org.apache.kafka.streams.kstream.internals.Change Maven / Gradle / Ivy
/*
* 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.kafka.streams.kstream.internals;
import java.util.Objects;
public class Change {
public final T newValue;
public final T oldValue;
public final boolean isLatest;
public Change(final T newValue, final T oldValue) {
this(newValue, oldValue, true);
}
public Change(final T newValue, final T oldValue, final boolean isLatest) {
this.newValue = newValue;
this.oldValue = oldValue;
this.isLatest = isLatest;
}
@Override
public String toString() {
return "(" + newValue + "<-" + oldValue + ")";
}
@Override
public boolean equals(final Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
final Change change = (Change) o;
return Objects.equals(newValue, change.newValue)
&& Objects.equals(oldValue, change.oldValue)
&& isLatest == change.isLatest;
}
@Override
public int hashCode() {
return Objects.hash(newValue, oldValue, isLatest);
}
}