org.apache.kafka.streams.kstream.internals.foreignkeyjoin.CombinedKey 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.foreignkeyjoin;
import java.util.Objects;
public class CombinedKey {
private final KF foreignKey;
private final KP primaryKey;
CombinedKey(final KF foreignKey, final KP primaryKey) {
Objects.requireNonNull(foreignKey, "foreignKey can't be null");
Objects.requireNonNull(primaryKey, "primaryKey can't be null");
this.foreignKey = foreignKey;
this.primaryKey = primaryKey;
}
public KF getForeignKey() {
return foreignKey;
}
public KP getPrimaryKey() {
return primaryKey;
}
public boolean equals(final KF foreignKey, final KP primaryKey) {
if (this.primaryKey == null) {
return false;
}
return this.foreignKey.equals(foreignKey) && this.primaryKey.equals(primaryKey);
}
@Override
public String toString() {
return "CombinedKey{" +
"foreignKey=" + foreignKey +
", primaryKey=" + primaryKey +
'}';
}
}