Examples of MultiKey

com.espertech.esper.collection.MultiKey
Functions as a key value for Maps where keys need to be composite values. The class allows a Map that uses MultiKeyUntyped entries for key values to use multiple objects as keys. It calculates the hashCode from the key objects on construction and caches the hashCode.
org.apache.commons.collections.keyvalue.MultiKey
late map with data mapping key+locale to localizedText Map map = new HashMap(); MultiKey multiKey = new MultiKey(key, locale); map.put(multiKey, localizedText); // later retireve the localized text MultiKey multiKey = new MultiKey(key, locale); String localizedText = (String) map.get(multiKey); @since Commons Collections 3.0 @version $Revision: 1.5 $ $Date: 2004/03/13 12:43:43 $ @author Howard Lewis Ship @author Stephen Colebourne
org.apache.commons.collections15.keyvalue.MultiKey
late map with data mapping key+locale to localizedText Map map = new HashMap(); MultiKey multiKey = new MultiKey(key, locale); map.put(multiKey, localizedText);
// later retireve the localized text MultiKey multiKey = new MultiKey(key, locale); String localizedText = (String) map.get(multiKey); @author Howard Lewis Ship @author Matt Hall, John Watkinson, Stephen Colebourne @version $Revision: 1.1 $ $Date: 2005/10/11 17:05:32 $ @since Commons Collections 3.0
org.apache.tapestry.internal.util.MultiKey
Combines multiple values to form a single composite key. MultiKey can often be used as an alternative to nested maps.
org.apache.tapestry.util.MultiKey
A complex key that may be used as an alternative to nested {@link java.util.Map}s. @author Howard Lewis Ship @version $Id: MultiKey.java 243791 2004-02-19 17:38:13Z hlship $
org.apache.tapestry5.internal.util.MultiKey
Combines multiple values to form a single composite key. MultiKey can often be used as an alternative to nested maps.

Examples of org.apache.commons.collections.keyvalue.MultiKey

        return getMultiKeyKeys();
    }


    private MultiKey[] getMultiKeyKeys() {
        return new MultiKey[] {
            new MultiKey(I1, I2),
            new MultiKey(I2, I3),
            new MultiKey(I3, I4),
            new MultiKey(I1, I1, I2),
            new MultiKey(I2, I3, I4),
            new MultiKey(I3, I7, I6),
            new MultiKey(I1, I1, I2, I3),
            new MultiKey(I2, I4, I5, I6),
            new MultiKey(I3, I6, I7, I8),
            new MultiKey(I1, I1, I2, I3, I4),
            new MultiKey(I2, I3, I4, I5, I6),
            new MultiKey(I3, I5, I6, I7, I8),
        };
    }

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Examples of org.apache.commons.collections.keyvalue.MultiKey

        };
    }


    public Object[] getOtherKeys() {
        return new Object[] {
            new MultiKey(I1, I7),
            new MultiKey(I1, I8),
            new MultiKey(I2, I4),
            new MultiKey(I2, I5),
        };
    }

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Examples of org.apache.commons.collections.keyvalue.MultiKey

        assertEquals(false, map.values().contains(null));
        try {
            map.put(null, null);
            fail();
        } catch (NullPointerException ex) {}
        assertEquals(null, map.put(new MultiKey(null, null), null));
        try {
            map.put(null, new Object());
            fail();
        } catch (NullPointerException ex) {}
    }

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Examples of org.apache.commons.collections.keyvalue.MultiKey

        MultiKeyMap multimap = (MultiKeyMap) map;
        MultiKey[] keys = getMultiKeyKeys();
        Object[] values = getSampleValues();
        
        for (int i = 0; i < keys.length; i++) {
            MultiKey key = keys[i];
            Object value = values[i];
            
            switch (key.size()) {
                case 2:
                assertEquals(value, multimap.get(key.getKey(0), key.getKey(1)));
                assertEquals(null, multimap.get(null, key.getKey(1)));
                assertEquals(null, multimap.get(key.getKey(0), null));
                assertEquals(null, multimap.get(null, null));
                assertEquals(null, multimap.get(key.getKey(0), key.getKey(1), null));
                assertEquals(null, multimap.get(key.getKey(0), key.getKey(1), null, null));
                assertEquals(null, multimap.get(key.getKey(0), key.getKey(1), null, null, null));
                break;
                case 3:
                assertEquals(value, multimap.get(key.getKey(0), key.getKey(1), key.getKey(2)));
                assertEquals(null, multimap.get(null, key.getKey(1), key.getKey(2)));
                assertEquals(null, multimap.get(key.getKey(0), null, key.getKey(2)));
                assertEquals(null, multimap.get(key.getKey(0), key.getKey(1), null));
                assertEquals(null, multimap.get(null, null, null));
                assertEquals(null, multimap.get(key.getKey(0), key.getKey(1), key.getKey(2), null));
                assertEquals(null, multimap.get(key.getKey(0), key.getKey(1), key.getKey(2), null, null));
                break;
                case 4:
                assertEquals(value, multimap.get(key.getKey(0), key.getKey(1), key.getKey(2), key.getKey(3)));
                assertEquals(null, multimap.get(null, key.getKey(1), key.getKey(2), key.getKey(3)));
                assertEquals(null, multimap.get(key.getKey(0), null, key.getKey(2), key.getKey(3)));
                assertEquals(null, multimap.get(key.getKey(0), key.getKey(1), null, key.getKey(3)));
                assertEquals(null, multimap.get(key.getKey(0), key.getKey(1), key.getKey(2), null));
                assertEquals(null, multimap.get(null, null, null, null));
                assertEquals(null, multimap.get(key.getKey(0), key.getKey(1), key.getKey(2), key.getKey(3), null));
                break;
                case 5:
                assertEquals(value, multimap.get(key.getKey(0), key.getKey(1), key.getKey(2), key.getKey(3), key.getKey(4)));
                assertEquals(null, multimap.get(null, key.getKey(1), key.getKey(2), key.getKey(3), key.getKey(4)));
                assertEquals(null, multimap.get(key.getKey(0), null, key.getKey(2), key.getKey(3), key.getKey(4)));
                assertEquals(null, multimap.get(key.getKey(0), key.getKey(1), null, key.getKey(3), key.getKey(4)));
                assertEquals(null, multimap.get(key.getKey(0), key.getKey(1), key.getKey(2), null, key.getKey(4)));
                assertEquals(null, multimap.get(key.getKey(0), key.getKey(1), key.getKey(2), key.getKey(3), null));
                assertEquals(null, multimap.get(null, null, null, null, null));
                break;
                default:
                fail("Invalid key size");
            }

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Examples of org.apache.commons.collections.keyvalue.MultiKey

        MultiKeyMap multimap = (MultiKeyMap) map;
        MultiKey[] keys = getMultiKeyKeys();
        Object[] values = getSampleValues();
        
        for (int i = 0; i < keys.length; i++) {
            MultiKey key = keys[i];
            Object value = values[i];
            
            switch (key.size()) {
                case 2:
                assertEquals(true, multimap.containsKey(key.getKey(0), key.getKey(1)));
                assertEquals(false, multimap.containsKey(null, key.getKey(1)));
                assertEquals(false, multimap.containsKey(key.getKey(0), null));
                assertEquals(false, multimap.containsKey(null, null));
                assertEquals(false, multimap.containsKey(key.getKey(0), key.getKey(1), null));
                assertEquals(false, multimap.containsKey(key.getKey(0), key.getKey(1), null, null));
                assertEquals(false, multimap.containsKey(key.getKey(0), key.getKey(1), null, null, null));
                break;
                case 3:
                assertEquals(true, multimap.containsKey(key.getKey(0), key.getKey(1), key.getKey(2)));
                assertEquals(false, multimap.containsKey(null, key.getKey(1), key.getKey(2)));
                assertEquals(false, multimap.containsKey(key.getKey(0), null, key.getKey(2)));
                assertEquals(false, multimap.containsKey(key.getKey(0), key.getKey(1), null));
                assertEquals(false, multimap.containsKey(null, null, null));
                assertEquals(false, multimap.containsKey(key.getKey(0), key.getKey(1), key.getKey(2), null));
                assertEquals(false, multimap.containsKey(key.getKey(0), key.getKey(1), key.getKey(2), null, null));
                break;
                case 4:
                assertEquals(true, multimap.containsKey(key.getKey(0), key.getKey(1), key.getKey(2), key.getKey(3)));
                assertEquals(false, multimap.containsKey(null, key.getKey(1), key.getKey(2), key.getKey(3)));
                assertEquals(false, multimap.containsKey(key.getKey(0), null, key.getKey(2), key.getKey(3)));
                assertEquals(false, multimap.containsKey(key.getKey(0), key.getKey(1), null, key.getKey(3)));
                assertEquals(false, multimap.containsKey(key.getKey(0), key.getKey(1), key.getKey(2), null));
                assertEquals(false, multimap.containsKey(null, null, null, null));
                assertEquals(false, multimap.containsKey(key.getKey(0), key.getKey(1), key.getKey(2), key.getKey(3), null));
                break;
                case 5:
                assertEquals(true, multimap.containsKey(key.getKey(0), key.getKey(1), key.getKey(2), key.getKey(3), key.getKey(4)));
                assertEquals(false, multimap.containsKey(null, key.getKey(1), key.getKey(2), key.getKey(3), key.getKey(4)));
                assertEquals(false, multimap.containsKey(key.getKey(0), null, key.getKey(2), key.getKey(3), key.getKey(4)));
                assertEquals(false, multimap.containsKey(key.getKey(0), key.getKey(1), null, key.getKey(3), key.getKey(4)));
                assertEquals(false, multimap.containsKey(key.getKey(0), key.getKey(1), key.getKey(2), null, key.getKey(4)));
                assertEquals(false, multimap.containsKey(key.getKey(0), key.getKey(1), key.getKey(2), key.getKey(3), null));
                assertEquals(false, multimap.containsKey(null, null, null, null, null));
                break;
                default:
                fail("Invalid key size");
            }

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Examples of org.apache.commons.collections.keyvalue.MultiKey

                return oldValue;
            }
            entry = entry.next;
        }
        
        map.addMapping(index, hashCode, new MultiKey(key1, key2), value);
        return null;
    }

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Examples of org.apache.commons.collections.keyvalue.MultiKey

     * @param key1  the first key
     * @param key2  the second key
     * @return true if the key matches
     */
    protected boolean isEqualKey(AbstractHashedMap.HashEntry entry, Object key1, Object key2) {
        MultiKey multi = (MultiKey) entry.getKey();
        return
            multi.size() == 2 &&
            (key1 == null ? multi.getKey(0) == null : key1.equals(multi.getKey(0))) &&
            (key2 == null ? multi.getKey(1) == null : key2.equals(multi.getKey(1)));
    }

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Examples of org.apache.commons.collections.keyvalue.MultiKey

                return oldValue;
            }
            entry = entry.next;
        }
        
        map.addMapping(index, hashCode, new MultiKey(key1, key2, key3), value);
        return null;
    }

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Examples of org.apache.commons.collections.keyvalue.MultiKey

     * @param key2  the second key
     * @param key3  the third key
     * @return true if the key matches
     */
    protected boolean isEqualKey(AbstractHashedMap.HashEntry entry, Object key1, Object key2, Object key3) {
        MultiKey multi = (MultiKey) entry.getKey();
        return
            multi.size() == 3 &&
            (key1 == null ? multi.getKey(0) == null : key1.equals(multi.getKey(0))) &&
            (key2 == null ? multi.getKey(1) == null : key2.equals(multi.getKey(1))) &&
            (key3 == null ? multi.getKey(2) == null : key3.equals(multi.getKey(2)));
    }

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Examples of org.apache.commons.collections.keyvalue.MultiKey

                return oldValue;
            }
            entry = entry.next;
        }
        
        map.addMapping(index, hashCode, new MultiKey(key1, key2, key3, key4), value);
        return null;
    }

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