org.eclipse.collections.impl.collection.AbstractSynchronizedRichIterable Maven / Gradle / Ivy
/*
* Copyright (c) 2017 Goldman Sachs and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and Eclipse Distribution License v. 1.0 which accompany this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*/
package org.eclipse.collections.impl.collection;
import java.util.Collection;
import java.util.Comparator;
import java.util.Iterator;
import java.util.Optional;
import org.eclipse.collections.api.BooleanIterable;
import org.eclipse.collections.api.ByteIterable;
import org.eclipse.collections.api.CharIterable;
import org.eclipse.collections.api.DoubleIterable;
import org.eclipse.collections.api.FloatIterable;
import org.eclipse.collections.api.IntIterable;
import org.eclipse.collections.api.LazyIterable;
import org.eclipse.collections.api.LongIterable;
import org.eclipse.collections.api.RichIterable;
import org.eclipse.collections.api.ShortIterable;
import org.eclipse.collections.api.bag.Bag;
import org.eclipse.collections.api.bag.MutableBag;
import org.eclipse.collections.api.bag.MutableBagIterable;
import org.eclipse.collections.api.bag.sorted.MutableSortedBag;
import org.eclipse.collections.api.block.function.Function;
import org.eclipse.collections.api.block.function.Function0;
import org.eclipse.collections.api.block.function.Function2;
import org.eclipse.collections.api.block.function.primitive.BooleanFunction;
import org.eclipse.collections.api.block.function.primitive.ByteFunction;
import org.eclipse.collections.api.block.function.primitive.CharFunction;
import org.eclipse.collections.api.block.function.primitive.DoubleFunction;
import org.eclipse.collections.api.block.function.primitive.DoubleObjectToDoubleFunction;
import org.eclipse.collections.api.block.function.primitive.FloatFunction;
import org.eclipse.collections.api.block.function.primitive.FloatObjectToFloatFunction;
import org.eclipse.collections.api.block.function.primitive.IntFunction;
import org.eclipse.collections.api.block.function.primitive.IntObjectToIntFunction;
import org.eclipse.collections.api.block.function.primitive.LongFunction;
import org.eclipse.collections.api.block.function.primitive.LongObjectToLongFunction;
import org.eclipse.collections.api.block.function.primitive.ShortFunction;
import org.eclipse.collections.api.block.predicate.Predicate;
import org.eclipse.collections.api.block.predicate.Predicate2;
import org.eclipse.collections.api.block.procedure.Procedure;
import org.eclipse.collections.api.block.procedure.Procedure2;
import org.eclipse.collections.api.block.procedure.primitive.ObjectIntProcedure;
import org.eclipse.collections.api.collection.primitive.MutableBooleanCollection;
import org.eclipse.collections.api.collection.primitive.MutableByteCollection;
import org.eclipse.collections.api.collection.primitive.MutableCharCollection;
import org.eclipse.collections.api.collection.primitive.MutableDoubleCollection;
import org.eclipse.collections.api.collection.primitive.MutableFloatCollection;
import org.eclipse.collections.api.collection.primitive.MutableIntCollection;
import org.eclipse.collections.api.collection.primitive.MutableLongCollection;
import org.eclipse.collections.api.collection.primitive.MutableShortCollection;
import org.eclipse.collections.api.list.MutableList;
import org.eclipse.collections.api.map.MapIterable;
import org.eclipse.collections.api.map.MutableMap;
import org.eclipse.collections.api.map.primitive.ObjectDoubleMap;
import org.eclipse.collections.api.map.primitive.ObjectLongMap;
import org.eclipse.collections.api.map.sorted.MutableSortedMap;
import org.eclipse.collections.api.multimap.Multimap;
import org.eclipse.collections.api.multimap.MutableMultimap;
import org.eclipse.collections.api.partition.PartitionIterable;
import org.eclipse.collections.api.set.MutableSet;
import org.eclipse.collections.api.set.sorted.MutableSortedSet;
import org.eclipse.collections.api.tuple.Pair;
import org.eclipse.collections.impl.block.factory.Comparators;
import org.eclipse.collections.impl.map.mutable.UnifiedMap;
import org.eclipse.collections.impl.utility.LazyIterate;
public abstract class AbstractSynchronizedRichIterable implements RichIterable
{
protected final Object lock;
protected final RichIterable delegate;
protected AbstractSynchronizedRichIterable(RichIterable delegate, Object lock)
{
if (delegate == null)
{
throw new IllegalArgumentException("Cannot create a AbstractSynchronizedRichIterable on a null collection");
}
this.delegate = delegate;
this.lock = lock == null ? this : lock;
}
protected RichIterable getDelegate()
{
return this.delegate;
}
protected Object getLock()
{
return this.lock;
}
@Override
public boolean equals(Object obj)
{
synchronized (this.lock)
{
return this.delegate.equals(obj);
}
}
@Override
public int hashCode()
{
synchronized (this.lock)
{
return this.delegate.hashCode();
}
}
@Override
public String toString()
{
synchronized (this.lock)
{
return this.delegate.toString();
}
}
/**
* Must be called in a synchronized block.
*/
@Override
public Iterator iterator()
{
return this.delegate.iterator();
}
@Override
public void forEach(Procedure procedure)
{
this.each(procedure);
}
@Override
public void forEachWithIndex(ObjectIntProcedure objectIntProcedure)
{
synchronized (this.lock)
{
this.delegate.forEachWithIndex(objectIntProcedure);
}
}
@Override
public void forEachWith(Procedure2 procedure, P parameter)
{
synchronized (this.lock)
{
this.delegate.forEachWith(procedure, parameter);
}
}
@Override
public int size()
{
synchronized (this.lock)
{
return this.delegate.size();
}
}
@Override
public boolean isEmpty()
{
synchronized (this.lock)
{
return this.delegate.isEmpty();
}
}
@Override
public boolean notEmpty()
{
synchronized (this.lock)
{
return this.delegate.notEmpty();
}
}
@Override
public T getFirst()
{
synchronized (this.lock)
{
return this.delegate.getFirst();
}
}
@Override
public T getLast()
{
synchronized (this.lock)
{
return this.delegate.getLast();
}
}
@Override
public boolean contains(Object o)
{
synchronized (this.lock)
{
return this.delegate.contains(o);
}
}
@Override
public boolean containsAllIterable(Iterable source)
{
synchronized (this.lock)
{
return this.delegate.containsAllIterable(source);
}
}
@Override
public boolean containsAll(Collection coll)
{
synchronized (this.lock)
{
return this.delegate.containsAll(coll);
}
}
@Override
public boolean containsAllArguments(Object... elements)
{
synchronized (this.lock)
{
return this.delegate.containsAllArguments(elements);
}
}
@Override
public void each(Procedure procedure)
{
synchronized (this.lock)
{
this.delegate.forEach(procedure);
}
}
@Override
public RichIterable select(Predicate predicate)
{
synchronized (this.lock)
{
return this.delegate.select(predicate);
}
}
@Override
public > R select(Predicate predicate, R target)
{
synchronized (this.lock)
{
return this.delegate.select(predicate, target);
}
}
@Override
public RichIterable selectWith(Predicate2 predicate, P parameter)
{
synchronized (this.lock)
{
return this.delegate.selectWith(predicate, parameter);
}
}
@Override
public > R selectWith(
Predicate2 predicate,
P parameter,
R targetCollection)
{
synchronized (this.lock)
{
return this.delegate.selectWith(predicate, parameter, targetCollection);
}
}
@Override
public RichIterable reject(Predicate predicate)
{
synchronized (this.lock)
{
return this.delegate.reject(predicate);
}
}
@Override
public RichIterable rejectWith(Predicate2 predicate, P parameter)
{
synchronized (this.lock)
{
return this.delegate.rejectWith(predicate, parameter);
}
}
@Override
public > R reject(Predicate predicate, R target)
{
synchronized (this.lock)
{
return this.delegate.reject(predicate, target);
}
}
@Override
public > R rejectWith(
Predicate2 predicate,
P parameter,
R targetCollection)
{
synchronized (this.lock)
{
return this.delegate.rejectWith(predicate, parameter, targetCollection);
}
}
@Override
public PartitionIterable partition(Predicate predicate)
{
synchronized (this.lock)
{
return this.delegate.partition(predicate);
}
}
@Override
public PartitionIterable partitionWith(Predicate2 predicate, P parameter)
{
synchronized (this.lock)
{
return this.delegate.partitionWith(predicate, parameter);
}
}
@Override
public RichIterable selectInstancesOf(Class clazz)
{
synchronized (this.lock)
{
return this.delegate.selectInstancesOf(clazz);
}
}
@Override
public RichIterable collect(Function function)
{
synchronized (this.lock)
{
return this.delegate.collect(function);
}
}
@Override
public BooleanIterable collectBoolean(BooleanFunction booleanFunction)
{
synchronized (this.lock)
{
return this.delegate.collectBoolean(booleanFunction);
}
}
@Override
public R collectBoolean(BooleanFunction booleanFunction, R target)
{
synchronized (this.lock)
{
return this.delegate.collectBoolean(booleanFunction, target);
}
}
@Override
public R collectByte(ByteFunction byteFunction, R target)
{
synchronized (this.lock)
{
return this.delegate.collectByte(byteFunction, target);
}
}
@Override
public R collectChar(CharFunction charFunction, R target)
{
synchronized (this.lock)
{
return this.delegate.collectChar(charFunction, target);
}
}
@Override
public R collectDouble(DoubleFunction doubleFunction, R target)
{
synchronized (this.lock)
{
return this.delegate.collectDouble(doubleFunction, target);
}
}
@Override
public R collectFloat(FloatFunction floatFunction, R target)
{
synchronized (this.lock)
{
return this.delegate.collectFloat(floatFunction, target);
}
}
@Override
public R collectInt(IntFunction intFunction, R target)
{
synchronized (this.lock)
{
return this.delegate.collectInt(intFunction, target);
}
}
@Override
public R collectLong(LongFunction longFunction, R target)
{
synchronized (this.lock)
{
return this.delegate.collectLong(longFunction, target);
}
}
@Override
public R collectShort(ShortFunction shortFunction, R target)
{
synchronized (this.lock)
{
return this.delegate.collectShort(shortFunction, target);
}
}
@Override
public > R collect(Function function, R target)
{
synchronized (this.lock)
{
return this.delegate.collect(function, target);
}
}
@Override
public > R collectWith(
Function2 function,
P parameter,
R targetCollection)
{
synchronized (this.lock)
{
return this.delegate.collectWith(function, parameter, targetCollection);
}
}
@Override
public > R collectIf(
Predicate predicate,
Function function,
R target)
{
synchronized (this.lock)
{
return this.delegate.collectIf(predicate, function, target);
}
}
@Override
public > R flatCollect(Function> function, R target)
{
synchronized (this.lock)
{
return this.delegate.flatCollect(function, target);
}
}
@Override
public T detect(Predicate predicate)
{
synchronized (this.lock)
{
return this.delegate.detect(predicate);
}
}
@Override
public T detectWith(Predicate2 predicate, P parameter)
{
synchronized (this.lock)
{
return this.delegate.detectWith(predicate, parameter);
}
}
@Override
public Optional detectOptional(Predicate predicate)
{
synchronized (this.lock)
{
return this.delegate.detectOptional(predicate);
}
}
@Override
public Optional detectWithOptional(Predicate2 predicate, P parameter)
{
synchronized (this.lock)
{
return this.delegate.detectWithOptional(predicate, parameter);
}
}
@Override
public T detectIfNone(Predicate predicate, Function0 function)
{
synchronized (this.lock)
{
return this.delegate.detectIfNone(predicate, function);
}
}
@Override
public T detectWithIfNone(
Predicate2 predicate,
P parameter,
Function0 function)
{
synchronized (this.lock)
{
return this.delegate.detectWithIfNone(predicate, parameter, function);
}
}
@Override
public int count(Predicate predicate)
{
synchronized (this.lock)
{
return this.delegate.count(predicate);
}
}
@Override
public
int countWith(Predicate2 predicate, P parameter)
{
synchronized (this.lock)
{
return this.delegate.countWith(predicate, parameter);
}
}
@Override
public boolean anySatisfy(Predicate predicate)
{
synchronized (this.lock)
{
return this.delegate.anySatisfy(predicate);
}
}
@Override
public
boolean anySatisfyWith(Predicate2 predicate, P parameter)
{
synchronized (this.lock)
{
return this.delegate.anySatisfyWith(predicate, parameter);
}
}
@Override
public boolean allSatisfy(Predicate predicate)
{
synchronized (this.lock)
{
return this.delegate.allSatisfy(predicate);
}
}
@Override
public
boolean allSatisfyWith(Predicate2 predicate, P parameter)
{
synchronized (this.lock)
{
return this.delegate.allSatisfyWith(predicate, parameter);
}
}
@Override
public boolean noneSatisfy(Predicate predicate)
{
synchronized (this.lock)
{
return this.delegate.noneSatisfy(predicate);
}
}
@Override
public
boolean noneSatisfyWith(Predicate2 predicate, P parameter)
{
synchronized (this.lock)
{
return this.delegate.noneSatisfyWith(predicate, parameter);
}
}
@Override
public IV injectInto(IV injectedValue, Function2 function)
{
synchronized (this.lock)
{
return this.delegate.injectInto(injectedValue, function);
}
}
@Override
public int injectInto(int injectedValue, IntObjectToIntFunction function)
{
synchronized (this.lock)
{
return this.delegate.injectInto(injectedValue, function);
}
}
@Override
public long injectInto(long injectedValue, LongObjectToLongFunction function)
{
synchronized (this.lock)
{
return this.delegate.injectInto(injectedValue, function);
}
}
@Override
public float injectInto(float injectedValue, FloatObjectToFloatFunction function)
{
synchronized (this.lock)
{
return this.delegate.injectInto(injectedValue, function);
}
}
@Override
public double injectInto(double injectedValue, DoubleObjectToDoubleFunction function)
{
synchronized (this.lock)
{
return this.delegate.injectInto(injectedValue, function);
}
}
@Override
public > R into(R target)
{
synchronized (this.lock)
{
return this.delegate.into(target);
}
}
@Override
public MutableList toList()
{
synchronized (this.lock)
{
return this.delegate.toList();
}
}
@Override
public MutableList toSortedList()
{
synchronized (this.lock)
{
return this.delegate.toSortedList();
}
}
@Override
public MutableList toSortedList(Comparator comparator)
{
synchronized (this.lock)
{
return this.delegate.toSortedList(comparator);
}
}
@Override
public > MutableList toSortedListBy(Function function)
{
synchronized (this.lock)
{
return this.delegate.toSortedList(Comparators.byFunction(function));
}
}
@Override
public MutableSet toSet()
{
synchronized (this.lock)
{
return this.delegate.toSet();
}
}
@Override
public MutableSortedSet toSortedSet()
{
synchronized (this.lock)
{
return this.delegate.toSortedSet();
}
}
@Override
public MutableSortedSet toSortedSet(Comparator comparator)
{
synchronized (this.lock)
{
return this.delegate.toSortedSet(comparator);
}
}
@Override
public > MutableSortedSet toSortedSetBy(Function function)
{
synchronized (this.lock)
{
return this.delegate.toSortedSetBy(function);
}
}
@Override
public MutableBag toBag()
{
synchronized (this.lock)
{
return this.delegate.toBag();
}
}
@Override
public MutableSortedBag toSortedBag()
{
synchronized (this.lock)
{
return this.delegate.toSortedBag();
}
}
@Override
public MutableSortedBag toSortedBag(Comparator comparator)
{
synchronized (this.lock)
{
return this.delegate.toSortedBag(comparator);
}
}
@Override
public > MutableSortedBag toSortedBagBy(Function function)
{
synchronized (this.lock)
{
return this.delegate.toSortedBag(Comparators.byFunction(function));
}
}
@Override
public MutableMap toMap(
Function keyFunction,
Function valueFunction)
{
synchronized (this.lock)
{
return this.delegate.toMap(keyFunction, valueFunction);
}
}
@Override
public MutableSortedMap toSortedMap(
Function keyFunction,
Function valueFunction)
{
synchronized (this.lock)
{
return this.delegate.toSortedMap(keyFunction, valueFunction);
}
}
@Override
public MutableSortedMap toSortedMap(Comparator comparator,
Function keyFunction,
Function valueFunction)
{
synchronized (this.lock)
{
return this.delegate.toSortedMap(comparator, keyFunction, valueFunction);
}
}
@Override
public LazyIterable asLazy()
{
return LazyIterate.adapt(this);
}
@Override
public Object[] toArray()
{
synchronized (this.lock)
{
return this.delegate.toArray();
}
}
@Override
public T[] toArray(T[] a)
{
synchronized (this.lock)
{
return this.delegate.toArray(a);
}
}
@Override
public T min(Comparator comparator)
{
synchronized (this.lock)
{
return this.delegate.min(comparator);
}
}
@Override
public T max(Comparator comparator)
{
synchronized (this.lock)
{
return this.delegate.max(comparator);
}
}
@Override
public Optional minOptional(Comparator comparator)
{
synchronized (this.lock)
{
return this.delegate.minOptional(comparator);
}
}
@Override
public Optional maxOptional(Comparator comparator)
{
synchronized (this.lock)
{
return this.delegate.maxOptional(comparator);
}
}
@Override
public T min()
{
synchronized (this.lock)
{
return this.delegate.min();
}
}
@Override
public T max()
{
synchronized (this.lock)
{
return this.delegate.max();
}
}
@Override
public Optional minOptional()
{
synchronized (this.lock)
{
return this.delegate.minOptional();
}
}
@Override
public Optional maxOptional()
{
synchronized (this.lock)
{
return this.delegate.maxOptional();
}
}
@Override
public > T minBy(Function function)
{
synchronized (this.lock)
{
return this.delegate.minBy(function);
}
}
@Override
public > T maxBy(Function function)
{
synchronized (this.lock)
{
return this.delegate.maxBy(function);
}
}
@Override
public > Optional minByOptional(Function function)
{
synchronized (this.lock)
{
return this.delegate.minByOptional(function);
}
}
@Override
public > Optional maxByOptional(Function function)
{
synchronized (this.lock)
{
return this.delegate.maxByOptional(function);
}
}
@Override
public long sumOfInt(IntFunction function)
{
synchronized (this.lock)
{
return this.delegate.sumOfInt(function);
}
}
@Override
public double sumOfFloat(FloatFunction function)
{
synchronized (this.lock)
{
return this.delegate.sumOfFloat(function);
}
}
@Override
public long sumOfLong(LongFunction function)
{
synchronized (this.lock)
{
return this.delegate.sumOfLong(function);
}
}
@Override
public double sumOfDouble(DoubleFunction function)
{
synchronized (this.lock)
{
return this.delegate.sumOfDouble(function);
}
}
@Override
public String makeString()
{
synchronized (this.lock)
{
return this.delegate.makeString();
}
}
@Override
public String makeString(String separator)
{
synchronized (this.lock)
{
return this.delegate.makeString(separator);
}
}
@Override
public String makeString(String start, String separator, String end)
{
synchronized (this.lock)
{
return this.delegate.makeString(start, separator, end);
}
}
@Override
public void appendString(Appendable appendable)
{
synchronized (this.lock)
{
this.delegate.appendString(appendable);
}
}
@Override
public void appendString(Appendable appendable, String separator)
{
synchronized (this.lock)
{
this.delegate.appendString(appendable, separator);
}
}
@Override
public void appendString(Appendable appendable, String start, String separator, String end)
{
synchronized (this.lock)
{
this.delegate.appendString(appendable, start, separator, end);
}
}
/**
* @since 9.0
*/
@Override
public Bag countBy(Function function)
{
synchronized (this.lock)
{
return this.getDelegate().countBy(function);
}
}
/**
* @since 9.0
*/
@Override
public > R countBy(Function function, R target)
{
synchronized (this.lock)
{
return this.delegate.countBy(function, target);
}
}
/**
* @since 9.0
*/
@Override
public Bag countByWith(Function2 function, P parameter)
{
synchronized (this.lock)
{
return this.delegate.countByWith(function, parameter);
}
}
/**
* @since 9.0
*/
@Override
public > R countByWith(Function2 function, P parameter, R target)
{
synchronized (this.lock)
{
return this.delegate.countByWith(function, parameter, target);
}
}
@Override
public > R groupBy(
Function function,
R target)
{
synchronized (this.lock)
{
return this.delegate.groupBy(function, target);
}
}
@Override
public > R groupByEach(
Function> function,
R target)
{
synchronized (this.lock)
{
return this.delegate.groupByEach(function, target);
}
}
@Override
public MapIterable groupByUniqueKey(Function function)
{
synchronized (this.lock)
{
return this.delegate.groupByUniqueKey(function, UnifiedMap.newMap());
}
}
@Override
public > R groupByUniqueKey(
Function function,
R target)
{
synchronized (this.lock)
{
return this.delegate.groupByUniqueKey(function, target);
}
}
@Override
public >> R zip(Iterable that, R target)
{
synchronized (this.lock)
{
return this.delegate.zip(that, target);
}
}
@Override
public >> R zipWithIndex(R target)
{
synchronized (this.lock)
{
return this.delegate.zipWithIndex(target);
}
}
@Override
public RichIterable> chunk(int size)
{
synchronized (this.lock)
{
return this.delegate.chunk(size);
}
}
@Override
public T getOnly()
{
synchronized (this.lock)
{
return this.delegate.getOnly();
}
}
@Override
public ByteIterable collectByte(ByteFunction byteFunction)
{
synchronized (this.lock)
{
return this.delegate.collectByte(byteFunction);
}
}
@Override
public CharIterable collectChar(CharFunction charFunction)
{
synchronized (this.lock)
{
return this.delegate.collectChar(charFunction);
}
}
@Override
public DoubleIterable collectDouble(DoubleFunction doubleFunction)
{
synchronized (this.lock)
{
return this.delegate.collectDouble(doubleFunction);
}
}
@Override
public FloatIterable collectFloat(FloatFunction floatFunction)
{
synchronized (this.lock)
{
return this.delegate.collectFloat(floatFunction);
}
}
@Override
public IntIterable collectInt(IntFunction intFunction)
{
synchronized (this.lock)
{
return this.delegate.collectInt(intFunction);
}
}
@Override
public LongIterable collectLong(LongFunction longFunction)
{
synchronized (this.lock)
{
return this.delegate.collectLong(longFunction);
}
}
@Override
public ShortIterable collectShort(ShortFunction shortFunction)
{
synchronized (this.lock)
{
return this.delegate.collectShort(shortFunction);
}
}
@Override
public RichIterable collectWith(Function2 function, P parameter)
{
synchronized (this.lock)
{
return this.delegate.collectWith(function, parameter);
}
}
@Override
public RichIterable collectIf(Predicate predicate, Function function)
{
synchronized (this.lock)
{
return this.delegate.collectIf(predicate, function);
}
}
@Override
public RichIterable flatCollect(Function> function)
{
synchronized (this.lock)
{
return this.delegate.flatCollect(function);
}
}
@Override
public ObjectLongMap sumByInt(Function groupBy, IntFunction function)
{
synchronized (this.lock)
{
return this.delegate.sumByInt(groupBy, function);
}
}
@Override
public ObjectDoubleMap sumByFloat(Function groupBy, FloatFunction function)
{
synchronized (this.lock)
{
return this.delegate.sumByFloat(groupBy, function);
}
}
@Override
public ObjectLongMap sumByLong(Function groupBy, LongFunction function)
{
synchronized (this.lock)
{
return this.delegate.sumByLong(groupBy, function);
}
}
@Override
public ObjectDoubleMap sumByDouble(Function groupBy, DoubleFunction function)
{
synchronized (this.lock)
{
return this.delegate.sumByDouble(groupBy, function);
}
}
@Override
public Multimap groupBy(Function function)
{
synchronized (this.lock)
{
return this.delegate.groupBy(function);
}
}
@Override
public Multimap groupByEach(Function> function)
{
synchronized (this.lock)
{
return this.delegate.groupByEach(function);
}
}
@Override
public RichIterable> zip(Iterable that)
{
synchronized (this.lock)
{
return this.delegate.zip(that);
}
}
@Override
public RichIterable> zipWithIndex()
{
synchronized (this.lock)
{
return this.delegate.zipWithIndex();
}
}
@Override
public MapIterable aggregateInPlaceBy(Function groupBy, Function0 zeroValueFactory, Procedure2 mutatingAggregator)
{
synchronized (this.lock)
{
return this.delegate.aggregateInPlaceBy(groupBy, zeroValueFactory, mutatingAggregator);
}
}
@Override
public MapIterable aggregateBy(Function groupBy, Function0 zeroValueFactory, Function2 nonMutatingAggregator)
{
synchronized (this.lock)
{
return this.delegate.aggregateBy(groupBy, zeroValueFactory, nonMutatingAggregator);
}
}
@Override
public RichIterable tap(Procedure procedure)
{
synchronized (this.lock)
{
this.forEach(procedure);
return this;
}
}
}