SpoonDelegates.java

/*! ******************************************************************************
 *
 * Pentaho Data Integration
 *
 * Copyright (C) 2002-2013 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,
 * 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.
 *
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package org.pentaho.di.ui.spoon.delegates;

import org.pentaho.di.job.JobMeta;
import org.pentaho.di.trans.TransMeta;
import org.pentaho.di.ui.spoon.InstanceCreationException;
import org.pentaho.di.ui.spoon.Spoon;

public class SpoonDelegates {
  public SpoonJobDelegate jobs;

  public SpoonTabsDelegate tabs;

  public SpoonTransformationDelegate trans;

  public SpoonSlaveDelegate slaves;

  public SpoonTreeDelegate tree;

  public SpoonStepsDelegate steps;

  public SpoonDBDelegate db;

  public SpoonClustersDelegate clusters;

  public SpoonPartitionsDelegate partitions;

  public SpoonDelegates( Spoon spoon ) {
    tabs = new SpoonTabsDelegate( spoon );
    tree = new SpoonTreeDelegate( spoon );
    slaves = new SpoonSlaveDelegate( spoon );
    steps = new SpoonStepsDelegate( spoon );
    db = new SpoonDBDelegate( spoon );
    clusters = new SpoonClustersDelegate( spoon );
    partitions = new SpoonPartitionsDelegate( spoon );
    update( spoon );
  }

  public void update( Spoon spoon ) {
    SpoonJobDelegate origJobs = jobs;
    try {
      jobs = (SpoonJobDelegate) SpoonDelegateRegistry.getInstance().constructSpoonJobDelegate( spoon );
    } catch ( InstanceCreationException e ) {
      jobs = new SpoonJobDelegate( spoon );
    }
    if ( origJobs != null ) {
      // preserve open jobs
      for ( JobMeta jobMeta : origJobs.getLoadedJobs() ) {
        jobs.addJob( jobMeta );
      }
    }
    SpoonTransformationDelegate origTrans = trans;
    try {
      trans =
        (SpoonTransformationDelegate) SpoonDelegateRegistry.getInstance().constructSpoonTransDelegate( spoon );
    } catch ( InstanceCreationException e ) {
      trans = new SpoonTransformationDelegate( spoon );
    }
    if ( origTrans != null ) {
      // preseve open trans
      for ( TransMeta transMeta : origTrans.getLoadedTransformations() ) {
        trans.addTransformation( transMeta );
      }
    }
  }
}