Package org.springframework.batch.core.jsr.job.flow.support.state

Source Code of org.springframework.batch.core.jsr.job.flow.support.state.JsrEndState

/*
* Copyright 2013-2014 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.springframework.batch.core.jsr.job.flow.support.state;

import org.springframework.batch.core.BatchStatus;
import org.springframework.batch.core.ExitStatus;
import org.springframework.batch.core.JobExecution;
import org.springframework.batch.core.StepExecution;
import org.springframework.batch.core.job.flow.FlowExecutionStatus;
import org.springframework.batch.core.job.flow.FlowExecutor;
import org.springframework.batch.core.job.flow.State;
import org.springframework.batch.core.repository.JobRepository;
import org.springframework.batch.item.ExecutionContext;

/**
* {@link State} implementation for ending a job per JSR-352 rules if it is
* in progress and continuing if just starting.
*
* @author Michael Minella
* @since 3.0
*/
public class JsrEndState extends org.springframework.batch.core.job.flow.support.state.EndState {

  private JobRepository jobRepository;
  private String restart;

  /**
   * @param status The {@link FlowExecutionStatus} to end with
   * @param name The name of the state
   */
  public JsrEndState(FlowExecutionStatus status, String name) {
    super(status, status.getName(), name);
  }

  /**
   * @param status The {@link FlowExecutionStatus} to end with
   * @param name The name of the state
   */
  public JsrEndState(FlowExecutionStatus status, String code, String name) {
    super(status, code, name, false);
  }

  /**
   * @param status The {@link FlowExecutionStatus} to end with
   * @param name The name of the state
   * @param abandon flag to indicate that previous step execution can be
   * marked as abandoned (if there is one)
   *
   */
  public JsrEndState(FlowExecutionStatus status, String code, String name, boolean abandon) {
    super(status, code, name, abandon);
  }

  public JsrEndState(FlowExecutionStatus status, String code, String name, String restart, boolean abandon, JobRepository jobRepository) {
    super(status, code, name, abandon);
    this.jobRepository = jobRepository;
    this.restart = restart;
  }

  @Override
  public FlowExecutionStatus handle(FlowExecutor executor)
      throws Exception {
    synchronized (executor) {

      // Special case. If the last step execution could not complete we
      // are in an unknown state (possibly unrecoverable).
      StepExecution stepExecution = executor.getStepExecution();
      if (stepExecution != null && executor.getStepExecution().getStatus() == BatchStatus.UNKNOWN) {
        return FlowExecutionStatus.UNKNOWN;
      }

      if (getStatus().isStop()) {
        JobExecution jobExecution = stepExecution.getJobExecution();
        ExecutionContext executionContext = jobExecution.getExecutionContext();
        executionContext.put("batch.restartStep", restart);
        executionContext.put("batch.stoppedStep", stepExecution.getStepName());
        jobRepository.updateExecutionContext(jobExecution);

        if (!executor.isRestart()) {
          /*
           * If there are step executions, then we are not at the
           * beginning of a restart.
           */
          if (isAbandon()) {
            /*
             * Only if instructed to do so, upgrade the status of
             * last step execution so it is not replayed on a
             * restart...
             */
            executor.abandonStepExecution();
          }
        }
        else {
          /*
           * If we are a stop state and we got this far then it must
           * be a restart, so return COMPLETED.
           */
          return FlowExecutionStatus.COMPLETED;
        }
      }

      setExitStatus(executor, getCode());

      return getStatus();
    }
  }

  /* (non-Javadoc)
   * @see org.springframework.batch.core.job.flow.support.state.EndState#setExitStatus(org.springframework.batch.core.job.flow.FlowExecutor, java.lang.String)
   */
  @Override
  protected void setExitStatus(FlowExecutor executor, String code) {
    StepExecution stepExecution = executor.getStepExecution();

    ExitStatus status = new ExitStatus(code);
    if(!ExitStatus.isNonDefaultExitStatus(status)) {
      stepExecution.getJobExecution().setExitStatus(status);
    }
  }
}
TOP

Related Classes of org.springframework.batch.core.jsr.job.flow.support.state.JsrEndState

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.