Examples of HashBag

org.apache.commons.collections.bag.HashBag
Implements Bag, using a HashMap to provide the data storage. This is the standard implementation of a bag.
A Bag stores each object in the collection together with a count of occurrences. Extra methods on the interface allow multiple copies of an object to be added or removed at once. It is important to read the interface javadoc carefully as several methods violate the Collection interface specification. @since Commons Collections 3.0 (previously in main package v2.0) @version $Revision: 1.8 $ $Date: 2004/02/18 00:56:25 $ @author Chuck Burdick @author Stephen Colebourne
org.apache.commons.collections15.bag.HashBag
Implements Bag, using a HashMap to provide the data storage. This is the standard implementation of a bag.
A Bag stores each object in the collection together with a count of occurrences. Extra methods on the interface allow multiple copies of an object to be added or removed at once. It is important to read the interface javadoc carefully as several methods violate the Collection interface specification. @author Chuck Burdick @author Matt Hall, John Watkinson, Stephen Colebourne @version $Revision: 1.1 $ $Date: 2005/10/11 17:05:19 $ @since Commons Collections 3.0 (previously in main package v2.0)
org.apache.commons.collections4.bag.HashBag
Implements {@link Bag}, using a {@link HashMap} to provide thedata storage. This is the standard implementation of a bag.
A {@link Bag} stores each object in the collection together with acount of occurrences. Extra methods on the interface allow multiple copies of an object to be added or removed at once. It is important to read the interface javadoc carefully as several methods violate the {@link Collection} interface specification. @since 3.0 (previously in main package v2.0) @version $Id: HashBag.java 1477752 2013-04-30 18:21:52Z tn $

Examples of org.apache.commons.collections.bag.HashBag

            // expected
        }  
    }
    
    public void testPredicatedBag() {
        Bag bag = BagUtils.predicatedBag(new HashBag(), truePredicate);
        assertTrue("Returned object should be a PredicatedBag.",
            bag instanceof PredicatedBag);
        try {
            bag = BagUtils.predicatedBag(null,truePredicate);
            fail("Expecting IllegalArgumentException for null bag.");
        } catch (IllegalArgumentException ex) {
            // expected
        } 
        try {
            bag = BagUtils.predicatedBag(new HashBag(), null);
            fail("Expecting IllegalArgumentException for null predicate.");
        } catch (IllegalArgumentException ex) {
            // expected
        }  
    }

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Examples of org.apache.commons.collections.bag.HashBag

            // expected
        }  
    }
    
    public void testTypedBag() {
        Bag bag = BagUtils.typedBag(new HashBag(), stringClass);      
        assertTrue("Returned object should be a TypedBag.",
            bag instanceof PredicatedBag);
        try {
            bag = BagUtils.typedBag(null, stringClass);
            fail("Expecting IllegalArgumentException for null bag.");
        } catch (IllegalArgumentException ex) {
            // expected
        } 
        try {
            bag = BagUtils.typedBag(new HashBag(), null);
            fail("Expecting IllegalArgumentException for null type.");
        } catch (IllegalArgumentException ex) {
            // expected
        }  
    }

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Examples of org.apache.commons.collections.bag.HashBag

            // expected
        }  
    }
    
     public void testTransformedBag() {
        Bag bag = BagUtils.transformedBag(new HashBag(), nopTransformer);      
        assertTrue("Returned object should be an TransformedBag.",
            bag instanceof TransformedBag);
        try {
            bag = BagUtils.transformedBag(null, nopTransformer);      
            fail("Expecting IllegalArgumentException for null bag.");
        } catch (IllegalArgumentException ex) {
            // expected
        } 
        try {
            bag = BagUtils.transformedBag(new HashBag(), null);  
            fail("Expecting IllegalArgumentException for null transformer.");
        } catch (IllegalArgumentException ex) {
            // expected
        }  
    }

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Examples of org.apache.commons.collections.bag.HashBag

        assertEquals(0, CollectionUtils.cardinality("B", set));
        assertEquals(1, CollectionUtils.cardinality("C", set));
        assertEquals(0, CollectionUtils.cardinality("D", set));
        assertEquals(1, CollectionUtils.cardinality("E", set));


        Bag bag = new HashBag();
        bag.add("A", 3);
        bag.add("C");
        bag.add("E");
        bag.add("E");
        assertEquals(3, CollectionUtils.cardinality("A", bag));
        assertEquals(0, CollectionUtils.cardinality("B", bag));
        assertEquals(1, CollectionUtils.cardinality("C", bag));
        assertEquals(0, CollectionUtils.cardinality("D", bag));
        assertEquals(2, CollectionUtils.cardinality("E", bag));

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Examples of org.apache.commons.collections.bag.HashBag

        // Enumeration, non-existent entry -- "dead" enumerator returned
        test = CollectionUtils.index(en,3);
        assertTrue(test.equals(en) && !en.hasMoreElements());
        
        // Collection, entry exists
        Bag bag = new HashBag();
        bag.add("element", 1);
        test = CollectionUtils.index(bag, 0);
        assertTrue(test.equals("element"));
        
        // Collection, non-existent entry -- "dead" iterator returned
        test = CollectionUtils.index(bag, 2);

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Examples of org.apache.commons.collections.bag.HashBag

            assertTrue(!en.hasMoreElements());
        }
        
        {
            // Collection, entry exists
            Bag bag = new HashBag();
            bag.add("element", 1);
            assertEquals("element",CollectionUtils.get(bag, 0));
        
            // Collection, non-existent entry
            try {
                CollectionUtils.get(bag, 1);

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Examples of org.apache.commons.collections.bag.HashBag

{
    public void expose( JarIdentification identification, JarAnalyzer jarAnalyzer )
    {
        List entries = jarAnalyzer.getEntries();
        SimpleDateFormat tsformat = new SimpleDateFormat( "yyyyMMdd", Locale.US ); //$NON-NLS-1$
        Bag timestamps = new HashBag();
        Iterator it = entries.iterator();
        while ( it.hasNext() )
        {
            JarEntry entry = (JarEntry) it.next();
            long time = entry.getTime();
            String timestamp = tsformat.format( new Date( time ) );
            timestamps.add( timestamp );
        }


        it = timestamps.iterator();
        String ts = "";
        int tsmax = 0;
        while ( it.hasNext() )
        {
            String timestamp = (String) it.next();
            int count = timestamps.getCount( timestamp );
            if ( count > tsmax )
            {
                ts = timestamp;
                tsmax = count;
            }

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Examples of org.apache.commons.collections.bag.HashBag

    protected Transformer nopTransformer = TransformerUtils.nopTransformer();
    
    //----------------------------------------------------------------------
    
    public void testSynchronizedBag() {
        Bag bag = BagUtils.synchronizedBag(new HashBag());
        assertTrue("Returned object should be a SynchronizedBag.",
            bag instanceof SynchronizedBag);
        try {
            bag = BagUtils.synchronizedBag(null);
            fail("Expecting IllegalArgumentException for null bag.");

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Examples of org.apache.commons.collections.bag.HashBag

            // expected
        }  
    }
    
    public void testUnmodifiableBag() {
        Bag bag = BagUtils.unmodifiableBag(new HashBag());
        assertTrue("Returned object should be an UnmodifiableBag.",
            bag instanceof UnmodifiableBag);
        try {
            bag = BagUtils.unmodifiableBag(null);
            fail("Expecting IllegalArgumentException for null bag.");

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Examples of org.apache.commons.collections.bag.HashBag

            // expected
        }  
    }
    
    public void testPredicatedBag() {
        Bag bag = BagUtils.predicatedBag(new HashBag(), truePredicate);
        assertTrue("Returned object should be a PredicatedBag.",
            bag instanceof PredicatedBag);
        try {
            bag = BagUtils.predicatedBag(null,truePredicate);
            fail("Expecting IllegalArgumentException for null bag.");
        } catch (IllegalArgumentException ex) {
            // expected
        } 
        try {
            bag = BagUtils.predicatedBag(new HashBag(), null);
            fail("Expecting IllegalArgumentException for null predicate.");
        } catch (IllegalArgumentException ex) {
            // expected
        }  
    }

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