取得操作はCouchbaseデータベースから情報を取得します。利用可能なAPIの要約を以下に示します。
表6.1 Javaクライアントライブラリの取得メソッド
| Method | Title |
|---|---|
client.asyncGetAndTouch(key, expiry) | Asynchronously get a value and update the expiration time for a given key |
client.asyncGetAndTouch(key, expiry, transcoder) | Asynchronously get a value and update the expiration time for a given key using a custom transcoder |
client.asyncGet(key) | Asynchronously get a single key |
client.asyncGetBulk(keycollection) | Asynchronously get multiple keys |
client.asyncGetBulk(keyn) | Asynchronously get multiple keys |
client.asyncGetBulk(transcoder, keyn) | Asynchronously get multiple keys using a custom transcoder |
client.asyncGetBulk(keycollection, transcoder) | Asynchronously get multiple keys using a custom transcoder |
client.asyncGet(key, transcoder) | Asynchronously get a single key using a custom transcoder |
client.asyncGetLock(key [, getl-expiry ]) | Asynchronously get a lock. |
client.asyncGetLock(key [, getl-expiry ], transcoder) | Asynchronously get a lock with transcoder. |
client.asyncGets(key) | Asynchronously get single key value with CAS value |
client.asyncGets(key, transcoder) | Asynchronously get single key value with CAS value using custom transcoder |
client.getAndTouch(key, expiry) | Get a value and update the expiration time for a given key |
client.getAndTouch(key, expiry, transcoder) | Get a value and update the expiration time for a given key using a custom transcoder |
client.get(key) | Get a single key |
client.getAndLock(key [, getl-expiry ]) | Get and lock Asynchronously |
client.getAndLock(key [, getl-expiry ], transcoder) | Get and lock |
client.getBulk(keycollection) | Get multiple keys |
client.getBulk(keyn) | Get multiple keys |
client.getBulk(transcoder, keyn) | Get multiple keys using a custom transcoder |
client.getBulk(keycollection, transcoder) | Get multiple keys using a custom transcoder |
client.get(key, transcoder) | Get a single key using a custom transcoder |
client.gets(key) | Get single key value with CAS value |
client.gets(key, transcoder) | Get single key value with CAS value using custom transcoder |
client.unlock(key, casunique) | Unlock |