JobLoadProgressDialog.java

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 * Pentaho Data Integration
 *
 * Copyright (C) 2002-2017 by Pentaho : http://www.pentaho.com
 *
 *******************************************************************************
 *
 * 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,
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package org.pentaho.di.ui.job.dialog;

import java.lang.reflect.InvocationTargetException;

import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.dialogs.ProgressMonitorDialog;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.swt.widgets.Shell;
import org.pentaho.di.core.ProgressMonitorAdapter;
import org.pentaho.di.core.exception.KettleException;
import org.pentaho.di.job.JobMeta;
import org.pentaho.di.repository.KettleRepositoryLostException;
import org.pentaho.di.repository.ObjectId;
import org.pentaho.di.repository.Repository;
import org.pentaho.di.repository.RepositoryDirectoryInterface;
import org.pentaho.di.ui.core.dialog.ErrorDialog;
import org.pentaho.di.ui.job.entries.missing.MissingEntryDialog;

/**
 *
 *
 * @author Matt
 * @since 13-mrt-2005
 */
public class JobLoadProgressDialog {
  private Shell shell;
  private Repository rep;
  private String jobname;
  private RepositoryDirectoryInterface repdir;
  private JobMeta jobInfo;
  private String versionLabel;
  private ObjectId objectId;

  /**
   * Creates a new dialog that will handle the wait while loading a job...
   */
  public JobLoadProgressDialog( Shell shell, Repository rep, String jobname, RepositoryDirectoryInterface repdir,
    String versionLabel ) {
    this.shell = shell;
    this.rep = rep;
    this.jobname = jobname;
    this.repdir = repdir;
    this.versionLabel = versionLabel;

    this.jobInfo = null;
  }

  /**
   * Creates a new dialog that will handle the wait while loading a job...
   */
  public JobLoadProgressDialog( Shell shell, Repository rep, ObjectId objectId, String versionLabel ) {
    this.shell = shell;
    this.rep = rep;
    this.objectId = objectId;
    this.versionLabel = versionLabel;

    this.jobInfo = null;
  }

  public JobMeta open() {
    IRunnableWithProgress op = new IRunnableWithProgress() {
      public void run( IProgressMonitor monitor ) throws InvocationTargetException, InterruptedException {
        try {
          if ( objectId != null ) {
            jobInfo = rep.loadJob( objectId, versionLabel );
          } else {
            jobInfo = rep.loadJob( jobname, repdir, new ProgressMonitorAdapter( monitor ), versionLabel );
          }
          if ( jobInfo.hasMissingPlugins() ) {
            MissingEntryDialog missingDialog = new MissingEntryDialog( shell, jobInfo.getMissingEntries() );
            if ( missingDialog.open() == null ) {
              jobInfo = null;
            }
          }
        } catch ( KettleException e ) {
          throw new InvocationTargetException( e, "Error loading job" );
        }
      }
    };

    try {
      ProgressMonitorDialog pmd = new ProgressMonitorDialog( shell );
      pmd.run( true, false, op );
    } catch ( InvocationTargetException e ) {
      KettleRepositoryLostException krle = KettleRepositoryLostException.lookupStackStrace( e );
      if ( krle != null ) {
        throw krle;
      }
      new ErrorDialog( shell, "Error loading job", "An error occured loading the job!", e );
      jobInfo = null;
    } catch ( InterruptedException e ) {
      new ErrorDialog( shell, "Error loading job", "An error occured loading the job!", e );
      jobInfo = null;
    }

    return jobInfo;
  }
}