modules/visor-plugins/src/main/java/org/apache/ignite/visor/plugin/VisorExtensionPoint.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.visor.plugin;

import ro.fortsoft.pf4j.ExtensionPoint;

/**
 * Abstract base class for Visor plugin extension point.
 */
public abstract class VisorExtensionPoint implements ExtensionPoint {
    /** */
    private final VisorPluginModel model;

    /**
     * @param model Visor model.
     */
    protected VisorExtensionPoint(VisorPluginModel model) {
        this.model = model;
    }

    /**
     * @return Visor model.
     */
    public VisorPluginModel model() {
        return model;
    }

    /**
     * @return Plugin name.
     */
    public abstract String name();

    /**
     * Will be executed on Visor model changed.
     */
    public void onModelChanged() {
        // No-op.
    }

    /**
     * Will be executed on Visor events changed.
     */
    public void onEventsChanged() {
        // No-op.
    }

    /**
     * Will be executed on Visor connect to grid.
     */
    public void onConnected() {
        // No-op.
    }

    /**
     * Will be executed on Visor disconnect from grid.
     */
    public void onDisconnected() {
        // No-op.
    }
}