com.hazelcast.cache.impl.operation

Class CacheContainsKeyOperation

java.lang.Object

com.hazelcast.spi.Operation

com.hazelcast.spi.impl.AbstractNamedOperation

com.hazelcast.cache.impl.operation.CacheOperation

com.hazelcast.cache.impl.operation.KeyBasedCacheOperation

com.hazelcast.cache.impl.operation.CacheContainsKeyOperation

All Implemented Interfaces:

DataSerializable, IdentifiedDataSerializable, AllowedDuringPassiveState, NamedOperation, PartitionAwareOperation, ReadonlyOperation, ServiceNamespaceAware

public class CacheContainsKeyOperation
extends KeyBasedCacheOperation
implements ReadonlyOperation

Cache contains key operation, determines if the cache contains an entry for the specified key.

More formally, returns true if and only if the cache contains a mapping for a key k such that key.equals(k). (There can be at most one such mapping.)

Field Summary

Fields inherited from class com.hazelcast.cache.impl.operation.KeyBasedCacheOperation

backupRecord, key, response

Fields inherited from class com.hazelcast.cache.impl.operation.CacheOperation

cacheService, dontCreateCacheRecordStoreIfNotExist, recordStore, wanEventPublisher

Fields inherited from class com.hazelcast.spi.impl.AbstractNamedOperation

name

Fields inherited from class com.hazelcast.spi.Operation

GENERIC_PARTITION_ID

Constructor Summary

Constructors

Constructor and Description
CacheContainsKeyOperation()
CacheContainsKeyOperation(String name, Data key)

Method Summary

Modifier and Type	Method and Description
int	getId() Returns type identifier for this class.
void	run() Runs the operation.

Methods inherited from class com.hazelcast.cache.impl.operation.KeyBasedCacheOperation

getResponse, readInternal, writeInternal

Methods inherited from class com.hazelcast.cache.impl.operation.CacheOperation

beforeRun, beforeRunInternal, dispose, getAsyncBackupCount, getFactoryId, getServiceName, getServiceNamespace, getSyncBackupCount, logError, onInvocationException, publishWanRemove, publishWanUpdate, publishWanUpdate, publishWanUpdate

Methods inherited from class com.hazelcast.spi.impl.AbstractNamedOperation

getName, toString

Methods inherited from class com.hazelcast.spi.Operation

afterRun, call, executedLocally, getCallerAddress, getCallerUuid, getCallId, getCallTimeout, getConnection, getInvocationTime, getLogger, getNodeEngine, getOperationResponseHandler, getPartitionId, getReplicaIndex, getService, getWaitTimeout, isUrgent, onExecutionFailure, onSetCallId, readData, requiresExplicitServiceName, returnsResponse, sendResponse, setCallerUuid, setNodeEngine, setOperationResponseHandler, setPartitionId, setReplicaIndex, setService, setServiceName, setValidateTarget, setWaitTimeout, toString, validatesTarget, writeData

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.hazelcast.spi.PartitionAwareOperation

getPartitionId

Methods inherited from interface com.hazelcast.nio.serialization.DataSerializable

readData, writeData

Constructor Detail

CacheContainsKeyOperation

public CacheContainsKeyOperation()

CacheContainsKeyOperation

public CacheContainsKeyOperation(String name,
                                 Data key)

Method Detail

run

public void run()
         throws Exception

Description copied from class: Operation

Runs the operation. Either the Operation.run() or Operation.call() method should be implemented; not both. Runs after wait-support, supposed to do actual operation

Overrides:

run in class Operation

Throws:

Exception

See Also:

Operation.call()

getId

public int getId()

Description copied from interface: IdentifiedDataSerializable

Returns type identifier for this class. It should be unique per DataSerializableFactory.

Specified by:

getId in interface IdentifiedDataSerializable

Returns:

type ID