WorkflowContextEvent.java

/**
 * Copyright (c) 2014 - 2017 Frank Appel
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *   Frank Appel - initial API and implementation
 */
package com.codeaffine.workflow.event;

import com.codeaffine.workflow.definition.VariableDeclaration;

public class WorkflowContextEvent<T> {
  
  private VariableDeclaration<T> declaration;
  private final T newValue;
  private final T oldValue;

  public WorkflowContextEvent( VariableDeclaration<T> declaration, T newValue, T oldValue ) {
    this.declaration = declaration;
    this.newValue = newValue;
    this.oldValue = oldValue;
  }
  
  public VariableDeclaration<T> getDeclaration() {
    return declaration;
  }
  
  public T getNewValue() {
    return newValue;
  }

  public T getOldValue() {
    return oldValue;
  }
}