1 /*
   2  * Copyright (c) 2017, 2017, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
















  23 
  24 
  25 package jdk.internal.vm.compiler.collections;
  26 
  27 import java.util.Iterator;
  28 
  29 /**
  30  * Memory efficient set data structure.
  31  *
  32  * @since 1.0
  33  */
  34 public interface EconomicSet<E> extends UnmodifiableEconomicSet<E> {
  35 
  36     /**
  37      * Adds {@code element} to this set if it is not already present.
  38      *
  39      * @return {@code true} if this set did not already contain {@code element}.
  40      * @since 1.0
  41      */
  42     boolean add(E element);

   1 /*
   2  * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 
  25 
  26 
  27 
  28 
  29 
  30 
  31 
  32 
  33 
  34 
  35 
  36 
  37 
  38 
  39 
  40 
  41 package jdk.internal.vm.compiler.collections;
  42 
  43 import java.util.Iterator;
  44 
  45 /**
  46  * Memory efficient set data structure.
  47  *
  48  * @since 1.0
  49  */
  50 public interface EconomicSet<E> extends UnmodifiableEconomicSet<E> {
  51 
  52     /**
  53      * Adds {@code element} to this set if it is not already present.
  54      *
  55      * @return {@code true} if this set did not already contain {@code element}.
  56      * @since 1.0
  57      */
  58     boolean add(E element);