Example usage for java.util.concurrent ConcurrentMap containsValue

Introduction

In this page you can find the example usage for java.util.concurrent ConcurrentMap containsValue.

Prototype

boolean containsValue(Object value);

Source Link

Document

Returns true if this map maps one or more keys to the specified value.

Usage

From source file:com.googlecode.concurrentlinkedhashmap.ConcurrentMapTest.java

@Test(dataProvider = "guardedMap")
public void removeConditionally(ConcurrentMap<Integer, Integer> map) {
    map.put(1, 2);/*from  w ww. ja  v  a 2s  . c o  m*/
    assertThat(map.remove(1, -2), is(false));
    assertThat(map.remove(1, 2), is(true));
    assertThat(map.get(1), is(nullValue()));
    assertThat(map.containsKey(1), is(false));
    assertThat(map.containsValue(2), is(false));
    assertThat(map, is(emptyMap()));
}

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