org.cacheonix.cluster.ClusterStateChangedEvent Maven / Gradle / Ivy

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Cacheonix is an open source distributed cache for Java that allows its users to scale Java applications in a cluster while preserving the simplicity of design and coding in a single Java VM.

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/*
 * Cacheonix Systems licenses this file to You under the LGPL 2.1
 * (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.cacheonix.org/products/cacheonix/license-lgpl-2.1.htm
 *
 * 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.cacheonix.cluster;

/**
 * An event that Cacheonix sends to subscribers when a cluster state changes.
 *
 * @see ClusterEventSubscriber#notifyClusterStateChanged(ClusterStateChangedEvent)
 */
public interface ClusterStateChangedEvent {

   /**
    * Returns a new cluster state.
    *
    * @return the new cluster state.
    */
   ClusterState getNewClusterState();
}