Package uk.gov.gchq.gaffer.store.operation.handler.output

Class ToArrayHandler<T>

java.lang.Object

uk.gov.gchq.gaffer.store.operation.handler.output.ToArrayHandler<T>

Type Parameters:

T - the type of object in the input iterable

All Implemented Interfaces:

OperationHandler<ToArray<T>>, OutputOperationHandler<ToArray<T>,T[]>

public class ToArrayHandler<T>
extends Object
implements OutputOperationHandler<ToArray<T>,T[]>

A ToArrayHandler handles ToArray operations. The input Iterable of objects is converted into an array. Use of this operation will cause all of the items present in the input iterable to be brought into memory, so this operation is not suitable for situations where the size of the input iterable is very large.

Constructor Summary

Constructors

Constructor	Description
ToArrayHandler()

Method Summary

Modifier and Type	Method	Description
T[]	doOperation(ToArray<T> operation, Context context, Store store)	Execute the given Output operation.

Methods inherited from class java.lang.Object

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

Constructor Detail

ToArrayHandler

public ToArrayHandler()

Method Detail

doOperation

public T[] doOperation(ToArray<T> operation,
                       Context context,
                       Store store)
                throws OperationException

Description copied from interface: OutputOperationHandler

Execute the given Output operation.

Specified by:

doOperation in interface OperationHandler<T>

Specified by:

doOperation in interface OutputOperationHandler<ToArray<T>,T[]>

Parameters:

operation - 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.

Throws:

OperationException - thrown if the operation fails