Java tutorial
/* * 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.cli.command; import org.apache.batchee.cli.command.api.Command; import org.apache.batchee.cli.command.api.Option; import org.apache.commons.lang3.StringUtils; import javax.batch.operations.JobOperator; import javax.batch.runtime.Metric; import javax.batch.runtime.StepExecution; import java.text.DateFormat; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; @Command(name = "stepExecutions", description = "list step executions for a particular execution") public class StepExecutions extends JobOperatorCommand { @Option(name = "id", description = "execution id", required = true) private long id; public StepExecutions withId(final long id) { this.id = id; return this; } public StepExecutions withOperator(final JobOperator operator) { this.operator = operator; return this; } @Override public void doRun() { final JobOperator operator = operator(); final List<StepExecution> executions = operator.getStepExecutions(id); if (executions == null || executions.isEmpty()) { info("Executions of " + id + " not found"); return; } info("Step executions of " + id); final List<Metric.MetricType> metricsOrder = new ArrayList<Metric.MetricType>(); final StringBuilder metrics = new StringBuilder(); for (final Metric.MetricType type : Metric.MetricType.values()) { metrics.append("\t|\t").append(type.name()); metricsOrder.add(type); } final DateFormat format = new SimpleDateFormat("YYYYMMdd hh:mm:ss"); info(" step id\t|\t step name\t|\t start time \t|\t end time \t|\texit status\t|\tbatch status" + metrics.toString()); for (final StepExecution exec : executions) { final StringBuilder builder = new StringBuilder( String.format("%10d\t|\t%s\t|\t%s\t|\t%s\t|\t%s\t|\t%s", exec.getStepExecutionId(), StringUtils.center(exec.getStepName(), 10), format.format(exec.getStartTime()), exec.getEndTime() != null ? format.format(exec.getEndTime()) : "-", StringUtils.center(exec.getExitStatus() == null ? "-" : exec.getExitStatus(), 11), StringUtils.center(String.valueOf(exec.getBatchStatus()), 12))); final Map<Metric.MetricType, Long> stepMetrics = new HashMap<Metric.MetricType, Long>(); if (exec.getMetrics() != null) { for (final Metric m : exec.getMetrics()) { stepMetrics.put(m.getType(), m.getValue()); } } for (final Metric.MetricType type : metricsOrder) { final Long value = stepMetrics.get(type); builder.append("\t|\t"); if (value != null) { builder.append(StringUtils.center(Long.toString(value), type.name().length())); } else { builder.append("-"); } } info(builder.toString()); } } }