com.hazelcast.internal.partition.impl.MigrationInterceptor Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2024, Hazelcast, Inc. All Rights Reserved.
*
* 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 com.hazelcast.internal.partition.impl;
import com.hazelcast.internal.partition.MigrationInfo;
import java.util.Collection;
import java.util.EventListener;
/**
* Internal synchronous/blocking listener to intercept migration cycle
* on master member and migration participants.
*
* It's used to execute a specific test scenario deterministically. There's no user side api or configuration.
*
* @see InternalPartitionServiceImpl#setMigrationInterceptor(MigrationInterceptor)
*/
public interface MigrationInterceptor extends EventListener {
enum MigrationParticipant {
MASTER,
SOURCE,
DESTINATION
}
default void onMigrationStart(MigrationParticipant participant, MigrationInfo migration) {
}
default void onMigrationComplete(MigrationParticipant participant, MigrationInfo migration, boolean success) {
}
default void onMigrationCommit(MigrationParticipant participant, MigrationInfo migration) {
}
default void onMigrationRollback(MigrationParticipant participant, MigrationInfo migration) {
}
default void onPromotionStart(MigrationParticipant participant, Collection migrations) {
}
default void onPromotionComplete(MigrationParticipant participant, Collection migrations, boolean success) {
}
class NopMigrationInterceptor implements MigrationInterceptor {
}
}