dev.responsive.kafka.api.async.internals.events.DelayedWrite Maven / Gradle / Ivy
/*
* Copyright 2024 Responsive Computing, Inc.
*
* 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 dev.responsive.kafka.api.async.internals.events;
/**
* A record (or tombstone) that should be written to the given state store.
* These records are created by the AsyncStateStore when a put is intercepted
* by an AsyncThread. They are then added to the corresponding AsyncEvent, which
* will handle the handoff from AsyncThread back to StreamThread, and ultimately
* ensure all delayed writes are executed by that StreamThread during the
* finalization phase of an async event.
*/
public class DelayedWrite {
private final KS recordKey;
private final VS recordValue;
private final String storeName;
public DelayedWrite(
final KS recordKey,
final VS recordValue,
final String storeName
) {
this.recordKey = recordKey;
this.recordValue = recordValue;
this.storeName = storeName;
}
public String storeName() {
return storeName;
}
public KS key() {
return recordKey;
}
public VS value() {
return recordValue;
}
@Override
public boolean equals(final Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
final DelayedWrite that = (DelayedWrite) o;
if (!recordKey.equals(that.recordKey)) {
return false;
}
return storeName.equals(that.storeName);
}
@Override
public int hashCode() {
return 31 * recordKey.hashCode() + storeName.hashCode();
}
@Override
public String toString() {
return "DelayedWrite<" + recordKey + ", " + recordValue + ">";
}
}