/**
* @param operation an operation name.
* @return a keyExpression set.
*/
public List<String> getKeyExpressions(String operation) {
if (m_holder == null) return null;
OperationCachePolicy opPolicy = m_holder.getOperationCachePolicies().get(operation);
if (opPolicy == null) return null;
return opPolicy.getKeyExpressions();
}
/**
* @param operation An operation name.
* @return ttl value for the operation, -1 is default for invalid operations
*/
public long getTTL(String operation) {
long ttl = -1;
if (m_holder == null) return ttl;
OperationCachePolicy opPolicy = m_holder.getOperationCachePolicies().get(operation);
if (opPolicy == null) return ttl;
ttl = opPolicy.getTTL();
return ttl;
}
/**
* Generates and returns the cache key given a cache context The cache context has the request
* object. The Cache providers invoke this method to get the cacheKey that can be used for
* indexing the response object in their cache
*
* @param cacheContext A CacheContext.
* @return A CacheKey for the given CacheContext.
* @throws ServiceException Exception during CacheKey generation.
*/
public CacheKey generateCacheKey(CacheContext cacheContext) throws ServiceException {
String opName = cacheContext.getOpName();
OperationCachePolicy opPolicy = m_holder.getOperationCachePolicies().get(opName);
if (opPolicy == null) {
throw new ServiceException(
ErrorDataFactory.createErrorData(
ErrorConstants.SVC_CLIENT_CACHE_NOT_SUPPORTED, ErrorConstants.ERRORDOMAIN));
}
cacheContext.setTTL(opPolicy.getTTL());
CachableValueAccessor accessorCache = m_opToValueAccessorMap.get(opName);
if (accessorCache == null) {
throw new ServiceException(
ErrorDataFactory.createErrorData(
ErrorConstants.SVC_CLIENT_CACHE_NOT_SUPPORTED, ErrorConstants.ERRORDOMAIN));
}
return generateCacheKey(opName, cacheContext.getRequest(), accessorCache);
}
