IntegerMap.java

// 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 org.eclipse.che.ide.collections;

/**
 * Integer Map interface.
 *
 * @param <T>
 *         the type contained as value in the map
 */
public interface IntegerMap<T> {

    /** Callback interface for int,double key value pairs. */
    public interface IterationCallback<T> {
        void onIteration(int key, T val);
    }

    boolean hasKey(int key);

    T get(int key);

    void put(int key, T val);

    boolean isEmpty();

    void erase(int key);

    /**
     * Iterates through the contents and calls back out to a callback.
     *
     * @param cb
     *         callback object
     */
    void iterate(IterationCallback<T> cb);
}