| /* |
| * Copyright 2006 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.dev.cfg; |
| |
| import com.google.gwt.dev.util.collect.Sets; |
| import com.google.gwt.thirdparty.guava.common.base.Objects; |
| |
| import java.util.Iterator; |
| import java.util.Set; |
| |
| /** |
| * Abstract base class for various kinds of compound deferred binding |
| * conditions. |
| */ |
| public abstract class CompoundCondition extends Condition { |
| |
| protected final Conditions conditions = new Conditions(); |
| |
| public CompoundCondition(Condition... conditions) { |
| for (Condition condition : conditions) { |
| this.conditions.add(condition); |
| } |
| } |
| |
| @Override |
| public boolean equals(Object object) { |
| if (object instanceof CompoundCondition) { |
| CompoundCondition that = (CompoundCondition) object; |
| return Objects.equal(this.conditions, that.conditions); |
| } |
| return false; |
| } |
| |
| public Conditions getConditions() { |
| return conditions; |
| } |
| |
| @Override |
| public Set<String> getRequiredProperties() { |
| Set<String> toReturn = Sets.create(); |
| for (Iterator<Condition> it = conditions.iterator(); it.hasNext();) { |
| toReturn = Sets.addAll(toReturn, it.next().getRequiredProperties()); |
| } |
| return toReturn; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hashCode(conditions); |
| } |
| } |