/**
* 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.falcon.designer.primitive;
import java.util.Iterator;
/**
* Checked excpetion that is thrown when there are one more
* issues with the primitive that is being compiled.
*/
public class CompilationException extends Exception implements Iterable<Message> {
private final String detailedMessage;
private final Iterable<Message> messages;
/**
* Construct default CompilationException with the messages (that
* may typically be returned by the validation phase).
*
* @param validationMessages - Iterable messages.
*/
public CompilationException(Iterable<Message> validationMessages) {
StringBuilder buffer = new StringBuilder();
for (Message message : validationMessages) {
if (buffer.length() > 0) {
buffer.append('\n');
}
buffer.append(message);
}
detailedMessage = buffer.toString();
messages = validationMessages;
}
@Override
public String getMessage() {
return detailedMessage;
}
@Override
public Iterator<Message> iterator() {
return messages.iterator();
}
}