package org.eclipse.collections.impl.lazy.parallel;
import org.eclipse.collections.api.ParallelIterable;
import org.eclipse.collections.api.annotation.Beta;
import org.eclipse.collections.api.block.function.Function;
import org.eclipse.collections.api.block.function.Function2;
import org.eclipse.collections.api.block.predicate.Predicate;
import org.eclipse.collections.api.block.predicate.Predicate2;
import org.eclipse.collections.api.multimap.bag.MutableBagMultimap;
import org.eclipse.collections.api.multimap.bag.UnsortedBagMultimap;
import org.eclipse.collections.api.set.ParallelUnsortedSetIterable;
import org.eclipse.collections.impl.block.factory.Functions;
import org.eclipse.collections.impl.block.factory.Predicates;
import org.eclipse.collections.impl.lazy.parallel.set.ParallelCollectIterable;
import org.eclipse.collections.impl.lazy.parallel.set.ParallelFlatCollectIterable;
import org.eclipse.collections.impl.multimap.bag.SynchronizedPutHashBagMultimap;
@Beta
public abstract class AbstractParallelIterableImpl<T, B extends Batch<T>> extends AbstractParallelIterable<T, B>
{
@Override
protected boolean isOrdered()
{
return false;
}
@Override
public ParallelUnsortedSetIterable<T> asUnique()
{
return new ParallelDistinctIterable<>(this);
}
@Override
public ParallelIterable<T> select(Predicate<? super T> predicate)
{
return new ParallelSelectIterable<>(this, predicate);
}
@Override
public <P> ParallelIterable<T> selectWith(Predicate2<? super T, ? super P> predicate, P parameter)
{
return this.select(Predicates.bind(predicate, parameter));
}
@Override
public <S> ParallelIterable<S> selectInstancesOf(Class<S> clazz)
{
return (ParallelIterable<S>) this.select(Predicates.instanceOf(clazz));
}
@Override
public ParallelIterable<T> reject(Predicate<? super T> predicate)
{
return this.select(Predicates.not(predicate));
}
@Override
public <P> ParallelIterable<T> rejectWith(Predicate2<? super T, ? super P> predicate, P parameter)
{
return this.reject(Predicates.bind(predicate, parameter));
}
@Override
public <V> ParallelIterable<V> collect(Function<? super T, ? extends V> function)
{
return new ParallelCollectIterable<>(this, function);
}
@Override
public <P, V> ParallelIterable<V> collectWith(Function2<? super T, ? super P, ? extends V> function, P parameter)
{
return this.collect(Functions.bind(function, parameter));
}
@Override
public <V> ParallelIterable<V> collectIf(Predicate<? super T> predicate, Function<? super T, ? extends V> function)
{
return this.select(predicate).collect(function);
}
@Override
public <V> ParallelIterable<V> flatCollect(Function<? super T, ? extends Iterable<V>> function)
{
return new ParallelFlatCollectIterable<>(this, function);
}
@Override
public <V> UnsortedBagMultimap<V, T> groupBy(Function<? super T, ? extends V> function)
{
MutableBagMultimap<V, T> result = SynchronizedPutHashBagMultimap.newMultimap();
this.forEach(each -> {
V key = function.valueOf(each);
result.put(key, each);
});
return result;
}
@Override
public <V> UnsortedBagMultimap<V, T> groupByEach(Function<? super T, ? extends Iterable<V>> function)
{
MutableBagMultimap<V, T> result = SynchronizedPutHashBagMultimap.newMultimap();
this.forEach(each -> {
Iterable<V> keys = function.valueOf(each);
for (V key : keys)
{
result.put(key, each);
}
});
return result;
}
}