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/*
* Copyright (c) 2020 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;
import java.util.Collection;
import java.util.NoSuchElementException;
import java.util.IntSummaryStatistics;
import org.eclipse.collections.api.bag.primitive.MutableByteBag;
import org.eclipse.collections.api.block.function.primitive.LongByteToLongFunction;
import org.eclipse.collections.api.block.function.primitive.ByteToBooleanFunction;
import org.eclipse.collections.api.block.function.primitive.ByteToByteFunction;
import org.eclipse.collections.api.block.function.primitive.ByteToShortFunction;
import org.eclipse.collections.api.block.function.primitive.ByteToCharFunction;
import org.eclipse.collections.api.block.function.primitive.ByteToDoubleFunction;
import org.eclipse.collections.api.block.function.primitive.ByteToFloatFunction;
import org.eclipse.collections.api.block.function.primitive.ByteToIntFunction;
import org.eclipse.collections.api.block.function.primitive.ByteToLongFunction;
import org.eclipse.collections.api.block.function.primitive.ObjectByteToObjectFunction;
import org.eclipse.collections.api.block.function.primitive.ByteToObjectFunction;
import org.eclipse.collections.api.block.predicate.primitive.BytePredicate;
import org.eclipse.collections.api.block.procedure.primitive.ByteProcedure;
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.iterator.ByteIterator;
import org.eclipse.collections.api.list.primitive.MutableByteList;
import org.eclipse.collections.api.set.primitive.MutableByteSet;
/**
* ByteIterable is an interface which is memory-optimized for byte primitives.
* It is inspired by the interface RichIterable, and contains a subset of the internal iterator methods on RichIterable like collect, sum, etc.
* The API also includes an external iterator method, which returns an ByteIterator. ByteIterator helps iterate over the ByteIterable without boxing the primitives.
* This file was automatically generated from template file primitiveIterable.stg.
*/
public interface ByteIterable extends PrimitiveIterable
{
/**
* Returns a primitive iterator that can be used to iterate over the ByteIterable in an
* imperative style.
*/
ByteIterator byteIterator();
/**
* Converts the ByteIterable to a primitive byte array.
*/
byte[] toArray();
/**
* Converts the ByteIterable to a primitive byte array. If the collection fits into the provided array it is used
* to store its elements and is returned from the method, otherwise a new array of the appropriate size is allocated
* and returned. If the iterable is empty, the target array is returned unchanged.
*/
default byte[] toArray(byte[] target)
{
return this.toList().toArray(target);
}
/**
* Returns true if the value is contained in the ByteIterable, and false if it is not.
*/
boolean contains(byte value);
/**
* Returns true if the all of the values specified in the source array are contained
* in the ByteIterable, and false if they are not.
*/
boolean containsAll(byte... source);
/**
* Returns true if the all of the values specified in the source ByteIterable are contained
* in the ByteIterable, and false if they are not.
*/
boolean containsAll(ByteIterable source);
/**
* Applies the ByteProcedure to each element in the ByteIterable.
*/
void forEach(ByteProcedure procedure);
/**
* A synonym for forEach.
*
* @since 7.0.
*/
void each(ByteProcedure procedure);
/**
* @since 9.0.
*/
default ByteIterable tap(ByteProcedure procedure)
{
this.forEach(procedure);
return this;
}
/**
* Returns a new ByteIterable with all of the elements in the ByteIterable that
* return true for the specified predicate.
*/
ByteIterable select(BytePredicate predicate);
/**
* Returns a new ByteIterable with all of the elements in the ByteIterable that
* return false for the specified predicate.
*/
ByteIterable reject(BytePredicate predicate);
/**
* Same as {@link #select(BytePredicate)} , only the results are added to the target MutableByteCollection.
*
* @since 8.1.
*/
default R select(BytePredicate predicate, R target)
{
this.each(each ->
{
if (predicate.accept(each))
{
target.add(each);
}
});
return target;
}
/**
* Same as {@link #reject(BytePredicate)} , only the results are added to the target MutableByteCollection.
*
* @since 8.1.
*/
default R reject(BytePredicate predicate, R target)
{
this.each(each ->
{
if (!predicate.accept(each))
{
target.add(each);
}
});
return target;
}
/**
* Returns a new collection with the results of applying the specified function on each element of the source
* collection. This method is also commonly called transform or map.
*/
RichIterable collect(ByteToObjectFunction function);
/**
* Same as {@link #collect(ByteToObjectFunction)} , only the results are added to the target Collection.
*
* @since 8.1.
*/
default > R collect(ByteToObjectFunction function, R target)
{
this.each(each -> target.add(function.valueOf(each)));
return target;
}
/**
* {@code flatCollect} is a special case of {@link #collect(ByteToObjectFunction)}. With {@code collect}, when the {@link ByteToObjectFunction} returns
* a collection, the result is a collection of collections. {@code flatCollect} outputs a single "flattened" collection
* instead. This method is commonly called flatMap.
*
* @since 8.1.
*/
default > R flatCollect(ByteToObjectFunction> function, R target)
{
this.each(each ->
{
Iterable iterable = function.valueOf(each);
if (iterable instanceof Collection)
{
target.addAll((Collection) iterable);
}
else
{
iterable.forEach(target::add);
}
});
return target;
}
/**
* Returns the target {@code MutableBooleanCollection} with the results of applying the specified function on each element
* of the source collection.
*
* @since 8.1.
*/
default R collectBoolean(ByteToBooleanFunction function, R target)
{
this.each(each -> target.add(function.valueOf(each)));
return target;
}
/**
* Returns the target {@code MutableByteCollection} with the results of applying the specified function on each element
* of the source collection.
*
* @since 8.1.
*/
default R collectByte(ByteToByteFunction function, R target)
{
this.each(each -> target.add(function.valueOf(each)));
return target;
}
/**
* Returns the target {@code MutableCharCollection} with the results of applying the specified function on each element
* of the source collection.
*
* @since 8.1.
*/
default R collectChar(ByteToCharFunction function, R target)
{
this.each(each -> target.add(function.valueOf(each)));
return target;
}
/**
* Returns the target {@code MutableShortCollection} with the results of applying the specified function on each element
* of the source collection.
*
* @since 8.1.
*/
default R collectShort(ByteToShortFunction function, R target)
{
this.each(each -> target.add(function.valueOf(each)));
return target;
}
/**
* Returns the target {@code MutableIntCollection} with the results of applying the specified function on each element
* of the source collection.
*
* @since 8.1.
*/
default R collectInt(ByteToIntFunction function, R target)
{
this.each(each -> target.add(function.valueOf(each)));
return target;
}
/**
* Returns the target {@code MutableFloatCollection} with the results of applying the specified function on each element
* of the source collection.
*
* @since 8.1.
*/
default R collectFloat(ByteToFloatFunction function, R target)
{
this.each(each -> target.add(function.valueOf(each)));
return target;
}
/**
* Returns the target {@code MutableLongCollection} with the results of applying the specified function on each element
* of the source collection.
*
* @since 8.1.
*/
default R collectLong(ByteToLongFunction function, R target)
{
this.each(each -> target.add(function.valueOf(each)));
return target;
}
/**
* Returns the target {@code MutableDoubleCollection} with the results of applying the specified function on each element
* of the source collection.
*
* @since 8.1.
*/
default R collectDouble(ByteToDoubleFunction function, R target)
{
this.each(each -> target.add(function.valueOf(each)));
return target;
}
byte detectIfNone(BytePredicate predicate, byte ifNone);
/**
* Returns a count of the number of elements in the ByteIterable that return true for the
* specified predicate.
*/
int count(BytePredicate predicate);
/**
* Returns true if any of the elements in the ByteIterable return true for the
* specified predicate, otherwise returns false.
*/
boolean anySatisfy(BytePredicate predicate);
/**
* Returns true if all of the elements in the ByteIterable return true for the
* specified predicate, otherwise returns false.
*/
boolean allSatisfy(BytePredicate predicate);
/**
* Returns true if none of the elements in the ByteIterable return true for the
* specified predicate, otherwise returns false.
*/
boolean noneSatisfy(BytePredicate predicate);
/**
* Converts the ByteIterable to a new MutableByteList.
*/
MutableByteList toList();
/**
* Converts the ByteIterable to a new MutableByteSet.
*/
MutableByteSet toSet();
/**
* Converts the ByteIterable to a new MutableByteBag.
*/
MutableByteBag toBag();
/**
* Returns a LazyByteIterable adapter wrapping the source ByteIterable.
*/
LazyByteIterable asLazy();
T injectInto(T injectedValue, ObjectByteToObjectFunction function);
/**
* @see #reduce(LongByteToLongFunction)
*
* @since 10.0
*/
default long reduceIfEmpty(LongByteToLongFunction accumulator, long defaultValue)
{
if (this.isEmpty())
{
return defaultValue;
}
else
{
return this.reduce(accumulator);
}
}
/**
* @see RichIterable#reduce(BinaryOperator)
*
* @since 10.0
*/
default long reduce(LongByteToLongFunction accumulator)
{
boolean[] seenOne = new boolean[1];
long[] result = new long[1];
this.each(each ->
{
if (seenOne[0])
{
result[0] = accumulator.valueOf(result[0], each);
}
else
{
seenOne[0] = true;
result[0] = (long) each;
}
});
if (!seenOne[0])
{
throw new NoSuchElementException();
}
else
{
return result[0];
}
}
/**
* Partitions elements in fixed size chunks.
*
* @param size the number of elements per chunk
*
* @return A {@code RichIterable} containing {@code ByteIterable}s of size {@code size}, except the last will be
* truncated if the elements don't divide evenly.
*
* @since 9.2
*/
default RichIterable chunk(int size)
{
throw new UnsupportedOperationException("Default method to prevent breaking backwards compatibility");
}
long sum();
/**
* @since 8.0
*/
default IntSummaryStatistics summaryStatistics()
{
IntSummaryStatistics stats = new IntSummaryStatistics();
this.forEach(stats::accept);
return stats;
}
byte max();
byte maxIfEmpty(byte defaultValue);
byte min();
byte minIfEmpty(byte defaultValue);
double average();
/**
* @since 9.0
*/
default double averageIfEmpty(double defaultValue)
{
if (this.isEmpty())
{
return defaultValue;
}
return this.average();
}
double median();
/**
* @since 9.0
*/
default double medianIfEmpty(double defaultValue)
{
if (this.isEmpty())
{
return defaultValue;
}
return this.median();
}
byte[] toSortedArray();
MutableByteList toSortedList();
}
