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/*
 * Copyright 2009 Google Inc.
 * 
 * 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 com.google.gwt.rpc.client.ast;

import com.google.gwt.rpc.client.ast.RpcCommandVisitor.Context;

import java.util.ArrayList;
import java.util.List;

/**
 * Encapsulates an array of values.
 */
public class ArrayValueCommand extends IdentityValueCommand {
  private final Class componentType;
  private final List values = new ArrayList();

  public ArrayValueCommand(Class componentType) {
    this.componentType = componentType;
  }

  public void add(ValueCommand x) {
    values.add(x);
  }

  @Override
  public void clear() {
    values.clear();
  }

  public Class getComponentType() {
    return componentType;
  }

  public List getComponentValues() {
    return values;
  }

  @Override
  public void traverse(RpcCommandVisitor visitor, Context ctx) {
    if (visitor.visit(this, ctx)) {
      visitor.accept(values);
    }
    visitor.endVisit(this, ctx);
  }
}