BinaryStore.KeySetAware (Oracle\u00AE Fusion Middleware Java API Reference for Oracle Coherence)

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Oracle® Fusion Middleware Java API Reference for Oracle Coherence
12c (12.1.2)
E26043-01

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com.tangosol.io
Interface BinaryStore.KeySetAware

All Superinterfaces:: BinaryStore, BinaryStore.SizeAware

All Known Implementing Classes:: JournalBinaryStore

Enclosing interface:: BinaryStore

public static interface BinaryStore.KeySetAware

extends BinaryStore.SizeAware

If a BinaryStore is aware of which keys that it stores, then it should implement this optional interface in order to allow that information to be efficiently communicated to an intelligent consumer of the BinaryStore interface.

Since:: Coherence 12.1.2

Nested Class Summary

Nested classes/interfaces inherited from interface com.tangosol.io.BinaryStore
`BinaryStore.KeySetAware, BinaryStore.SizeAware`

Method Summary
`boolean`	`containsKey(Binary binKey)` Return `true` iff this BinaryStore contains a mapping for the specified key.

Methods inherited from interface com.tangosol.io.BinaryStore.SizeAware
`size`

Methods inherited from interface com.tangosol.io.BinaryStore
`erase, eraseAll, keys, load, store`

Method Detail

containsKey

boolean containsKey(Binary binKey)

Return true iff this BinaryStore contains a mapping for the specified key.

Parameters:: binKey - key whose presence in the BinaryStore is to be tested
Returns:: true iff this BinaryStore contains a mapping for the specified key