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/* |
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* Written by Doug Lea and Martin Buchholz with assistance from |
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* members of JCP JSR-166 Expert Group and released to the public |
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* domain, as explained at |
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* http://creativecommons.org/publicdomain/zero/1.0/ |
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*/ |
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|
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import java.util.Map; |
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|
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/** Allows tests to work with different Map implementations. */ |
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public interface MapImplementation { |
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/** Returns the Map implementation class. */ |
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public Class<?> klazz(); |
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/** Returns an empty map. */ |
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public Map emptyMap(); |
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|
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// General purpose implementations can use Integers for key and value |
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default Object makeKey(int i) { return i; } |
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default Object makeValue(int i) { return i; } |
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default int keyToInt(Object key) { return (Integer) key; } |
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default int valueToInt(Object value) { return (Integer) value; } |
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|
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public boolean isConcurrent(); |
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default boolean remappingFunctionCalledAtMostOnce() { return true; }; |
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public boolean permitsNullKeys(); |
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public boolean permitsNullValues(); |
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public boolean supportsSetValue(); |
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} |
