tools/maven-plugin/src/main/java/org/apache/batchee/tools/maven/JobInstancesMojo.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.batchee.tools.maven;

import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugin.MojoFailureException;
import org.apache.maven.plugins.annotations.Mojo;
import org.apache.maven.plugins.annotations.Parameter;

import javax.batch.runtime.JobInstance;
import java.util.List;

/**
 * Print job instances.
 */
@Mojo(name = "instances")
public class JobInstancesMojo extends BatchEEMojoBase {
    /**
     * the job name to use to find job instances
     */
    @Parameter(required = true, property = "batchee.job")
    protected String jobName;

    /**
     * the first job instance to take into account
     */
    @Parameter(property = "batchee.start", defaultValue = "0")
    protected int start;

    /**
     * the maximum number of instance to bring back
     */
    @Parameter(property = "batchee.count", defaultValue = "10")
    protected int count;

    @Override
    public void execute() throws MojoExecutionException, MojoFailureException {
        final List<JobInstance> jobInstances = getOrCreateOperator().getJobInstances(jobName, start, count);
        getLog().info("Job instances (" + jobInstances.size() + "):");
        for (final JobInstance instance : jobInstances) {
            getLog().info(" - #" + instance.getInstanceId() + " -> " + instance.getJobName());
        }
    }
}