test/tck/MapImplementation.java

/*
 * Written by Doug Lea and Martin Buchholz with assistance from
 * members of JCP JSR-166 Expert Group and released to the public
 * domain, as explained at
 * http://creativecommons.org/publicdomain/zero/1.0/
 */

import java.util.Map;

/** Allows tests to work with different Map implementations. */
public interface MapImplementation {
    /** Returns the Map implementation class. */
    public Class<?> klazz();
    /** Returns an empty map. */
    public Map emptyMap();

    // General purpose implementations can use Integers for key and value
    default Object makeKey(int i) { return i; }
    default Object makeValue(int i) { return i; }
    default int keyToInt(Object key) { return (Integer) key; }
    default int valueToInt(Object value) { return (Integer) value; }

    public boolean isConcurrent();
    default boolean remappingFunctionCalledAtMostOnce() { return true; };
    public boolean permitsNullKeys();
    public boolean permitsNullValues();
    public boolean supportsSetValue();
}
Revision:	1.2
Committed:	Sun Sep 29 20:40:48 2019 UTC (4 years, 7 months ago) by jsr166
Branch:	MAIN
CVS Tags:	HEAD
Changes since 1.1:	+8 -2 lines
Log Message:	add MapTest.testConcurrentAccess
#	User	Rev	Content
1	jsr166	1.1	/*
2			* Written by Doug Lea and Martin Buchholz with assistance from
3			* members of JCP JSR-166 Expert Group and released to the public
4			* domain, as explained at
5			* http://creativecommons.org/publicdomain/zero/1.0/
6			*/
7
8			import java.util.Map;
9
10			/** Allows tests to work with different Map implementations. */
11			public interface MapImplementation {
12			/** Returns the Map implementation class. */
13			public Class<?> klazz();
14			/** Returns an empty map. */
15			public Map emptyMap();
16	jsr166	1.2
17			// General purpose implementations can use Integers for key and value
18			default Object makeKey(int i) { return i; }
19			default Object makeValue(int i) { return i; }
20			default int keyToInt(Object key) { return (Integer) key; }
21			default int valueToInt(Object value) { return (Integer) value; }
22
23	jsr166	1.1	public boolean isConcurrent();
24	jsr166	1.2	default boolean remappingFunctionCalledAtMostOnce() { return true; };
25	jsr166	1.1	public boolean permitsNullKeys();
26			public boolean permitsNullValues();
27			public boolean supportsSetValue();
28			}