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author | Tom Tromey <tromey@redhat.com> | 2002-06-18 17:06:44 +0000 |
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committer | Tom Tromey <tromey@gcc.gnu.org> | 2002-06-18 17:06:44 +0000 |
commit | ab928b32414497eba794c15e4965cf282858eb3f (patch) | |
tree | 8de2e4286e6087eeb7717ab060ab78bc55ebff6e /libjava/java/util | |
parent | 347258aef04597a20eda7f59ee2759e952e87f4e (diff) | |
download | gcc-ab928b32414497eba794c15e4965cf282858eb3f.zip gcc-ab928b32414497eba794c15e4965cf282858eb3f.tar.gz gcc-ab928b32414497eba794c15e4965cf282858eb3f.tar.bz2 |
javaprims.h: Updated class declaration list.
* gcj/javaprims.h: Updated class declaration list.
* Makefile.in: Rebuilt.
* Makefile.am (core_java_source_files): Removed
BasicMapEntry.java.
* java/util/BasicMapEntry.java: Removed.
From-SVN: r54753
Diffstat (limited to 'libjava/java/util')
-rw-r--r-- | libjava/java/util/BasicMapEntry.java | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/libjava/java/util/BasicMapEntry.java b/libjava/java/util/BasicMapEntry.java deleted file mode 100644 index 925fd26..0000000 --- a/libjava/java/util/BasicMapEntry.java +++ /dev/null @@ -1,168 +0,0 @@ -/* BasicMapEntry.java -- a class providing a plain-vanilla implementation of - the Map.Entry interface; could be used anywhere in java.util - Copyright (C) 1998, 2000, 2001 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA -02111-1307 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - - -package java.util; - -/** - * A class which implements Map.Entry. It is shared by HashMap, TreeMap, - * Hashtable, and Collections. It is not specified by the JDK, but makes - * life much easier. - * - * @author Jon Zeppieri - * @author Eric Blake <ebb9@email.byu.edu> - */ -class BasicMapEntry implements Map.Entry -{ - /** - * The key. Package visible for direct manipulation. - */ - Object key; - - /** - * The value. Package visible for direct manipulation. - */ - Object value; - - /** - * Basic constructor initializes the fields. - * @param newKey the key - * @param newValue the value - */ - BasicMapEntry(Object newKey, Object newValue) - { - key = newKey; - value = newValue; - } - - /** - * Compares the specified object with this entry. Returns true only if - * the object is a mapping of identical key and value. In other words, - * this must be: - * <pre> - * (o instanceof Map.Entry) && - * (getKey() == null ? ((HashMap) o).getKey() == null - * : getKey().equals(((HashMap) o).getKey())) && - * (getValue() == null ? ((HashMap) o).getValue() == null - * : getValue().equals(((HashMap) o).getValue())) - * </pre> - * - * @param o the object to compare - * @return true if it is equal - */ - public final boolean equals(Object o) - { - if (! (o instanceof Map.Entry)) - return false; - // Optimize for our own entries. - if (o instanceof BasicMapEntry) - { - BasicMapEntry e = (BasicMapEntry) o; - return (AbstractCollection.equals(key, e.key) - && AbstractCollection.equals(value, e.value)); - } - Map.Entry e = (Map.Entry) o; - return (AbstractCollection.equals(key, e.getKey()) - && AbstractCollection.equals(value, e.getValue())); - } - - /** - * Get the key corresponding to this entry. - * - * @return the key - */ - public final Object getKey() - { - return key; - } - - /** - * Get the value corresponding to this entry. If you already called - * Iterator.remove(), the behavior undefined, but in this case it works. - * - * @return the value - */ - public final Object getValue() - { - return value; - } - - /** - * Returns the hash code of the entry. This is defined as the exclusive-or - * of the hashcodes of the key and value (using 0 for null). In other - * words, this must be: - * <pre> - * (getKey() == null ? 0 : getKey().hashCode()) ^ - * (getValue() == null ? 0 : getValue().hashCode()) - * </pre> - * - * @return the hash code - */ - public final int hashCode() - { - return (AbstractCollection.hashCode(key) - ^ AbstractCollection.hashCode(value)); - } - - /** - * Replaces the value with the specified object. This writes through - * to the map, unless you have already called Iterator.remove(). It - * may be overridden to restrict a null value. - * - * @param newVal the new value to store - * @return the old value - * @throws NullPointerException if the map forbids null values - */ - public Object setValue(Object newVal) - { - Object r = value; - value = newVal; - return r; - } - - /** - * This provides a string representation of the entry. It is of the form - * "key=value", where string concatenation is used on key and value. - * - * @return the string representation - */ - public final String toString() - { - return key + "=" + value; - } -} |