/**
* 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.flume.sink;
import java.util.Iterator;
import org.apache.flume.Context;
import org.apache.flume.Sink;
/**
* A test selector that always returns the iteration order of specified
* sinks for testing purposes. This selector expects that the configuration
* key {@value #SET_ME} is specified with a non-null value.
*/
public class FixedOrderSelector extends AbstractSinkSelector {
public static final String SET_ME = "setme";
@Override
public Iterator<Sink> createSinkIterator() {
return getSinks().iterator();
}
@Override
public void configure(Context context) {
super.configure(context);
if (context.getString(SET_ME) == null) {
throw new RuntimeException("config key " + SET_ME + " not specified");
}
}
}