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• ImmutableBiMap.java

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org.eclipse.collections.api.bimap.ImmutableBiMap Maven / Gradle / Ivy

/*
 * Copyright (c) 2021 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.bimap;

import java.util.Map;

import org.eclipse.collections.api.bag.ImmutableBagIterable;
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.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.factory.BiMaps;
import org.eclipse.collections.api.factory.Maps;
import org.eclipse.collections.api.map.ImmutableMap;
import org.eclipse.collections.api.map.ImmutableMapIterable;
import org.eclipse.collections.api.map.MapIterable;
import org.eclipse.collections.api.map.MutableMap;
import org.eclipse.collections.api.multimap.set.ImmutableSetMultimap;
import org.eclipse.collections.api.ordered.OrderedIterable;
import org.eclipse.collections.api.partition.set.PartitionImmutableSet;
import org.eclipse.collections.api.set.ImmutableSet;
import org.eclipse.collections.api.tuple.Pair;

/**
 * A {@link BiMap} whose contents cannot be altered after initialization.
 *
 * @since 4.2
 */
public interface ImmutableBiMap extends BiMap, ImmutableMapIterable
{
    @Override
    ImmutableBiMap newWithKeyValue(K key, V value);

    @Override
    ImmutableBiMap newWithAllKeyValues(Iterable> keyValues);

    @Override
    ImmutableBiMap newWithMap(Map map);

    @Override
    ImmutableBiMap newWithMapIterable(MapIterable mapIterable);

    @Override
    ImmutableBiMap newWithAllKeyValueArguments(Pair... keyValuePairs);

    @Override
    ImmutableBiMap newWithoutKey(K key);

    @Override
    ImmutableBiMap newWithoutAllKeys(Iterable keys);

    @Override
    ImmutableBiMap inverse();

    @Override
    ImmutableSetMultimap flip();

    @Override
    ImmutableBiMap flipUniqueValues();

    @Override
    ImmutableBiMap tap(Procedure procedure);

    @Override
    ImmutableBiMap select(Predicate2 predicate);

    @Override
    ImmutableBiMap reject(Predicate2 predicate);

    @Override
     ImmutableBiMap collect(Function2> function);

    @Override
     ImmutableBiMap collectValues(Function2 function);

    @Override
    ImmutableSet select(Predicate predicate);

    @Override
    
 ImmutableSet selectWith(Predicate2 predicate, P parameter);

    @Override
    ImmutableSet reject(Predicate predicate);

    @Override
    
 ImmutableSet rejectWith(Predicate2 predicate, P parameter);

    @Override
    PartitionImmutableSet partition(Predicate predicate);

    @Override
    
 PartitionImmutableSet partitionWith(Predicate2 predicate, P parameter);

    @Override
     ImmutableSet selectInstancesOf(Class clazz);

    @Override
     ImmutableBagIterable collect(Function function);

    @Override
     ImmutableBagIterable collectWith(Function2 function, P parameter);

    @Override
     ImmutableBagIterable collectIf(Predicate predicate, Function function);

    @Override
     ImmutableBagIterable flatCollect(Function> function);

    /**
     * @since 9.2
     */
    @Override
    default  ImmutableBagIterable flatCollectWith(Function2> function, P parameter)
    {
        return this.flatCollect(each -> function.apply(each, parameter));
    }

    @Override
     ImmutableSetMultimap groupBy(Function function);

    @Override
     ImmutableSetMultimap groupByEach(Function> function);

    @Override
    default  ImmutableBiMap groupByUniqueKey(Function function)
    {
        MutableBiMap target = BiMaps.mutable.empty();
        return this.groupByUniqueKey(function, target).toImmutable();
    }

    /**
     * @since 11.0
     */
    @Override
    default  ImmutableMap aggregateInPlaceBy(
            Function groupBy,
            Function0 zeroValueFactory,
            Procedure2 mutatingAggregator)
    {
        MutableMap map = Maps.mutable.empty();
        this.forEach(each ->
        {
            KK key = groupBy.valueOf(each);
            VV value = map.getIfAbsentPut(key, zeroValueFactory);
            mutatingAggregator.value(value, each);
        });
        return map.toImmutable();
    }

    /**
     * @since 11.0
     */
    @Override
    default  ImmutableMap aggregateBy(
            Function groupBy,
            Function0 zeroValueFactory,
            Function2 nonMutatingAggregator)
    {
        MutableMap map = this.aggregateBy(
                groupBy,
                zeroValueFactory,
                nonMutatingAggregator,
                Maps.mutable.empty());
        return map.toImmutable();
    }

    /**
     * @since 11.0
     */
    @Override
    default  ImmutableMap aggregateBy(
            Function keyFunction,
            Function valueFunction,
            Function0 zeroValueFactory,
            Function2 nonMutatingAggregator)
    {
        MutableMap map = Maps.mutable.empty();
        this.forEachKeyValue((key, value) -> map.updateValueWith(
                keyFunction.valueOf(key),
                zeroValueFactory,
                nonMutatingAggregator,
                valueFunction.valueOf(value)));
        return map.toImmutable();
    }

    /**
     * @deprecated in 8.0. Use {@link OrderedIterable#zip(Iterable)} instead.
     */
    @Override
    @Deprecated
     ImmutableSet> zip(Iterable that);

    /**
     * @deprecated in 8.0. Use {@link OrderedIterable#zipWithIndex()} instead.
     */
    @Override
    @Deprecated
    ImmutableSet> zipWithIndex();
}