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/*
 * Copyright 2021 EPAM Systems, Inc
 *
 * See the NOTICE file distributed with this work for additional information
 * regarding copyright ownership. 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.epam.deltix.util.collections;

public final class FixedSizeStack {

    private final Object [] elements;
    private int count;
    
    public FixedSizeStack (int capacity) {
        elements = new Object [capacity];
    }
    
    
    public void add (E e) {
        elements[count++] = e;
    }
    
    @SuppressWarnings("unchecked")
    public E remove () {
        assert count > 0;
        return (E) elements [--count];
    }
    
    public int count () {
        return count;
    }
    
    public int capacity () {
        return elements.length;
    }

    public boolean isEmpty () {
        return count == 0;
    }

    public boolean isFull () {
        return count == elements.length;
    }
}