Examples of java.util.Map.containsValue()

java.util.Map.containsValue()
Returns true if this map maps one or more keys to the specified value. More formally, returns true if and only if this map contains at least one mapping to a value v such that (value==null ? v==null : value.equals(v)). This operation will probably require time linear in the map size for most implementations of the Map interface. @param value value whose presence in this map is to be tested @return true if this map maps one or more keys to thespecified value @throws ClassCastException if the value is of an inappropriate type forthis map (optional) @throws NullPointerException if the specified value is null and thismap does not permit null values (optional)

        for (int i = 0; i < 100 && (ref.get() != null || refs.containsValue(ref)); ++i) {
            Thread.sleep(10); // Give the GC a chance to run
            System.gc();
        }
        assertNull("Callback not GC'd", ref.get());
        assertFalse("Callback still in map", refs.containsValue(ref));
        
        ref = null;
        System.gc();
        for (int i = 0; i < 100 && (cbstruct.peer != 0 || refs.size() > 0); ++i) {
            // Flush weak hash map

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        else {
            // NOTE:  I thought I could have simply done:
            // if (def.getService(service.getQName()) != null)
            // but that method traces through all imported services.
            Map services = def.getServices();
            if (services.containsValue(service)) {
                entry.setIsReferenced(true);
            }
        }


        // Set all the service's bindings

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        else {
            // NOTE:  I thought I could have simply done:
            // if (def.getMessage(message.getQName()) != null)
            // but that method traces through all imported messages.
            Map messages = def.getMessages();
            if (messages.containsValue(message)) {
                entry.setIsReferenced(true);
            }
        }


        // Set all the message's types

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        else {
            // NOTE:  I thought I could have simply done:
            // if (def.getPortType(portType.getQName()) != null)
            // but that method traces through all imported portTypes.
            Map portTypes = def.getPortTypes();
            if (portTypes.containsValue(portType)) {
                entry.setIsReferenced(true);
            }
        }


        // Set all the portType's messages

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            else {
                // NOTE:  I thought I could have simply done:
                // if (def.getBindng(binding.getQName()) != null)
                // but that method traces through all imported bindings.
                Map bindings = def.getBindings();
                if (bindings.containsValue(binding)) {
                    entry.setIsReferenced(true);
                }
            }


            // Set all the binding's portTypes

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    public String getAsText() {
        Map map = (Map) getValue();
        if (!(map instanceof Properties)) {
            Properties p = new Properties();
            if (map != null) {
                if (!map.containsKey(null) && !map.containsValue(null)) {
                    p.putAll(map);
                } else {
                    // Map contains null keys or values. Replace null with empty string.
                    log.warn("Map contains null keys or values.  Replacing null values with empty string.");
                    for (Iterator itr = map.entrySet().iterator(); itr.hasNext();) {

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        } catch (IllegalArgumentException e) {
            // expected
        }


        assertTrue(!map.containsKey(new Integer(3)));
        assertTrue(!map.containsValue(new Integer(3)));


        Map map2 = new HashMap();
        map2.put("A", "a");
        map2.put("B", "b");
        map2.put("C", "c");

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        for (int k = 0; k < count; k++) {
            assertTrue(s.remove(nodes[k]));
            assertTrue(!s.contains(nodes[k]));
            assertTrue(!m.containsKey(nodes[k].getKey()));
            assertTrue(!m.containsValue(nodes[k]));
        }


        assertTrue(m.isEmpty());


        m = (DoubleOrderedMap) makeMap();

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        Map           m       = (DoubleOrderedMap) makeMap();
        LocalTestNode nodes[] = makeLocalNodes();


        for (int k = 0; k < nodes.length; k++) {
            m.put(nodes[k].getKey(), nodes[k]);
            assertTrue(m.containsValue(nodes[k]));
        }


        for (int k = 0; k < nodes.length; k++) {
            m.remove(nodes[k].getKey());
            assertTrue(!m.containsValue(nodes[k]));

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            assertTrue(m.containsValue(nodes[k]));
        }


        for (int k = 0; k < nodes.length; k++) {
            m.remove(nodes[k].getKey());
            assertTrue(!m.containsValue(nodes[k]));
        }
    }


    /**
     * test get() method

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