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src/jdk.internal.vm.compiler/share/classes/jdk.internal.vm.compiler.collections/src/jdk/internal/vm/compiler/collections/EconomicMap.java

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rev 52509 : [mq]: graal2
   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 import java.util.Map;
  29 import java.util.function.BiFunction;
  30 
  31 /**
  32  * Memory efficient map data structure.
  33  *
  34  * @since 1.0
  35  */
  36 public interface EconomicMap<K, V> extends UnmodifiableEconomicMap<K, V> {
  37 
  38     /**
  39      * Associates {@code value} with {@code key} in this map. If the map previously contained a
  40      * mapping for {@code key}, the old value is replaced by {@code value}.
  41      *
  42      * @return the previous value associated with {@code key}, or {@code null} if there was no


   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 
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  40 
  41 package jdk.internal.vm.compiler.collections;
  42 
  43 import java.util.Iterator;
  44 import java.util.Map;
  45 import java.util.function.BiFunction;
  46 
  47 /**
  48  * Memory efficient map data structure.
  49  *
  50  * @since 1.0
  51  */
  52 public interface EconomicMap<K, V> extends UnmodifiableEconomicMap<K, V> {
  53 
  54     /**
  55      * Associates {@code value} with {@code key} in this map. If the map previously contained a
  56      * mapping for {@code key}, the old value is replaced by {@code value}.
  57      *
  58      * @return the previous value associated with {@code key}, or {@code null} if there was no


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