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MutableBag.java
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MutableBag.java
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/*
* Copyright (c) 2018 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.api.bag;
import org.eclipse.collections.api.bag.primitive.MutableBooleanBag;
import org.eclipse.collections.api.bag.primitive.MutableByteBag;
import org.eclipse.collections.api.bag.primitive.MutableCharBag;
import org.eclipse.collections.api.bag.primitive.MutableDoubleBag;
import org.eclipse.collections.api.bag.primitive.MutableFloatBag;
import org.eclipse.collections.api.bag.primitive.MutableIntBag;
import org.eclipse.collections.api.bag.primitive.MutableLongBag;
import org.eclipse.collections.api.bag.primitive.MutableShortBag;
import org.eclipse.collections.api.block.function.Function;
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.FloatFunction;
import org.eclipse.collections.api.block.function.primitive.IntFunction;
import org.eclipse.collections.api.block.function.primitive.LongFunction;
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.predicate.primitive.IntPredicate;
import org.eclipse.collections.api.block.procedure.Procedure;
import org.eclipse.collections.api.map.MutableMap;
import org.eclipse.collections.api.multimap.bag.MutableBagMultimap;
import org.eclipse.collections.api.ordered.OrderedIterable;
import org.eclipse.collections.api.partition.bag.PartitionMutableBag;
import org.eclipse.collections.api.set.MutableSet;
import org.eclipse.collections.api.tuple.Pair;
/**
* A MutableBag is a Collection whose elements are unordered and may contain duplicate entries. It varies from
* MutableCollection in that it adds a protocol for determining, adding, and removing the number of occurrences for an
* item.
*
* @since 1.0
*/
public interface MutableBag<T>
extends UnsortedBag<T>, MutableBagIterable<T>
{
@Override
MutableMap<T, Integer> toMapOfItemToCount();
@Override
MutableBag<T> selectByOccurrences(IntPredicate predicate);
/**
* @since 9.2
*/
@Override
default MutableBag<T> selectDuplicates()
{
return this.selectByOccurrences(occurrences -> occurrences > 1);
}
@Override
MutableBag<T> with(T element);
@Override
MutableBag<T> without(T element);
@Override
MutableBag<T> withAll(Iterable<? extends T> elements);
@Override
MutableBag<T> withoutAll(Iterable<? extends T> elements);
@Override
MutableBag<T> newEmpty();
@Override
MutableBag<T> asUnmodifiable();
@Override
MutableBag<T> asSynchronized();
@Override
PartitionMutableBag<T> partition(Predicate<? super T> predicate);
@Override
<P> PartitionMutableBag<T> partitionWith(Predicate2<? super T, ? super P> predicate, P parameter);
@Override
<V> MutableBagMultimap<V, T> groupBy(Function<? super T, ? extends V> function);
@Override
<V> MutableBagMultimap<V, T> groupByEach(Function<? super T, ? extends Iterable<V>> function);
/**
* @since 9.0
*/
@Override
default <V> MutableBag<V> countBy(Function<? super T, ? extends V> function)
{
return this.collect(function);
}
/**
* @since 9.0
*/
@Override
default <V, P> MutableBag<V> countByWith(Function2<? super T, ? super P, ? extends V> function, P parameter)
{
return this.collectWith(function, parameter);
}
/**
* @deprecated in 6.0. Use {@link OrderedIterable#zip(Iterable)} instead.
*/
@Override
@Deprecated
<S> MutableBag<Pair<T, S>> zip(Iterable<S> that);
/**
* @deprecated in 6.0. Use {@link OrderedIterable#zipWithIndex()} instead.
*/
@Override
@Deprecated
MutableSet<Pair<T, Integer>> zipWithIndex();
@Override
MutableBag<T> tap(Procedure<? super T> procedure);
@Override
MutableBag<T> select(Predicate<? super T> predicate);
@Override
<P> MutableBag<T> selectWith(Predicate2<? super T, ? super P> predicate, P parameter);
@Override
MutableBag<T> reject(Predicate<? super T> predicate);
@Override
<P> MutableBag<T> rejectWith(Predicate2<? super T, ? super P> predicate, P parameter);
@Override
<S> MutableBag<S> selectInstancesOf(Class<S> clazz);
@Override
<V> MutableBag<V> collect(Function<? super T, ? extends V> function);
@Override
MutableByteBag collectByte(ByteFunction<? super T> byteFunction);
@Override
MutableCharBag collectChar(CharFunction<? super T> charFunction);
@Override
MutableIntBag collectInt(IntFunction<? super T> intFunction);
@Override
MutableBooleanBag collectBoolean(BooleanFunction<? super T> booleanFunction);
@Override
MutableDoubleBag collectDouble(DoubleFunction<? super T> doubleFunction);
@Override
MutableFloatBag collectFloat(FloatFunction<? super T> floatFunction);
@Override
MutableLongBag collectLong(LongFunction<? super T> longFunction);
@Override
MutableShortBag collectShort(ShortFunction<? super T> shortFunction);
@Override
<P, V> MutableBag<V> collectWith(Function2<? super T, ? super P, ? extends V> function, P parameter);
@Override
<V> MutableBag<V> collectIf(Predicate<? super T> predicate, Function<? super T, ? extends V> function);
@Override
<V> MutableBag<V> flatCollect(Function<? super T, ? extends Iterable<V>> function);
/**
* @since 9.2
*/
@Override
default <P, V> MutableBag<V> flatCollectWith(Function2<? super T, ? super P, ? extends Iterable<V>> function, P parameter)
{
return this.flatCollect(each -> function.apply(each, parameter));
}
/**
* @since 8.0
*/
@Override
ImmutableBag<T> toImmutable();
}