Package com.couchbase.client.core.topology

Class TopologyHelper

java.lang.Object

com.couchbase.client.core.topology.TopologyHelper

@Internal
public class TopologyHelper
extends Object

Method Summary

Modifier and Type	Method	Description
static <V> LinkedHashMap<String,V>	compressKeyRuns(Map<Integer,V> map)	Returns new map derived by merging contiguous keys that have the same value.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

compressKeyRuns

public static <V> LinkedHashMap<String,V> compressKeyRuns(Map<Integer,V> map)

Returns new map derived by merging contiguous keys that have the same value. Key ranges are expressed as: START_INCLUSIVE..END_INCLUSIVE

For example:

 Given:   {0=A, 1=A, 3=A, 4=B, 5=A}
 Returns: {0..1=A, 3=A, 4=B, 5=A}
 

Throws:

NullPointerException - if map is null or contains a null key