org.hibernate.CacheMode#NORMAL源码实例Demo

private static CacheMode getCacheMode(CacheModeType cacheModeType) {
	switch ( cacheModeType ) {
		case GET:
			return CacheMode.GET;
		case IGNORE:
			return CacheMode.IGNORE;
		case NORMAL:
			return CacheMode.NORMAL;
		case PUT:
			return CacheMode.PUT;
		case REFRESH:
			return CacheMode.REFRESH;
		default:
			throw new AssertionFailure( "Unknown cacheModeType: " + cacheModeType );
	}
}
 

/**
 * 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 {@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;
}
 

public static CacheMode fromXml(String name) {
	for ( CacheMode mode : CacheMode.values() ) {
		if ( mode.name().equalsIgnoreCase( name ) ) {
			return mode;
		}
	}
	return CacheMode.NORMAL;
}
 

public static CacheMode getCacheMode(String cacheMode) {
	if (cacheMode == null) return null;
	if ( "get".equals( cacheMode ) ) return CacheMode.GET;
	if ( "ignore".equals( cacheMode ) ) return CacheMode.IGNORE;
	if ( "normal".equals( cacheMode ) ) return CacheMode.NORMAL;
	if ( "put".equals( cacheMode ) ) return CacheMode.PUT;
	if ( "refresh".equals( cacheMode ) ) return CacheMode.REFRESH;
	throw new MappingException("Unknown Cache Mode: " + cacheMode);
}
 

@Override
public boolean isSecondLevelCacheCheckingEnabled() {
	return cacheMode == CacheMode.NORMAL || cacheMode == CacheMode.GET;
}