Adding BootstrapException that ProductDerivations recognize during beforeConfigurationConstruct()/load()

git-svn-id: https://svn.apache.org/repos/asf/openjpa/trunk@557798 13f79535-47bb-0310-9956-ffa450edef68

openjpa-lib/src/main/java/org/apache/openjpa/lib/conf/BootstrapException.java

@@ -0,0 +1,55 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.    
+ */
+package org.apache.openjpa.lib.conf;
+/**
+ * Exception recognized by {@link ProductDerivations bootstrap} framework.
+ * 
+ * @author Pinaki Poddar
+ * @since 0.4.1.4
+ *
+ */
+public class BootstrapException extends RuntimeException {
+
+	private boolean _fatal = false;
+	
+	public BootstrapException() {
+		super();
+	}
+
+	public BootstrapException(String message) {
+		super(message);
+	}
+
+	public BootstrapException(Throwable cause) {
+		super(cause);
+	}
+
+	public BootstrapException(String message, Throwable cause) {
+		super(message, cause);
+	}
+	
+	public BootstrapException setFatal(boolean fatal) {
+		_fatal = fatal;
+		return this;
+	}
+	
+	public boolean isFatal() {
+		return _fatal;
+	}
+}

openjpa-lib/src/main/java/org/apache/openjpa/lib/conf/ProductDerivations.java

@@ -170,6 +170,9 @@ public class ProductDerivations {
         for (int i = 0; i < _derivations.length; i++) {
             try {
                 _derivations[i].beforeConfigurationConstruct(cp);
+            } catch (BootstrapException be) {
+            	if (be.isFatal())
+            		throw be;
             } catch (Exception e) {
                 // can't log; no configuration yet
                 e.printStackTrace();
@@ -185,6 +188,9 @@ public class ProductDerivations {
         for (int i = 0; i < _derivations.length; i++) {
             try {
                 _derivations[i].beforeConfigurationLoad(conf);
+            } catch (BootstrapException be) {
+            	if (be.isFatal())
+            		throw be;
             } catch (Exception e) {
                 // logging not configured yet
                 e.printStackTrace();