Examples of com.gs.collections.impl.Counter

com.gs.collections.impl.Counter
A Counter can be used to increment and return an integer count. A Counter can be used in Anonymous inner classes if it is declared final, unlike an int, which once declared final cannot be modified.

    }


    @Override
    public int hashCode()
    {
        final Counter counter = new Counter();
        this.forEachWithOccurrences(new ObjectIntProcedure<T>()
        {
            public void value(T each, int count)
            {
                counter.add((each == null ? 0 : each.hashCode()) ^ count);
            }
        });
        return counter.getCount();
    }

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        return new TreeBag<T>(map);
    }


    public int occurrencesOf(Object item)
    {
        Counter counter = this.items.get(item);
        return counter == null ? 0 : counter.getCount();
    }

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    }


    @Override
    public boolean remove(Object item)
    {
        Counter counter = this.items.get(item);
        if (counter != null)
        {
            if (counter.getCount() > 1)
            {
                counter.decrement();
            }
            else
            {
                this.items.remove(item);
            }

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    }


    @Override
    public void forEachWithIndex(final ObjectIntProcedure<? super T> objectIntProcedure)
    {
        final Counter index = new Counter();
        this.items.forEachKeyValue(new Procedure2<T, Counter>()
        {
            public void value(T key, Counter value)
            {
                for (int i = 0; i < value.getCount(); i++)
                {
                    objectIntProcedure.value(key, index.getCount());
                    index.increment();
                }
            }
        });
    }

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        if (occurrences == 0)
        {
            return false;
        }


        Counter counter = this.items.get(item);
        if (counter == null)
        {
            return false;
        }
        int startCount = counter.getCount();


        if (occurrences >= startCount)
        {
            this.items.remove(item);
            this.size -= startCount;
            return true;
        }


        counter.add(occurrences * -1);
        this.size -= occurrences;
        return true;
    }

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    }


    @Override
    public <P> int countWith(final Predicate2<? super T, ? super P> predicate, final P parameter)
    {
        final Counter result = new Counter();
        this.forEachWithOccurrences(new ObjectIntProcedure<T>()
        {
            public void value(T each, int occurrences)
            {
                if (predicate.accept(each, parameter))
                {
                    result.add(occurrences);
                }
            }
        });
        return result.getCount();
    }

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    public boolean removeAllIterable(Iterable<?> iterable)
    {
        int oldSize = this.size;
        for (Object each : iterable)
        {
            Counter removed = this.items.remove(each);
            if (removed != null)
            {
                this.size -= removed.getCount();
            }
        }
        return this.size != oldSize;
    }

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    }


    @Override
    public int count(final Predicate<? super T> predicate)
    {
        final Counter result = new Counter();
        this.forEachWithOccurrences(new ObjectIntProcedure<T>()
        {
            public void value(T each, int occurrences)
            {
                if (predicate.accept(each))
                {
                    result.add(occurrences);
                }
            }
        });
        return result.getCount();
    }

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    }


    @Override
    public boolean add(T item)
    {
        Counter counter = this.items.getIfAbsentPut(item, NEW_COUNTER_BLOCK);
        counter.increment();
        this.size++;
        return true;
    }

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        private final ObjectIntProcedure<? super V> objectIntProcedure;


        private AdaptObjectIntProcedureToProcedure(ObjectIntProcedure<? super V> objectIntProcedure)
        {
            this.objectIntProcedure = objectIntProcedure;
            this.index = new Counter();
        }

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com.gs.collections.impl.bag.mutable.HashBag

com.gs.collections.impl.bag.mutable.primitive.ByteHashBag

com.gs.collections.impl.bag.mutable.primitive.CharHashBag

com.gs.collections.impl.bag.mutable.primitive.DoubleHashBag

com.gs.collections.impl.bag.mutable.primitive.FloatHashBag

com.gs.collections.impl.bag.mutable.primitive.IntHashBag

com.gs.collections.impl.bag.mutable.primitive.LongHashBag

com.gs.collections.impl.bag.mutable.primitive.ShortHashBag

com.gs.collections.impl.bag.sorted.mutable.TreeBag

com.gs.collections.impl.lazy.CompositeIterable

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