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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.bcel.util;
import java.util.LinkedList;
import org.apache.bcel.classfile.JavaClass;
/**
* Utility class implementing a (typesafe) queue of JavaClass
* objects.
*
*/
public class ClassQueue {
/**
* @deprecated (since 6.0) will be made private; do not access
*/
@Deprecated
protected LinkedList<JavaClass> vec = new LinkedList<>(); // TODO not used externally
public void enqueue( final JavaClass clazz ) {
vec.addLast(clazz);
}
public JavaClass dequeue() {
return vec.removeFirst();
}
public boolean empty() {
return vec.isEmpty();
}
@Override
public String toString() {
return vec.toString();
}
}