1 files changed, 85 insertions, 0 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.eclipselink.core/src/org/eclipse/jpt/eclipselink/core/resource/java/CacheType.java b/jpa/plugins/org.eclipse.jpt.eclipselink.core/src/org/eclipse/jpt/eclipselink/core/resource/java/CacheType.java
new file mode 100644
index 0000000000..1e8fc9effa
--- /dev/null
+++ b/jpa/plugins/org.eclipse.jpt.eclipselink.core/src/org/eclipse/jpt/eclipselink/core/resource/java/CacheType.java
@@ -0,0 +1,85 @@
+/*******************************************************************************
+ * Copyright (c) 2008 Oracle. All rights reserved.
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0, which accompanies this distribution
+ * and is available at http://www.eclipse.org/legal/epl-v10.html.
+ * 
+ * Contributors:
+ *     Oracle - initial API and implementation
+ ******************************************************************************/
+package org.eclipse.jpt.eclipselink.core.resource.java;
+
+/**
+ * 
+ * Provisional API: This interface is part of an interim API that is still
+ * under development and expected to change significantly before reaching
+ * stability. It is available at this early stage to solicit feedback from
+ * pioneering adopters on the understanding that any code that uses this API
+ * will almost certainly be broken (repeatedly) as the API evolves.
+ * 
+ * @version 2.1
+ * @since 2.1
+ */
+public enum CacheType {
+	
+	FULL,
+	WEAK,
+	SOFT,
+	SOFT_WEAK,
+	HARD_WEAK,
+	CACHE,
+	NONE;
+	
+	
+	public static CacheType fromJavaAnnotationValue(Object javaAnnotationValue) {
+		if (javaAnnotationValue == null) {
+			return null;
+		}
+		if (javaAnnotationValue.equals(EclipseLinkJPA.CACHE_TYPE__FULL)) {
+			return FULL;
+		}
+		if (javaAnnotationValue.equals(EclipseLinkJPA.CACHE_TYPE__WEAK)) {
+			return WEAK;
+		}
+		if (javaAnnotationValue.equals(EclipseLinkJPA.CACHE_TYPE__SOFT)) {
+			return SOFT;
+		}
+		if (javaAnnotationValue.equals(EclipseLinkJPA.CACHE_TYPE__SOFT_WEAK)) {
+			return SOFT_WEAK;
+		}
+		if (javaAnnotationValue.equals(EclipseLinkJPA.CACHE_TYPE__HARD_WEAK)) {
+			return HARD_WEAK;
+		}
+		if (javaAnnotationValue.equals(EclipseLinkJPA.CACHE_TYPE__CACHE)) {
+			return CACHE;
+		}
+		if (javaAnnotationValue.equals(EclipseLinkJPA.CACHE_TYPE__NONE)) {
+			return NONE;
+		}
+		return null;
+	}
+
+	public static String toJavaAnnotationValue(CacheType cacheType) {
+		if (cacheType == null) {
+			return null;
+		}
+		switch (cacheType) {
+			case FULL :
+				return EclipseLinkJPA.CACHE_TYPE__FULL;
+			case WEAK :
+				return EclipseLinkJPA.CACHE_TYPE__WEAK;
+			case SOFT :
+				return EclipseLinkJPA.CACHE_TYPE__SOFT;
+			case SOFT_WEAK :
+				return EclipseLinkJPA.CACHE_TYPE__SOFT_WEAK;
+			case HARD_WEAK :
+				return EclipseLinkJPA.CACHE_TYPE__HARD_WEAK;
+			case CACHE :
+				return EclipseLinkJPA.CACHE_TYPE__CACHE;
+			case NONE :
+				return EclipseLinkJPA.CACHE_TYPE__NONE;
+			default :
+				throw new IllegalArgumentException("unknown cache type: " + cacheType);
+		}
+	}
+}