// FastStack.java
/**
* Copyright (C) 2008 10gen 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.mongodb.util;
import java.util.ArrayList;
import java.util.List;
public class FastStack<T>{
public void push( T t ){
_data.add( t );
}
public T peek(){
return _data.get( _data.size() - 1 );
}
public T pop(){
return _data.remove( _data.size() - 1 );
}
public int size(){
return _data.size();
}
public void clear(){
_data.clear();
}
public T get( int i ){
return _data.get( i );
}
public String toString(){
return _data.toString();
}
private final List<T> _data = new ArrayList<T>();
}