// Copyright 2012 Google Inc. All Rights Reserved.
//
// 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.collide.json.shared;
/**
* String Set interface.
*/
public interface JsonStringSet {
/**
* Callback to support iterating through the keys of this set.
*/
public interface IterationCallback {
void onIteration(String key);
}
boolean contains(String key);
JsonArray<String> getKeys();
boolean isEmpty();
void iterate(IterationCallback callback);
void add(String key);
void addAll(JsonArray<String> keys);
/**
* Removes the item with the given key.
*
* @param key key of the item to be removed from this set, if present
* @return <tt>true</tt> if this set contained the specified element
*/
boolean remove(String key);
void clear();
}