/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
 * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
 */
package org.hibernate.jpa.internal.util;

import javax.persistence.CacheRetrieveMode;
import javax.persistence.CacheStoreMode;

import org.hibernate.CacheMode;

Helper to deal with CacheMode <-> CacheRetrieveMode/CacheStoreMode conversions.
Author:Steve Ebersole
/** * Helper to deal with {@link CacheMode} <-> {@link CacheRetrieveMode}/{@link CacheStoreMode} * conversions. * * @author Steve Ebersole */
public final class CacheModeHelper { private CacheModeHelper() { } public static final CacheMode DEFAULT_LEGACY_MODE = CacheMode.NORMAL; public static final CacheStoreMode DEFAULT_STORE_MODE = CacheStoreMode.USE; public static final CacheRetrieveMode DEFAULT_RETRIEVE_MODE = CacheRetrieveMode.USE;
Given a JPA CacheStoreMode and CacheRetrieveMode, determine the corresponding legacy Hibernate CacheMode.
Params:
  • storeMode – The JPA shared-cache store mode.
  • retrieveMode – The JPA shared-cache retrieve mode.
Returns:Corresponding CacheMode.
/** * Given a JPA {@link CacheStoreMode} and {@link CacheRetrieveMode}, determine the corresponding * legacy Hibernate {@link CacheMode}. * * @param storeMode The JPA shared-cache store mode. * @param retrieveMode The JPA shared-cache retrieve mode. * * @return Corresponding {@link CacheMode}. */
public static CacheMode interpretCacheMode(CacheStoreMode storeMode, CacheRetrieveMode retrieveMode) { if ( storeMode == null ) { storeMode = DEFAULT_STORE_MODE; } if ( retrieveMode == null ) { retrieveMode = DEFAULT_RETRIEVE_MODE; } final boolean get = ( CacheRetrieveMode.USE == retrieveMode ); switch ( storeMode ) { case USE: { return get ? CacheMode.NORMAL : CacheMode.PUT; } case REFRESH: { // really (get == true) here is a bit of an invalid combo... return CacheMode.REFRESH; } case BYPASS: { return get ? CacheMode.GET : CacheMode.IGNORE; } default: { throw new IllegalStateException( "huh? :)" ); } } }
Given a JPA CacheStoreMode and CacheRetrieveMode, determine the corresponding legacy Hibernate CacheMode.
Params:
  • storeMode – The JPA shared-cache store mode.
  • retrieveMode – The JPA shared-cache retrieve mode.
Returns:Corresponding CacheMode.
/** * Given a JPA {@link CacheStoreMode} and {@link CacheRetrieveMode}, determine the corresponding * legacy Hibernate {@link CacheMode}. * * @param storeMode The JPA shared-cache store mode. * @param retrieveMode The JPA shared-cache retrieve mode. * * @return Corresponding {@link CacheMode}. */
public static CacheMode effectiveCacheMode(CacheStoreMode storeMode, CacheRetrieveMode retrieveMode) { if ( storeMode == null && retrieveMode == null ) { return null; } if ( storeMode == null ) { storeMode = DEFAULT_STORE_MODE; } if ( retrieveMode == null ) { retrieveMode = DEFAULT_RETRIEVE_MODE; } final boolean get = ( CacheRetrieveMode.USE == retrieveMode ); switch ( storeMode ) { case USE: { return get ? CacheMode.NORMAL : CacheMode.PUT; } case REFRESH: { // really (get == true) here is a bit of an invalid combo... return CacheMode.REFRESH; } case BYPASS: { return get ? CacheMode.GET : CacheMode.IGNORE; } default: { throw new IllegalStateException( "huh? :)" ); } } } public static CacheStoreMode interpretCacheStoreMode(CacheMode cacheMode) { if ( cacheMode == null ) { cacheMode = DEFAULT_LEGACY_MODE; } if ( CacheMode.REFRESH == cacheMode ) { return CacheStoreMode.REFRESH; } if ( CacheMode.NORMAL == cacheMode || CacheMode.PUT == cacheMode ) { return CacheStoreMode.USE; } return CacheStoreMode.BYPASS; } public static CacheRetrieveMode interpretCacheRetrieveMode(CacheMode cacheMode) { if ( cacheMode == null ) { cacheMode = DEFAULT_LEGACY_MODE; } return ( CacheMode.NORMAL == cacheMode || CacheMode.GET == cacheMode ) ? CacheRetrieveMode.USE : CacheRetrieveMode.BYPASS; } }