net.openhft.chronicle.set

Interface SetQueryContext<K,R>

Type Parameters:

K - the set key type

R - the return type of SetEntryOperations specialized for the queried set

All Superinterfaces:

HashContext<K>, HashQueryContext<K>, InterProcessReadWriteUpdateLock, ReadWriteLock, SegmentLock, SetContext<K,R>, SetEntryOperations<K,R>

All Known Subinterfaces:

ExternalSetQueryContext<K,R>, SetRemoteQueryContext<K,R>

All Known Implementing Classes:

CompiledMapQueryContext, CompiledReplicatedMapQueryContext

public interface SetQueryContext<K,R>
extends HashQueryContext<K>, SetContext<K,R>

A context of ChronicleSet operations with individual keys (most: contains(), add(), etc., opposed to bulk operations).

See Also:

ChronicleHash.queryContext(Object)

Method Summary

Modifier and Type	Method and Description
SetAbsentEntry<K>	absentEntry() Returns the special absent entry object, if the entry with the queried key is absent in the hash, returns null, if the entry is present.
SetEntry<K>	entry() Returns the entry context, if the entry with the queried key is present in the ChronicleHash, returns null is the entry is absent.

Methods inherited from interface net.openhft.chronicle.hash.HashQueryContext

queriedKey, segmentIndex

Methods inherited from interface net.openhft.chronicle.hash.locks.InterProcessReadWriteUpdateLock

readLock, updateLock, writeLock

Methods inherited from interface net.openhft.chronicle.set.SetContext

hash, set

Methods inherited from interface net.openhft.chronicle.set.SetEntryOperations

insert, remove

Method Detail

entry

@Nullable
SetEntry<K> entry()

Description copied from interface: HashQueryContext

Returns the entry context, if the entry with the queried key is present in the ChronicleHash, returns null is the entry is absent.

Specified by:

entry in interface HashQueryContext<K>

absentEntry

@Nullable
SetAbsentEntry<K> absentEntry()

Description copied from interface: HashQueryContext

Returns the special absent entry object, if the entry with the queried key is absent in the hash, returns null, if the entry is present.

Specified by:

absentEntry in interface HashQueryContext<K>