modules/core/src/main/java/org/apache/ignite/internal/processors/cluster/IgniteChangeGlobalStateSupport.java

/*
 * 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.ignite.internal.processors.cluster;

import org.apache.ignite.IgniteCheckedException;
import org.apache.ignite.internal.GridKernalContext;

/**
 * Provides callback during activation/deactivation cluster.
 */
public interface IgniteChangeGlobalStateSupport {
    /**
     * Called when cluster performing activation.
     *
     * @param kctx Kernal context.
     * @throws IgniteCheckedException If failed.
     */
    public void onActivate(GridKernalContext kctx) throws IgniteCheckedException;

    /**
     * Called when cluster performing deactivation.
     *
     * @param kctx Kernal context.
     */
    public void onDeActivate(GridKernalContext kctx);
}