1 /*
   2  * reserved comment block
   3  * DO NOT REMOVE OR ALTER!
   4  */
   5 /*
   6  * Licensed to the Apache Software Foundation (ASF) under one or more
   7  * contributor license agreements.  See the NOTICE file distributed with
   8  * this work for additional information regarding copyright ownership.
   9  * The ASF licenses this file to You under the Apache License, Version 2.0
  10  * (the "License"); you may not use this file except in compliance with
  11  * the License.  You may obtain a copy of the License at
  12  *
  13  *      http://www.apache.org/licenses/LICENSE-2.0
  14  *
  15  * Unless required by applicable law or agreed to in writing, software
  16  * distributed under the License is distributed on an "AS IS" BASIS,
  17  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  18  * See the License for the specific language governing permissions and
  19  * limitations under the License.
  20  */
  21 
  22 package com.sun.org.apache.bcel.internal.util;
  23 
  24 import java.util.LinkedList;

  25 import com.sun.org.apache.bcel.internal.classfile.JavaClass;
  26 
  27 /**
  28  * Utility class implementing a (typesafe) queue of JavaClass
  29  * objects.
  30  *
  31  * @author <A HREF="mailto:markus.dahm@berlin.de">M. Dahm</A>
  32  * @see ClassVector
  33 */
  34 public class ClassQueue implements java.io.Serializable {
  35   protected LinkedList vec  = new LinkedList();
  36 
  37   public void enqueue(JavaClass clazz) { vec.addLast(clazz); }




  38 
  39   public JavaClass dequeue()                {
  40     return (JavaClass)vec.removeFirst();
  41   }
  42 
  43   public boolean empty() { return vec.isEmpty(); }


  44 

  45   public String toString() {
  46     return vec.toString();
  47   }
  48 }

   1 /*
   2  * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.

   3  */
   4 /*
   5  * Licensed to the Apache Software Foundation (ASF) under one or more
   6  * contributor license agreements.  See the NOTICE file distributed with
   7  * this work for additional information regarding copyright ownership.
   8  * The ASF licenses this file to You under the Apache License, Version 2.0
   9  * (the "License"); you may not use this file except in compliance with
  10  * the License.  You may obtain a copy of the License at
  11  *
  12  *      http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  */

  20 package com.sun.org.apache.bcel.internal.util;
  21 
  22 import java.util.LinkedList;
  23 
  24 import com.sun.org.apache.bcel.internal.classfile.JavaClass;
  25 
  26 /**
  27  * Utility class implementing a (typesafe) queue of JavaClass objects.

  28  *
  29  * @version $Id: ClassQueue.java 1747278 2016-06-07 17:28:43Z britter $
  30  */
  31 public class ClassQueue {


  32 
  33     private final LinkedList<JavaClass> vec = new LinkedList<>();
  34 
  35     public void enqueue(final JavaClass clazz) {
  36         vec.addLast(clazz);
  37     }
  38 
  39     public JavaClass dequeue() {
  40         return vec.removeFirst();
  41     }
  42 
  43     public boolean empty() {
  44         return vec.isEmpty();
  45     }
  46 
  47     @Override
  48     public String toString() {
  49         return vec.toString();
  50     }
  51 }