package org.apache.helix.mock.participant;
/*
* 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.
*/
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import org.apache.helix.NotificationContext;
import org.apache.helix.api.State;
import org.apache.helix.api.id.PartitionId;
import org.apache.helix.model.Message;
// simulate error transition
public class ErrTransition extends MockTransition {
private final Map<String, Set<String>> _errPartitions;
public ErrTransition(Map<String, Set<String>> errPartitions) {
if (errPartitions != null) {
// change key to upper case
_errPartitions = new HashMap<String, Set<String>>();
for (String key : errPartitions.keySet()) {
String upperKey = key.toUpperCase();
_errPartitions.put(upperKey, errPartitions.get(key));
}
} else {
_errPartitions = Collections.emptyMap();
}
}
@Override
public void doTransition(Message message, NotificationContext context) {
State fromState = message.getTypedFromState();
State toState = message.getTypedToState();
PartitionId partition = message.getPartitionId();
String key = (fromState + "-" + toState).toUpperCase();
if (_errPartitions.containsKey(key) && _errPartitions.get(key).contains(partition.stringify())) {
String errMsg =
"IGNORABLE: test throw exception in msgId: " + message.getId() + " for " + partition
+ " transit from " + fromState + " to " + toState;
throw new RuntimeException(errMsg);
}
}
}