3.11. 服务器生命周期事件通知

示例： Listener Class

package org.simple.lifecycle.events.listener;

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;

import org.wildfly.extension.core.management.client.ProcessStateListener;
import org.wildfly.extension.core.management.client.ProcessStateListenerInitParameters;
import org.wildfly.extension.core.management.client.RunningStateChangeEvent;
import org.wildfly.extension.core.management.client.RuntimeConfigurationStateChangeEvent;

public class SimpleListener implements ProcessStateListener {

    private File file;
    private FileWriter fileWriter;
    private ProcessStateListenerInitParameters parameters;

    public void init(ProcessStateListenerInitParameters parameters) {
        this.parameters = parameters;
        this.file = new File(parameters.getInitProperties().get("file"));
        try {
            fileWriter = new FileWriter(file, true);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public void cleanup() {
        try {
            fileWriter.close();
        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            fileWriter = null;
        }
    }

    public void runtimeConfigurationStateChanged(RuntimeConfigurationStateChangeEvent evt) {
        try {
            fileWriter.write(String.format("Runtime configuration state change for %s: %s to %s\n", parameters.getProcessType(), evt.getOldState(), evt.getNewState()));
            fileWriter.flush();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public void runningStateChanged(RunningStateChangeEvent evt) {
        try {
            fileWriter.write(String.format("Running state change for %s: %s to %s\n", parameters.getProcessType(), evt.getOldState(), evt.getNewState()));
            fileWriter.flush();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}