javax.cache.annotation

Interface CacheKeyInvocationContext<A extends Annotation>

Type Parameters:

A - The type of annotation this context information is for. One of CacheResult, CachePut, or CacheRemoveEntry

All Superinterfaces:

CacheInvocationContext<A>, CacheMethodDetails<A>

public interface CacheKeyInvocationContext<A extends Annotation>
extends CacheInvocationContext<A>

Runtime information about an intercepted method invocation for a method annotated with CacheResult, CachePut, or CacheRemoveEntry.

Used with CacheKeyGenerator.generateCacheKey(CacheKeyInvocationContext) to generate a GeneratedCacheKey for the invocation.

Version:

$Revision$

Author:

Eric Dalquist

See Also:

CacheKeyGenerator

Method Summary

Methods

Modifier and Type	Method and Description
CacheInvocationParameter[]	getKeyParameters() Returns a clone of the array of all method parameters to be used by the CacheKeyGenerator in creating a GeneratedCacheKey.
CacheInvocationParameter	getValueParameter() When a method is annotated with CachePut this is the parameter annotated with CacheValue

Methods inherited from interface javax.cache.annotation.CacheInvocationContext

getAllParameters, getTarget, unwrap

Methods inherited from interface javax.cache.annotation.CacheMethodDetails

getAnnotations, getCacheAnnotation, getCacheName, getMethod

Method Detail

getKeyParameters

CacheInvocationParameter[] getKeyParameters()

Returns a clone of the array of all method parameters to be used by the CacheKeyGenerator in creating a GeneratedCacheKey. The returned array may be the same as or a subset of the array returned by CacheInvocationContext.getAllParameters()

Parameters in this array are selected by the following rules:

• If no parameters are annotated with CacheKey or CacheValue then all parameters are included
• If a CacheValue annotation exists and no CacheKey then all parameters except the one annotated with CacheValue are included
• If one or more CacheKey annotations exist only those parameters with the CacheKey annotation are included

Returns:

An array of all parameters to be used in cache key generation

getValueParameter

CacheInvocationParameter getValueParameter()

When a method is annotated with CachePut this is the parameter annotated with CacheValue

Returns:

The parameter to cache, will never be null for methods annotated with CachePut, will be null for methods not annotated with CachePut