AIModelSlaveComponent.java

/**
 * Copyright 2011 the original author or authors.
 *
 * 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 org.bricket.web.slave;

import org.apache.wicket.model.IModel;
import org.bricket.web.BricketPanel;
import org.bricket.web.event.BricketEventListener;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.util.Assert;

import brix.jcr.wrapper.BrixNode;

/**
 * @author Ingo Renner
 * 
 */
public abstract class AIModelSlaveComponent extends BricketPanel implements IModelSlave, BricketEventListener {
    private final Logger log = LoggerFactory.getLogger(AIModelSlaveComponent.class);

    private boolean initialized = false;

    public AIModelSlaveComponent(String id, IModel<BrixNode> tileNode) {
        super(id, tileNode);
        log.debug("AIModelSlaveComponent(id, ...)");
    }

    public AIModelSlaveComponent(String id) {
        super(id);
        log.debug("AIModelSlaveComponent(id)");
    }

    @Override
    protected void onInitialize() {
        log.debug("onInitialize() start");
        super.onInitialize();
        log.debug("onInitialize() end");
    }

    @Override
    protected void onConfigure() {
        log.debug("onConfigure()");
        super.onConfigure();
    }

    @Override
    protected final void onBeforeRender() {
        log.debug("onBeforeRender() start");
        Assert.isTrue(isInitialized(), "component not initialized by master");
        innerOnBeforeRender();
        super.onBeforeRender();
        log.debug("onBeforeRender() end");
    }

    protected abstract void innerOnBeforeRender();

    public boolean isInitialized() {
        return initialized;
    }

    public void setInitialized(boolean state) {
        log.debug("setInitialized({}) called", state);
        Assert.isTrue(!this.initialized, "can't initialize more than once");
        this.initialized = state;
    }
}