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/*
* Copyright 2015 Open Networking Laboratory
*
* Licensed 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.onosproject.store.consistent.impl;
import static com.google.common.base.MoreObjects.toStringHelper;
/**
* Representation of a state machine update.
*/
public class StateMachineUpdate {
/**
* Target data structure type this update is for.
*/
enum Target {
/**
* Update is for a map.
*/
MAP_UPDATE,
/**
* Update is a transaction commit.
*/
TX_COMMIT,
/**
* Update is a queue push.
*/
QUEUE_PUSH,
/**
* Update is for some other operation.
*/
OTHER
}
private final String operationName;
private final Object input;
private final Object output;
public StateMachineUpdate(String operationName, Object input, Object output) {
this.operationName = operationName;
this.input = input;
this.output = output;
}
public Target target() {
// FIXME: This check is brittle
if (operationName.contains("mapUpdate")) {
return Target.MAP_UPDATE;
} else if (operationName.contains("commit") || operationName.contains("prepareAndCommit")) {
return Target.TX_COMMIT;
} else if (operationName.contains("queuePush")) {
return Target.QUEUE_PUSH;
} else {
return Target.OTHER;
}
}
@SuppressWarnings("unchecked")
public <T> T input() {
return (T) input;
}
@SuppressWarnings("unchecked")
public <T> T output() {
return (T) output;
}
@Override
public String toString() {
return toStringHelper(this)
.add("name", operationName)
.add("input", input)
.add("output", output)
.toString();
}
}
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