}
}
|
Currently, you can only store primitive values in sets, such as strings, ints, and booleans.
|
|
setContains
|
Check if a value exists in the set.
arraySet.contains("value");
// #end::data_structures_11[];
}
public void data_structures_12() throws Exception {
arraySet.remove("some_value");
// #end::data_structures_12[];
}
public void data_structures_13() throws Exception {
queue.add("job123");
// #end::data_structures_13[];
}
public void data_structures_14() throws Exception {
Object item = queue.poll(); //=> "job123"
// #end::data_structures_14[];
}
public void data_structures_15() throws Exception {
int len = arrayList.size(); //=> 42
// #end::data_structures_15[];
}
public void data_structures_16() throws Exception {
Map<String, String> favorites = new CouchbaseMap<String>("mapDocId", collection, String.class, MapOptions.mapOptions());
favorites.put("color", "Blue");
favorites.put("flavor", "Chocolate");
System.out.println(favorites); //=> {flavor=Chocolate, color=Blue}
// What does the JSON document look like?
System.out.println(collection.get("mapDocId").contentAsObject());
//=> {"flavor":"Chocolate","color":"Blue"}
// #end::data_structures_16[];
}
public void data_structures_17() throws Exception {
List<String> names = new CouchbaseArrayList<String>("listDocId", collection, String.class, ArrayListOptions.arrayListOptions());
names.add("Alice");
names.add("Bob");
names.add("Alice");
System.out.println(names); //=> [Alice, Bob, Alice]
// What does the JSON document look like?
System.out.println(collection.get("listDocId").contentAsArray());
//=> ["Alice","Bob","Alice"]
// #end::data_structures_17[];
}
public void data_structures_18() throws Exception {
Set<String> uniqueNames = new CouchbaseArraySet<String>("setDocId", collection, String.class, ArraySetOptions.arraySetOptions());
uniqueNames.add("Alice");
uniqueNames.add("Bob");
uniqueNames.add("Alice");
System.out.println(uniqueNames); //=> [Alice, Bob]
// What does the JSON document look like?
System.out.println(collection.get("setDocId").contentAsArray());
//=> ["Alice","Bob"]
// #end::data_structures_18[];
}
public void data_structures_19() throws Exception {
Queue<String> shoppingList = new CouchbaseQueue<String>("queueDocId", collection, String.class, QueueOptions.queueOptions());
shoppingList.add("loaf of bread");
shoppingList.add("container of milk");
shoppingList.add("stick of butter");
// What does the JSON document look like?
System.out.println(collection.get("queueDocId").contentAsArray());
//=> ["stick of butter","container of milk","loaf of bread"]
String item;
while ((item = shoppingList.poll()) != null) {
System.out.println(item);
// => loaf of bread
// => container of milk
// => stick of butter
}
// What does the JSON document look like after draining the queue?
System.out.println(collection.get("queueDocId").contentAsArray());
//=> []
// #end::data_structures_19[];
}
public static void main(String[] args) throws Exception {
DataStructuresExample obj = new DataStructuresExample();
obj.init();
obj.data_structures_1();
obj.data_structures_2();
obj.data_structures_3();
obj.data_structures_4();
obj.data_structures_5();
obj.data_structures_6();
obj.data_structures_7();
obj.data_structures_8();
obj.data_structures_9();
obj.data_structures_10();
obj.data_structures_11();
obj.data_structures_12();
obj.data_structures_13();
obj.data_structures_14();
obj.data_structures_15();
obj.data_structures_16();
obj.data_structures_17();
obj.data_structures_18();
obj.data_structures_19();
System.out.println("Done.");
}
}
|
setRemove
|
Remove an item from a set, if it exists.
An exception is not thrown if the item does not exist.
You can determine if an item existed or not by the return value.
If the item did not exist beforehand, null is returned.
arraySet.remove("some_value");
// #end::data_structures_12[];
}
public void data_structures_13() throws Exception {
queue.add("job123");
// #end::data_structures_13[];
}
public void data_structures_14() throws Exception {
Object item = queue.poll(); //=> "job123"
// #end::data_structures_14[];
}
public void data_structures_15() throws Exception {
int len = arrayList.size(); //=> 42
// #end::data_structures_15[];
}
public void data_structures_16() throws Exception {
Map<String, String> favorites = new CouchbaseMap<String>("mapDocId", collection, String.class, MapOptions.mapOptions());
favorites.put("color", "Blue");
favorites.put("flavor", "Chocolate");
System.out.println(favorites); //=> {flavor=Chocolate, color=Blue}
// What does the JSON document look like?
System.out.println(collection.get("mapDocId").contentAsObject());
//=> {"flavor":"Chocolate","color":"Blue"}
// #end::data_structures_16[];
}
public void data_structures_17() throws Exception {
List<String> names = new CouchbaseArrayList<String>("listDocId", collection, String.class, ArrayListOptions.arrayListOptions());
names.add("Alice");
names.add("Bob");
names.add("Alice");
System.out.println(names); //=> [Alice, Bob, Alice]
// What does the JSON document look like?
System.out.println(collection.get("listDocId").contentAsArray());
//=> ["Alice","Bob","Alice"]
// #end::data_structures_17[];
}
public void data_structures_18() throws Exception {
Set<String> uniqueNames = new CouchbaseArraySet<String>("setDocId", collection, String.class, ArraySetOptions.arraySetOptions());
uniqueNames.add("Alice");
uniqueNames.add("Bob");
uniqueNames.add("Alice");
System.out.println(uniqueNames); //=> [Alice, Bob]
// What does the JSON document look like?
System.out.println(collection.get("setDocId").contentAsArray());
//=> ["Alice","Bob"]
// #end::data_structures_18[];
}
public void data_structures_19() throws Exception {
Queue<String> shoppingList = new CouchbaseQueue<String>("queueDocId", collection, String.class, QueueOptions.queueOptions());
shoppingList.add("loaf of bread");
shoppingList.add("container of milk");
shoppingList.add("stick of butter");
// What does the JSON document look like?
System.out.println(collection.get("queueDocId").contentAsArray());
//=> ["stick of butter","container of milk","loaf of bread"]
String item;
while ((item = shoppingList.poll()) != null) {
System.out.println(item);
// => loaf of bread
// => container of milk
// => stick of butter
}
// What does the JSON document look like after draining the queue?
System.out.println(collection.get("queueDocId").contentAsArray());
//=> []
// #end::data_structures_19[];
}
public static void main(String[] args) throws Exception {
DataStructuresExample obj = new DataStructuresExample();
obj.init();
obj.data_structures_1();
obj.data_structures_2();
obj.data_structures_3();
obj.data_structures_4();
obj.data_structures_5();
obj.data_structures_6();
obj.data_structures_7();
obj.data_structures_8();
obj.data_structures_9();
obj.data_structures_10();
obj.data_structures_11();
obj.data_structures_12();
obj.data_structures_13();
obj.data_structures_14();
obj.data_structures_15();
obj.data_structures_16();
obj.data_structures_17();
obj.data_structures_18();
obj.data_structures_19();
System.out.println("Done.");
}
}
|
queuePush
|
Add an item to the beginning of the queue.
queue.add("job123");
// #end::data_structures_13[];
}
public void data_structures_14() throws Exception {
Object item = queue.poll(); //=> "job123"
// #end::data_structures_14[];
}
public void data_structures_15() throws Exception {
int len = arrayList.size(); //=> 42
// #end::data_structures_15[];
}
public void data_structures_16() throws Exception {
Map<String, String> favorites = new CouchbaseMap<String>("mapDocId", collection, String.class, MapOptions.mapOptions());
favorites.put("color", "Blue");
favorites.put("flavor", "Chocolate");
System.out.println(favorites); //=> {flavor=Chocolate, color=Blue}
// What does the JSON document look like?
System.out.println(collection.get("mapDocId").contentAsObject());
//=> {"flavor":"Chocolate","color":"Blue"}
// #end::data_structures_16[];
}
public void data_structures_17() throws Exception {
List<String> names = new CouchbaseArrayList<String>("listDocId", collection, String.class, ArrayListOptions.arrayListOptions());
names.add("Alice");
names.add("Bob");
names.add("Alice");
System.out.println(names); //=> [Alice, Bob, Alice]
// What does the JSON document look like?
System.out.println(collection.get("listDocId").contentAsArray());
//=> ["Alice","Bob","Alice"]
// #end::data_structures_17[];
}
public void data_structures_18() throws Exception {
Set<String> uniqueNames = new CouchbaseArraySet<String>("setDocId", collection, String.class, ArraySetOptions.arraySetOptions());
uniqueNames.add("Alice");
uniqueNames.add("Bob");
uniqueNames.add("Alice");
System.out.println(uniqueNames); //=> [Alice, Bob]
// What does the JSON document look like?
System.out.println(collection.get("setDocId").contentAsArray());
//=> ["Alice","Bob"]
// #end::data_structures_18[];
}
public void data_structures_19() throws Exception {
Queue<String> shoppingList = new CouchbaseQueue<String>("queueDocId", collection, String.class, QueueOptions.queueOptions());
shoppingList.add("loaf of bread");
shoppingList.add("container of milk");
shoppingList.add("stick of butter");
// What does the JSON document look like?
System.out.println(collection.get("queueDocId").contentAsArray());
//=> ["stick of butter","container of milk","loaf of bread"]
String item;
while ((item = shoppingList.poll()) != null) {
System.out.println(item);
// => loaf of bread
// => container of milk
// => stick of butter
}
// What does the JSON document look like after draining the queue?
System.out.println(collection.get("queueDocId").contentAsArray());
//=> []
// #end::data_structures_19[];
}
public static void main(String[] args) throws Exception {
DataStructuresExample obj = new DataStructuresExample();
obj.init();
obj.data_structures_1();
obj.data_structures_2();
obj.data_structures_3();
obj.data_structures_4();
obj.data_structures_5();
obj.data_structures_6();
obj.data_structures_7();
obj.data_structures_8();
obj.data_structures_9();
obj.data_structures_10();
obj.data_structures_11();
obj.data_structures_12();
obj.data_structures_13();
obj.data_structures_14();
obj.data_structures_15();
obj.data_structures_16();
obj.data_structures_17();
obj.data_structures_18();
obj.data_structures_19();
System.out.println("Done.");
}
}
Note that a queue is just a list.
You can retrieve items from the middle of the queue by using listGet
|
queuePop
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Remove an item from the end of the queue and return it.
Object item = queue.poll(); //=> "job123"
// #end::data_structures_14[];
}
public void data_structures_15() throws Exception {
int len = arrayList.size(); //=> 42
// #end::data_structures_15[];
}
public void data_structures_16() throws Exception {
Map<String, String> favorites = new CouchbaseMap<String>("mapDocId", collection, String.class, MapOptions.mapOptions());
favorites.put("color", "Blue");
favorites.put("flavor", "Chocolate");
System.out.println(favorites); //=> {flavor=Chocolate, color=Blue}
// What does the JSON document look like?
System.out.println(collection.get("mapDocId").contentAsObject());
//=> {"flavor":"Chocolate","color":"Blue"}
// #end::data_structures_16[];
}
public void data_structures_17() throws Exception {
List<String> names = new CouchbaseArrayList<String>("listDocId", collection, String.class, ArrayListOptions.arrayListOptions());
names.add("Alice");
names.add("Bob");
names.add("Alice");
System.out.println(names); //=> [Alice, Bob, Alice]
// What does the JSON document look like?
System.out.println(collection.get("listDocId").contentAsArray());
//=> ["Alice","Bob","Alice"]
// #end::data_structures_17[];
}
public void data_structures_18() throws Exception {
Set<String> uniqueNames = new CouchbaseArraySet<String>("setDocId", collection, String.class, ArraySetOptions.arraySetOptions());
uniqueNames.add("Alice");
uniqueNames.add("Bob");
uniqueNames.add("Alice");
System.out.println(uniqueNames); //=> [Alice, Bob]
// What does the JSON document look like?
System.out.println(collection.get("setDocId").contentAsArray());
//=> ["Alice","Bob"]
// #end::data_structures_18[];
}
public void data_structures_19() throws Exception {
Queue<String> shoppingList = new CouchbaseQueue<String>("queueDocId", collection, String.class, QueueOptions.queueOptions());
shoppingList.add("loaf of bread");
shoppingList.add("container of milk");
shoppingList.add("stick of butter");
// What does the JSON document look like?
System.out.println(collection.get("queueDocId").contentAsArray());
//=> ["stick of butter","container of milk","loaf of bread"]
String item;
while ((item = shoppingList.poll()) != null) {
System.out.println(item);
// => loaf of bread
// => container of milk
// => stick of butter
}
// What does the JSON document look like after draining the queue?
System.out.println(collection.get("queueDocId").contentAsArray());
//=> []
// #end::data_structures_19[];
}
public static void main(String[] args) throws Exception {
DataStructuresExample obj = new DataStructuresExample();
obj.init();
obj.data_structures_1();
obj.data_structures_2();
obj.data_structures_3();
obj.data_structures_4();
obj.data_structures_5();
obj.data_structures_6();
obj.data_structures_7();
obj.data_structures_8();
obj.data_structures_9();
obj.data_structures_10();
obj.data_structures_11();
obj.data_structures_12();
obj.data_structures_13();
obj.data_structures_14();
obj.data_structures_15();
obj.data_structures_16();
obj.data_structures_17();
obj.data_structures_18();
obj.data_structures_19();
System.out.println("Done.");
}
}
If the queue is empty, then null is returned.
|
mapSize , listSize , setSize , queueSize
|
These methods get the length of the data structure.
For maps, this is the number of key-value pairs inside the map.
For lists, queues, and sets, this is the number of elements in the structure.
int len = arrayList.size(); //=> 42
// #end::data_structures_15[];
}
public void data_structures_16() throws Exception {
Map<String, String> favorites = new CouchbaseMap<String>("mapDocId", collection, String.class, MapOptions.mapOptions());
favorites.put("color", "Blue");
favorites.put("flavor", "Chocolate");
System.out.println(favorites); //=> {flavor=Chocolate, color=Blue}
// What does the JSON document look like?
System.out.println(collection.get("mapDocId").contentAsObject());
//=> {"flavor":"Chocolate","color":"Blue"}
// #end::data_structures_16[];
}
public void data_structures_17() throws Exception {
List<String> names = new CouchbaseArrayList<String>("listDocId", collection, String.class, ArrayListOptions.arrayListOptions());
names.add("Alice");
names.add("Bob");
names.add("Alice");
System.out.println(names); //=> [Alice, Bob, Alice]
// What does the JSON document look like?
System.out.println(collection.get("listDocId").contentAsArray());
//=> ["Alice","Bob","Alice"]
// #end::data_structures_17[];
}
public void data_structures_18() throws Exception {
Set<String> uniqueNames = new CouchbaseArraySet<String>("setDocId", collection, String.class, ArraySetOptions.arraySetOptions());
uniqueNames.add("Alice");
uniqueNames.add("Bob");
uniqueNames.add("Alice");
System.out.println(uniqueNames); //=> [Alice, Bob]
// What does the JSON document look like?
System.out.println(collection.get("setDocId").contentAsArray());
//=> ["Alice","Bob"]
// #end::data_structures_18[];
}
public void data_structures_19() throws Exception {
Queue<String> shoppingList = new CouchbaseQueue<String>("queueDocId", collection, String.class, QueueOptions.queueOptions());
shoppingList.add("loaf of bread");
shoppingList.add("container of milk");
shoppingList.add("stick of butter");
// What does the JSON document look like?
System.out.println(collection.get("queueDocId").contentAsArray());
//=> ["stick of butter","container of milk","loaf of bread"]
String item;
while ((item = shoppingList.poll()) != null) {
System.out.println(item);
// => loaf of bread
// => container of milk
// => stick of butter
}
// What does the JSON document look like after draining the queue?
System.out.println(collection.get("queueDocId").contentAsArray());
//=> []
// #end::data_structures_19[];
}
public static void main(String[] args) throws Exception {
DataStructuresExample obj = new DataStructuresExample();
obj.init();
obj.data_structures_1();
obj.data_structures_2();
obj.data_structures_3();
obj.data_structures_4();
obj.data_structures_5();
obj.data_structures_6();
obj.data_structures_7();
obj.data_structures_8();
obj.data_structures_9();
obj.data_structures_10();
obj.data_structures_11();
obj.data_structures_12();
obj.data_structures_13();
obj.data_structures_14();
obj.data_structures_15();
obj.data_structures_16();
obj.data_structures_17();
obj.data_structures_18();
obj.data_structures_19();
System.out.println("Done.");
}
}
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