Package uk.gov.gchq.gaffer.proxystore.operation.handler

Class OperationChainHandler<OUT>

java.lang.Object

uk.gov.gchq.gaffer.store.operation.handler.OperationChainHandler<OUT>

uk.gov.gchq.gaffer.proxystore.operation.handler.OperationChainHandler<OUT>

All Implemented Interfaces:

OperationHandler<OperationChain<OUT>>, OutputOperationHandler<OperationChain<OUT>,OUT>

public class OperationChainHandler<OUT>
extends OperationChainHandler<OUT>

Field Summary

Fields

Modifier and Type	Field	Description
static String	PROXY_STORE_OPERATION_CHAIN_HANDLER
static String	RESOLVED
static String	TO_HANDLERS
static String	TO_PROXY
static String	UNPROCESSED

Constructor Summary

Constructors

Constructor	Description
OperationChainHandler(OperationChainValidator opChainValidator, List<OperationChainOptimiser> opChainOptimisers)

Method Summary

Modifier and Type	Method	Description
OUT	doOperation(OperationChain<OUT> operationChain, Context context, Store store)	Execute the given Output operation.

Methods inherited from class uk.gov.gchq.gaffer.store.operation.handler.OperationChainHandler

prepareOperationChain

Methods inherited from class java.lang.Object

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

Field Detail

PROXY_STORE_OPERATION_CHAIN_HANDLER

public static final String PROXY_STORE_OPERATION_CHAIN_HANDLER

See Also:

Constant Field Values

TO_PROXY

public static final String TO_PROXY

See Also:

Constant Field Values

TO_HANDLERS

public static final String TO_HANDLERS

See Also:

Constant Field Values

RESOLVED

public static final String RESOLVED

See Also:

Constant Field Values

UNPROCESSED

public static final String UNPROCESSED

See Also:

Constant Field Values

Constructor Detail

OperationChainHandler

public OperationChainHandler(OperationChainValidator opChainValidator,
                             List<OperationChainOptimiser> opChainOptimisers)

Method Detail

doOperation

public OUT doOperation(OperationChain<OUT> operationChain,
                       Context context,
                       Store store)

Description copied from interface: OutputOperationHandler

Execute the given Output operation.

Specified by:

doOperation in interface OperationHandler<OUT>

Specified by:

doOperation in interface OutputOperationHandler<OperationChain<OUT>,OUT>

Overrides:

doOperation in class OperationChainHandler<OUT>

Parameters:

operationChain - the Output operation to be executed

context - the operation chain context, containing the user who executed the operation

store - the Store the operation should be run on

Returns:

the output for the operation.