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

Package org.apache.commons.collections.keyvalue

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

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

/*     */   public boolean removeAll(Object key1, Object key2, Object key3, Object key4)
/*     */   {
/* 776 */     boolean modified = false;
/* 777 */     MapIterator it = mapIterator();
/* 778 */     while (it.hasNext()) {
/* 779 */       MultiKey multi = (MultiKey)it.next();
/* 780 */       if ((multi.size() >= 4) && (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))) && (key4 == null ? multi.getKey(3) == null : key4.equals(multi.getKey(3))))
/*     */       {
/* 785 */         it.remove();
/* 786 */         modified = true;
/*     */       }
/*     */     }

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        assertEquals(12, multimap.size());
        
        multimap.removeAll(I1);
        assertEquals(8, multimap.size());
        for (MapIterator it = multimap.mapIterator(); it.hasNext();) {
            MultiKey key = (MultiKey) it.next();
            assertEquals(false, I1.equals(key.getKey(0)));
        }
    }

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        assertEquals(12, multimap.size());
        
        multimap.removeAll(I2, I3);
        assertEquals(9, multimap.size());
        for (MapIterator it = multimap.mapIterator(); it.hasNext();) {
            MultiKey key = (MultiKey) it.next();
            assertEquals(false, I2.equals(key.getKey(0)) && I3.equals(key.getKey(1)));
        }
    }

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        assertEquals(12, multimap.size());
        
        multimap.removeAll(I1, I1, I2);
        assertEquals(9, multimap.size());
        for (MapIterator it = multimap.mapIterator(); it.hasNext();) {
            MultiKey key = (MultiKey) it.next();
            assertEquals(false, I1.equals(key.getKey(0)) && I1.equals(key.getKey(1)) && I2.equals(key.getKey(2)));
        }
    }

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        assertEquals(12, multimap.size());
        
        multimap.removeAll(I1, I1, I2, I3);
        assertEquals(10, multimap.size());
        for (MapIterator it = multimap.mapIterator(); it.hasNext();) {
            MultiKey key = (MultiKey) it.next();
            assertEquals(false, I1.equals(key.getKey(0)) && I1.equals(key.getKey(1)) && I2.equals(key.getKey(2)) && key.size() >= 4 && I3.equals(key.getKey(3)));
        }
    }

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    }
    
    //-----------------------------------------------------------------------
    public void testClone() {
        MultiKeyMap map = new MultiKeyMap();
        map.put(new MultiKey(I1, I2), "1-2");
        Map cloned = (Map) map.clone();
        assertEquals(map.size(), cloned.size());
        assertSame(map.get(new MultiKey(I1, I2)), cloned.get(new MultiKey(I1, I2)));
    }

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        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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        };
    }


    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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        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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        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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