org.springframework.cache.interceptor

Class CompositeCacheOperationSource

java.lang.Object

org.springframework.cache.interceptor.CompositeCacheOperationSource

All Implemented Interfaces:

Serializable, CacheOperationSource

public class CompositeCacheOperationSource
extends Object
implements CacheOperationSource, Serializable

Composite CacheOperationSource implementation that iterates over a given array of CacheOperationSource instances.

Since:

3.1

Author:

Costin Leau, Juergen Hoeller

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
CompositeCacheOperationSource(CacheOperationSource... cacheOperationSources) Create a new CompositeCacheOperationSource for the given sources.

Method Summary

Modifier and Type	Method and Description
Collection<CacheOperation>	getCacheOperations(Method method, Class<?> targetClass) Return the collection of cache operations for this method, or null if the method contains no cacheable annotations.
CacheOperationSource[]	getCacheOperationSources() Return the CacheOperationSource instances that this CompositeCacheOperationSource combines.
boolean	isCandidateClass(Class<?> targetClass) Determine whether the given class is a candidate for cache operations in the metadata format of this CacheOperationSource.

Methods inherited from class java.lang.Object

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

Constructor Detail

CompositeCacheOperationSource

public CompositeCacheOperationSource(CacheOperationSource... cacheOperationSources)

Create a new CompositeCacheOperationSource for the given sources.

Parameters:

cacheOperationSources - the CacheOperationSource instances to combine

Method Detail

getCacheOperationSources

public final CacheOperationSource[] getCacheOperationSources()

Return the CacheOperationSource instances that this CompositeCacheOperationSource combines.

isCandidateClass

public boolean isCandidateClass(Class<?> targetClass)

Description copied from interface: CacheOperationSource

Determine whether the given class is a candidate for cache operations in the metadata format of this CacheOperationSource.

If this method returns false, the methods on the given class will not get traversed for CacheOperationSource.getCacheOperations(java.lang.reflect.Method, java.lang.Class<?>) introspection. Returning false is therefore an optimization for non-affected classes, whereas true simply means that the class needs to get fully introspected for each method on the given class individually.

Specified by:

isCandidateClass in interface CacheOperationSource

Parameters:

targetClass - the class to introspect

Returns:

false if the class is known to have no cache operation metadata at class or method level; true otherwise. The default implementation returns true, leading to regular introspection.

getCacheOperations

@Nullable
public Collection<CacheOperation> getCacheOperations(Method method,
                                                               @Nullable
                                                               Class<?> targetClass)

Description copied from interface: CacheOperationSource

Return the collection of cache operations for this method, or null if the method contains no cacheable annotations.

Specified by:

getCacheOperations in interface CacheOperationSource

Parameters:

method - the method to introspect

targetClass - the target class (may be null, in which case the declaring class of the method must be used)

Returns:

all cache operations for this method, or null if none found