/*
* Copyright 2015 Goldman Sachs.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.gs.collections.impl.lazy.parallel.set;
import com.gs.collections.api.ParallelIterable;
import com.gs.collections.api.annotation.Beta;
import com.gs.collections.api.block.function.Function;
import com.gs.collections.api.block.function.Function2;
import com.gs.collections.api.block.predicate.Predicate;
import com.gs.collections.api.block.predicate.Predicate2;
import com.gs.collections.api.block.procedure.Procedure;
import com.gs.collections.api.multimap.set.MutableSetMultimap;
import com.gs.collections.api.multimap.set.UnsortedSetMultimap;
import com.gs.collections.api.set.ParallelUnsortedSetIterable;
import com.gs.collections.impl.block.factory.Functions;
import com.gs.collections.impl.block.factory.Predicates;
import com.gs.collections.impl.lazy.parallel.AbstractParallelIterable;
import com.gs.collections.impl.multimap.set.SynchronizedPutUnifiedSetMultimap;
@Beta
public abstract class AbstractParallelUnsortedSetIterable<T, B extends UnsortedSetBatch<T>> extends AbstractParallelIterable<T, B> implements ParallelUnsortedSetIterable<T>
{
@Override
protected boolean isOrdered()
{
return false;
}
public ParallelUnsortedSetIterable<T> asUnique()
{
return this;
}
public ParallelUnsortedSetIterable<T> select(Predicate<? super T> predicate)
{
return new ParallelSelectUnsortedSetIterable<T>(this, predicate);
}
public <P> ParallelUnsortedSetIterable<T> selectWith(Predicate2<? super T, ? super P> predicate, P parameter)
{
return this.select(Predicates.bind(predicate, parameter));
}
public <S> ParallelUnsortedSetIterable<S> selectInstancesOf(Class<S> clazz)
{
return (ParallelUnsortedSetIterable<S>) this.select(Predicates.instanceOf(clazz));
}
public ParallelUnsortedSetIterable<T> reject(Predicate<? super T> predicate)
{
return this.select(Predicates.not(predicate));
}
public <P> ParallelUnsortedSetIterable<T> rejectWith(Predicate2<? super T, ? super P> predicate, P parameter)
{
return this.reject(Predicates.bind(predicate, parameter));
}
public <V> ParallelIterable<V> collect(Function<? super T, ? extends V> function)
{
return new ParallelCollectIterable<T, V>(this, function);
}
public <P, V> ParallelIterable<V> collectWith(Function2<? super T, ? super P, ? extends V> function, P parameter)
{
return this.collect(Functions.bind(function, parameter));
}
public <V> ParallelIterable<V> collectIf(Predicate<? super T> predicate, Function<? super T, ? extends V> function)
{
return this.select(predicate).collect(function);
}
public <V> ParallelIterable<V> flatCollect(Function<? super T, ? extends Iterable<V>> function)
{
return new ParallelFlatCollectIterable<T, V>(this, function);
}
public <V> UnsortedSetMultimap<V, T> groupBy(final Function<? super T, ? extends V> function)
{
final MutableSetMultimap<V, T> result = SynchronizedPutUnifiedSetMultimap.newMultimap();
this.forEach(new Procedure<T>()
{
public void value(T each)
{
V key = function.valueOf(each);
result.put(key, each);
}
});
return result;
}
public <V> UnsortedSetMultimap<V, T> groupByEach(final Function<? super T, ? extends Iterable<V>> function)
{
final MutableSetMultimap<V, T> result = SynchronizedPutUnifiedSetMultimap.newMultimap();
this.forEach(new Procedure<T>()
{
public void value(T each)
{
Iterable<V> keys = function.valueOf(each);
for (V key : keys)
{
result.put(key, each);
}
}
});
return result;
}
}