Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance.
Project price only 1 $
You can buy this project and download/modify it how often you want.
org.eclipse.collections.impl.utility.internal.IterableIterate Maven / Gradle / Ivy
/*
* Copyright (c) 2016 Goldman Sachs.
* 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.utility.internal;
import java.io.IOException;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.util.Collection;
import java.util.Comparator;
import java.util.Iterator;
import java.util.List;
import java.util.Optional;
import org.eclipse.collections.api.RichIterable;
import org.eclipse.collections.api.block.HashingStrategy;
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.Function3;
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.MutableCollection;
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.MutableMap;
import org.eclipse.collections.api.map.primitive.ObjectDoubleMap;
import org.eclipse.collections.api.map.primitive.ObjectLongMap;
import org.eclipse.collections.api.multimap.MutableMultimap;
import org.eclipse.collections.api.partition.PartitionMutableCollection;
import org.eclipse.collections.api.partition.list.PartitionMutableList;
import org.eclipse.collections.api.tuple.Pair;
import org.eclipse.collections.api.tuple.Twin;
import org.eclipse.collections.impl.block.factory.Comparators;
import org.eclipse.collections.impl.block.factory.PrimitiveFunctions;
import org.eclipse.collections.impl.list.mutable.FastList;
import org.eclipse.collections.impl.map.mutable.UnifiedMap;
import org.eclipse.collections.impl.map.mutable.primitive.ObjectDoubleHashMap;
import org.eclipse.collections.impl.map.mutable.primitive.ObjectLongHashMap;
import org.eclipse.collections.impl.multimap.list.FastListMultimap;
import org.eclipse.collections.impl.utility.Iterate;
/**
* The IterableIterate class provides a few of the methods from the Smalltalk Collection Protocol for use with general
* Collection classes. This includes do:, select:, reject:, collect:, inject:into:, detect:, detect:ifNone:, anySatisfy:
* and allSatisfy:
*/
public final class IterableIterate
{
private IterableIterate()
{
throw new AssertionError("Suppress default constructor for noninstantiability");
}
/**
* @see Iterate#select(Iterable, Predicate)
*/
public static MutableList select(Iterable iterable, Predicate predicate)
{
return IterableIterate.select(iterable, predicate, FastList.newList());
}
/**
* @see Iterate#selectAndRejectWith(Iterable, Predicate2, Object)
*/
public static Twin> selectAndRejectWith(
Iterable iterable,
Predicate2 predicate,
IV injectedValue)
{
return IteratorIterate.selectAndRejectWith(iterable.iterator(), predicate, injectedValue);
}
/**
* @see Iterate#partition(Iterable, Predicate)
*/
public static PartitionMutableList partition(Iterable iterable, Predicate predicate)
{
return IteratorIterate.partition(iterable.iterator(), predicate);
}
/**
* @see Iterate#partitionWith(Iterable, Predicate2, Object)
* @since 5.0
*/
public static PartitionMutableList partitionWith(Iterable iterable, Predicate2 predicate, P parameter)
{
return IteratorIterate.partitionWith(iterable.iterator(), predicate, parameter);
}
public static > R partitionWhile(Iterable iterable, Predicate predicate, R target)
{
return IteratorIterate.partitionWhile(iterable.iterator(), predicate, target);
}
public static > R takeWhile(Iterable iterable, Predicate predicate, R target)
{
return IteratorIterate.takeWhile(iterable.iterator(), predicate, target);
}
public static > R dropWhile(Iterable iterable, Predicate predicate, R target)
{
return IteratorIterate.dropWhile(iterable.iterator(), predicate, target);
}
/**
* @see Iterate#count(Iterable, Predicate)
*/
public static int count(Iterable iterable, Predicate predicate)
{
return IteratorIterate.count(iterable.iterator(), predicate);
}
/**
* @see Iterate#countWith(Iterable, Predicate2, Object)
*/
public static int countWith(
Iterable iterable,
Predicate2 predicate,
IV injectedValue)
{
return IteratorIterate.countWith(iterable.iterator(), predicate, injectedValue);
}
/**
* @see Iterate#collectIf(Iterable, Predicate, Function)
*/
public static MutableList collectIf(
Iterable iterable,
Predicate predicate,
Function function)
{
return IterableIterate.collectIf(iterable, predicate, function, FastList.newList());
}
public static boolean isEmpty(Iterable iterable)
{
return !iterable.iterator().hasNext();
}
public static boolean notEmpty(Iterable iterable)
{
return !IterableIterate.isEmpty(iterable);
}
public static T getFirst(Iterable iterable)
{
Iterator iterator = iterable.iterator();
if (iterator.hasNext())
{
return iterator.next();
}
return null;
}
public static T getLast(Iterable iterable)
{
T last = null;
Iterator iterator = iterable.iterator();
while (iterator.hasNext())
{
last = iterator.next();
}
return last;
}
/**
* @see Iterate#select(Iterable, Predicate, Collection)
*/
public static > R select(
Iterable iterable,
Predicate predicate,
R targetCollection)
{
return IteratorIterate.select(iterable.iterator(), predicate, targetCollection);
}
/**
* @see Iterate#selectWith(Iterable, Predicate2, Object, Collection)
*/
public static > R selectWith(
Iterable iterable,
Predicate2 predicate,
P injectedValue,
R targetCollection)
{
return IteratorIterate.selectWith(iterable.iterator(), predicate, injectedValue, targetCollection);
}
/**
* @see Iterate#selectInstancesOf(Iterable, Class)
*/
public static MutableList selectInstancesOf(
Iterable iterable,
Class clazz)
{
FastList result = FastList.newList();
IterableIterate.selectInstancesOf(iterable, clazz, result);
result.trimToSize();
return result;
}
/**
* @see Iterate#selectInstancesOf(Iterable, Class)
*/
public static > R selectInstancesOf(
Iterable iterable,
Class clazz,
R targetCollection)
{
return IteratorIterate.selectInstancesOf(iterable.iterator(), clazz, targetCollection);
}
/**
* @see Iterate#collectIf(Iterable, Predicate, Function, Collection)
*/
public static > R collectIf(
Iterable iterable,
Predicate predicate,
Function function,
R targetCollection)
{
return IteratorIterate.collectIf(iterable.iterator(), predicate, function, targetCollection);
}
/**
* @see Iterate#reject(Iterable, Predicate)
*/
public static MutableList reject(Iterable iterable, Predicate predicate)
{
return IterableIterate.reject(iterable, predicate, FastList.newList());
}
/**
* @see Iterate#reject(Iterable, Predicate, Collection)
*/
public static > R reject(
Iterable iterable,
Predicate predicate,
R targetCollection)
{
return IteratorIterate.reject(iterable.iterator(), predicate, targetCollection);
}
/**
* @see Iterate#rejectWith(Iterable, Predicate2, Object, Collection)
*/
public static > R rejectWith(
Iterable iterable,
Predicate2 predicate,
P parameter,
R targetCollection)
{
return IteratorIterate.rejectWith(iterable.iterator(), predicate, parameter, targetCollection);
}
/**
* @see Iterate#collect(Iterable, Function)
*/
public static MutableList collect(
Iterable iterable,
Function function)
{
return IterableIterate.collect(iterable, function, FastList.newList());
}
/**
* @see Iterate#collect(Iterable, Function, Collection)
*/
public static > R collect(
Iterable iterable,
Function function,
R targetCollection)
{
return IteratorIterate.collect(iterable.iterator(), function, targetCollection);
}
/**
* @see Iterate#collectBoolean(Iterable, BooleanFunction)
*/
public static MutableBooleanCollection collectBoolean(
Iterable iterable,
BooleanFunction booleanFunction)
{
return IteratorIterate.collectBoolean(iterable.iterator(), booleanFunction);
}
/**
* @see Iterate#collectBoolean(Iterable, BooleanFunction, MutableBooleanCollection)
*/
public static R collectBoolean(Iterable iterable, BooleanFunction booleanFunction, R target)
{
return IteratorIterate.collectBoolean(iterable.iterator(), booleanFunction, target);
}
/**
* @see Iterate#collectByte(Iterable, ByteFunction)
*/
public static MutableByteCollection collectByte(
Iterable iterable,
ByteFunction byteFunction)
{
return IteratorIterate.collectByte(iterable.iterator(), byteFunction);
}
/**
* @see Iterate#collectByte(Iterable, ByteFunction,
* MutableByteCollection)
*/
public static R collectByte(Iterable iterable, ByteFunction byteFunction, R target)
{
return IteratorIterate.collectByte(iterable.iterator(), byteFunction, target);
}
/**
* @see Iterate#collectChar(Iterable, CharFunction)
*/
public static MutableCharCollection collectChar(
Iterable iterable,
CharFunction charFunction)
{
return IteratorIterate.collectChar(iterable.iterator(), charFunction);
}
/**
* @see Iterate#collectChar(Iterable, CharFunction,
* MutableCharCollection)
*/
public static R collectChar(Iterable iterable, CharFunction charFunction, R target)
{
return IteratorIterate.collectChar(iterable.iterator(), charFunction, target);
}
/**
* @see Iterate#collectDouble(Iterable, DoubleFunction)
*/
public static MutableDoubleCollection collectDouble(
Iterable iterable,
DoubleFunction doubleFunction)
{
return IteratorIterate.collectDouble(iterable.iterator(), doubleFunction);
}
/**
* @see Iterate#collectDouble(Iterable, DoubleFunction,
* MutableDoubleCollection)
*/
public static R collectDouble(Iterable iterable, DoubleFunction doubleFunction, R target)
{
return IteratorIterate.collectDouble(iterable.iterator(), doubleFunction, target);
}
/**
* @see Iterate#collectFloat(Iterable, FloatFunction)
*/
public static MutableFloatCollection collectFloat(
Iterable iterable,
FloatFunction floatFunction)
{
return IteratorIterate.collectFloat(iterable.iterator(), floatFunction);
}
/**
* @see Iterate#collectFloat(Iterable, FloatFunction,
* MutableFloatCollection)
*/
public static R collectFloat(Iterable iterable, FloatFunction floatFunction, R target)
{
return IteratorIterate.collectFloat(iterable.iterator(), floatFunction, target);
}
/**
* @see Iterate#collectInt(Iterable, IntFunction)
*/
public static MutableIntCollection collectInt(
Iterable iterable,
IntFunction intFunction)
{
return IteratorIterate.collectInt(iterable.iterator(), intFunction);
}
/**
* @see Iterate#collectInt(Iterable, IntFunction,
* MutableIntCollection)
*/
public static R collectInt(Iterable iterable, IntFunction intFunction, R target)
{
return IteratorIterate.collectInt(iterable.iterator(), intFunction, target);
}
/**
* @see Iterate#collectLong(Iterable, LongFunction)
*/
public static MutableLongCollection collectLong(
Iterable iterable,
LongFunction longFunction)
{
return IteratorIterate.collectLong(iterable.iterator(), longFunction);
}
/**
* @see Iterate#collectLong(Iterable, LongFunction,
* MutableLongCollection)
*/
public static R collectLong(Iterable iterable, LongFunction longFunction, R target)
{
return IteratorIterate.collectLong(iterable.iterator(), longFunction, target);
}
/**
* @see Iterate#collectShort(Iterable, ShortFunction)
*/
public static MutableShortCollection collectShort(
Iterable iterable,
ShortFunction shortFunction)
{
return IteratorIterate.collectShort(iterable.iterator(), shortFunction);
}
/**
* @see Iterate#collectShort(Iterable, ShortFunction,
* MutableShortCollection)
*/
public static R collectShort(Iterable iterable, ShortFunction shortFunction, R target)
{
return IteratorIterate.collectShort(iterable.iterator(), shortFunction, target);
}
/**
* @see Iterate#flatCollect(Iterable, Function)
*/
public static MutableList flatCollect(
Iterable iterable,
Function> function)
{
return IterableIterate.flatCollect(iterable, function, FastList.newList());
}
/**
* @see Iterate#flatCollect(Iterable, Function, Collection)
*/
public static > R flatCollect(
Iterable iterable,
Function> function,
R targetCollection)
{
return IteratorIterate.flatCollect(iterable.iterator(), function, targetCollection);
}
/**
* @see Iterate#forEach(Iterable, Procedure)
*/
public static void forEach(Iterable iterable, Procedure procedure)
{
IteratorIterate.forEach(iterable.iterator(), procedure);
}
/**
* @see Iterate#forEachWithIndex(Iterable, ObjectIntProcedure)
*/
public static void forEachWithIndex(Iterable iterable, ObjectIntProcedure objectIntProcedure)
{
IteratorIterate.forEachWithIndex(iterable.iterator(), objectIntProcedure);
}
/**
* @see Iterate#injectInto(Object, Iterable, Function2)
*/
public static IV injectInto(
IV injectValue,
Iterable iterable,
Function2 function)
{
return IteratorIterate.injectInto(injectValue, iterable.iterator(), function);
}
/**
* @see Iterate#injectInto(int, Iterable, IntObjectToIntFunction)
*/
public static int injectInto(
int injectValue,
Iterable iterable,
IntObjectToIntFunction function)
{
return IteratorIterate.injectInto(injectValue, iterable.iterator(), function);
}
/**
* @see Iterate#injectInto(long, Iterable, LongObjectToLongFunction)
*/
public static long injectInto(
long injectValue,
Iterable iterable,
LongObjectToLongFunction function)
{
return IteratorIterate.injectInto(injectValue, iterable.iterator(), function);
}
/**
* @see Iterate#injectInto(double, Iterable, DoubleObjectToDoubleFunction)
*/
public static double injectInto(
double injectValue,
Iterable iterable,
DoubleObjectToDoubleFunction function)
{
return IteratorIterate.injectInto(injectValue, iterable.iterator(), function);
}
/**
* @see Iterate#injectInto(float, Iterable, FloatObjectToFloatFunction)
*/
public static float injectInto(
float injectValue,
Iterable iterable,
FloatObjectToFloatFunction function)
{
return IteratorIterate.injectInto(injectValue, iterable.iterator(), function);
}
/**
* @deprecated in 7.0.
*/
@Deprecated
public static > R distinct(
Iterable iterable,
R targetCollection)
{
return IteratorIterate.distinct(iterable.iterator(), targetCollection);
}
/**
* @since 7.0.
*/
public static MutableList distinct(Iterable iterable)
{
return IteratorIterate.distinct(iterable.iterator());
}
/**
* @since 7.0.
*/
public static MutableList distinct(Iterable iterable, HashingStrategy hashingStrategy)
{
return IteratorIterate.distinct(iterable.iterator(), hashingStrategy);
}
/**
* @see Iterate#sumOfInt(Iterable, IntFunction)
*/
public static long sumOfInt(Iterable iterable, IntFunction function)
{
return IteratorIterate.sumOfInt(iterable.iterator(), function);
}
/**
* @see Iterate#sumOfLong(Iterable, LongFunction)
*/
public static long sumOfLong(Iterable iterable, LongFunction function)
{
return IteratorIterate.sumOfLong(iterable.iterator(), function);
}
/**
* @see Iterate#sumOfFloat(Iterable, FloatFunction)
*/
public static double sumOfFloat(Iterable iterable, FloatFunction function)
{
return IteratorIterate.sumOfFloat(iterable.iterator(), function);
}
/**
* @see Iterate#sumOfDouble(Iterable, DoubleFunction)
*/
public static double sumOfDouble(Iterable iterable, DoubleFunction function)
{
return IteratorIterate.sumOfDouble(iterable.iterator(), function);
}
public static BigDecimal sumOfBigDecimal(Iterable iterable, Function function)
{
return IteratorIterate.sumOfBigDecimal(iterable.iterator(), function);
}
public static BigInteger sumOfBigInteger(Iterable iterable, Function function)
{
return IteratorIterate.sumOfBigInteger(iterable.iterator(), function);
}
public static MutableMap sumByBigDecimal(Iterable iterable, Function groupBy, Function function)
{
return IteratorIterate.sumByBigDecimal(iterable.iterator(), groupBy, function);
}
public static MutableMap sumByBigInteger(Iterable iterable, Function groupBy, Function function)
{
return IteratorIterate.sumByBigInteger(iterable.iterator(), groupBy, function);
}
public static ObjectLongMap sumByInt(Iterable iterable, Function groupBy, IntFunction function)
{
ObjectLongHashMap result = ObjectLongHashMap.newMap();
return IterableIterate.injectInto(result, iterable, PrimitiveFunctions.sumByIntFunction(groupBy, function));
}
public static ObjectLongMap sumByLong(Iterable iterable, Function groupBy, LongFunction function)
{
ObjectLongHashMap result = ObjectLongHashMap.newMap();
return IterableIterate.injectInto(result, iterable, PrimitiveFunctions.sumByLongFunction(groupBy, function));
}
public static ObjectDoubleMap sumByFloat(Iterable iterable, Function groupBy, FloatFunction function)
{
ObjectDoubleHashMap result = ObjectDoubleHashMap.newMap();
return IterableIterate.injectInto(result, iterable, PrimitiveFunctions.sumByFloatFunction(groupBy, function));
}
public static ObjectDoubleMap sumByDouble(Iterable iterable, Function groupBy, DoubleFunction function)
{
ObjectDoubleHashMap result = ObjectDoubleHashMap.newMap();
return IterableIterate.injectInto(result, iterable, PrimitiveFunctions.sumByDoubleFunction(groupBy, function));
}
/**
* @see Iterate#injectIntoWith(Object, Iterable, Function3, Object)
*/
public static IV injectIntoWith(
IV injectValue,
Iterable iterable,
Function3 function,
P parameter)
{
return IteratorIterate.injectIntoWith(injectValue, iterable.iterator(), function, parameter);
}
public static boolean anySatisfy(Iterable iterable, Predicate predicate)
{
return IteratorIterate.anySatisfy(iterable.iterator(), predicate);
}
public static boolean anySatisfyWith(Iterable iterable, Predicate2 predicate, P parameter)
{
return IteratorIterate.anySatisfyWith(iterable.iterator(), predicate, parameter);
}
public static boolean allSatisfy(Iterable iterable, Predicate predicate)
{
return IteratorIterate.allSatisfy(iterable.iterator(), predicate);
}
public static boolean allSatisfyWith(Iterable iterable, Predicate2 predicate, P parameter)
{
return IteratorIterate.allSatisfyWith(iterable.iterator(), predicate, parameter);
}
public static boolean noneSatisfy(Iterable iterable, Predicate predicate)
{
return IteratorIterate.noneSatisfy(iterable.iterator(), predicate);
}
public static boolean noneSatisfyWith(Iterable iterable, Predicate2 predicate, P parameter)
{
return IteratorIterate.noneSatisfyWith(iterable.iterator(), predicate, parameter);
}
public static T detect(Iterable iterable, Predicate predicate)
{
return IteratorIterate.detect(iterable.iterator(), predicate);
}
public static T detectWith(Iterable iterable, Predicate2 predicate, P parameter)
{
return IteratorIterate.detectWith(iterable.iterator(), predicate, parameter);
}
public static Optional detectOptional(Iterable iterable, Predicate predicate)
{
return IteratorIterate.detectOptional(iterable.iterator(), predicate);
}
public static Optional detectWithOptional(Iterable iterable, Predicate2 predicate, P parameter)
{
return IteratorIterate.detectWithOptional(iterable.iterator(), predicate, parameter);
}
/**
* @see Iterate#removeIf(Iterable, Predicate)
*/
public static boolean removeIf(Iterable iterable, Predicate predicate)
{
return IteratorIterate.removeIf(iterable.iterator(), predicate);
}
/**
* @see Iterate#removeIfWith(Iterable, Predicate2, Object)
*/
public static boolean removeIfWith(
Iterable iterable,
Predicate2 predicate,
P parameter)
{
return IteratorIterate.removeIfWith(iterable.iterator(), predicate, parameter);
}
public static boolean removeIf(
Iterable iterable,
Predicate predicate,
Procedure procedure)
{
return IteratorIterate.removeIf(iterable.iterator(), predicate, procedure);
}
public static boolean removeIfWith(
Iterable iterable,
Predicate2 predicate,
P parameter,
Procedure procedure)
{
return IteratorIterate.removeIfWith(iterable.iterator(), predicate, parameter, procedure);
}
/**
* @see Iterate#detectIndex(Iterable, Predicate)
*/
public static int detectIndex(Iterable iterable, Predicate predicate)
{
return IteratorIterate.detectIndex(iterable.iterator(), predicate);
}
/**
* @see Iterate#detectIndexWith(Iterable, Predicate2, Object)
*/
public static int detectIndexWith(
Iterable iterable,
Predicate2 predicate,
IV injectedValue)
{
return IteratorIterate.detectIndexWith(iterable.iterator(), predicate, injectedValue);
}
/**
* @see Iterate#forEachWith(Iterable, Procedure2, Object)
*/
public static void forEachWith(
Iterable iterable,
Procedure2 procedure,
P parameter)
{
IteratorIterate.forEachWith(iterable.iterator(), procedure, parameter);
}
/**
* @see Iterate#collectWith(Iterable, Function2, Object)
*/
public static MutableList collectWith(
Iterable iterable,
Function2 function,
P parameter)
{
return IterableIterate.collectWith(iterable, function, parameter, FastList.newList());
}
/**
* @see Iterate#collectWith(Iterable, Function2, Object, Collection)
*/
public static > R collectWith(
Iterable iterable,
Function2 function,
P parameter,
R targetCollection)
{
return IteratorIterate.collectWith(iterable.iterator(), function, parameter, targetCollection);
}
/**
* @see Iterate#take(Iterable, int)
*/
public static Collection take(Iterable iterable, int count)
{
if (count < 0)
{
throw new IllegalArgumentException("Count must be greater than zero, but was: " + count);
}
return IterableIterate.take(iterable, count, FastList.newList());
}
/**
* @see Iterate#take(Iterable, int)
*/
public static > R take(Iterable iterable, int count, R targetCollection)
{
if (count < 0)
{
throw new IllegalArgumentException("Count must be greater than zero, but was: " + count);
}
int countCopy = count;
Iterator iterator = iterable.iterator();
while (iterator.hasNext() && countCopy-- > 0)
{
targetCollection.add(iterator.next());
}
return targetCollection;
}
/**
* @see Iterate#drop(Iterable, int)
*/
public static Collection drop(Iterable list, int count)
{
if (count < 0)
{
throw new IllegalArgumentException("Count must be greater than zero, but was: " + count);
}
return IterableIterate.drop(list, count, FastList.newList());
}
/**
* @see Iterate#drop(Iterable, int)
*/
public static > R drop(Iterable iterable, int count, R targetCollection)
{
if (count < 0)
{
throw new IllegalArgumentException("Count must be greater than zero, but was: " + count);
}
Iterator iterator = iterable.iterator();
for (int i = 0; iterator.hasNext(); i++)
{
T element = iterator.next();
if (i >= count)
{
targetCollection.add(element);
}
}
return targetCollection;
}
/**
* @see RichIterable#appendString(Appendable, String, String, String)
*/
public static void appendString(
Iterable iterable,
Appendable appendable,
String start,
String separator,
String end)
{
try
{
appendable.append(start);
Iterator iterator = iterable.iterator();
if (iterator.hasNext())
{
appendable.append(IterableIterate.stringValueOfItem(iterable, iterator.next()));
while (iterator.hasNext())
{
appendable.append(separator);
appendable.append(IterableIterate.stringValueOfItem(iterable, iterator.next()));
}
}
appendable.append(end);
}
catch (IOException e)
{
throw new RuntimeException(e);
}
}
/**
* @see Iterate#groupBy(Iterable, Function)
*/
public static FastListMultimap groupBy(
Iterable iterable,
Function function)
{
return IterableIterate.groupBy(iterable, function, new FastListMultimap<>());
}
/**
* @see Iterate#groupBy(Iterable, Function, MutableMultimap)
*/
public static > R groupBy(
Iterable iterable,
Function function,
R target)
{
return IteratorIterate.groupBy(iterable.iterator(), function, target);
}
/**
* @see Iterate#groupByEach(Iterable, Function)
*/
public static FastListMultimap groupByEach(
Iterable iterable,
Function> function)
{
return IterableIterate.groupByEach(iterable, function, new FastListMultimap<>());
}
/**
* @see Iterate#groupByEach(Iterable, Function, MutableMultimap)
*/
public static > R groupByEach(
Iterable iterable,
Function> function,
R target)
{
return IteratorIterate.groupByEach(iterable.iterator(), function, target);
}
/**
* @see Iterate#groupByUniqueKey(Iterable, Function)
*/
public static MutableMap groupByUniqueKey(
Iterable iterable,
Function function)
{
return IterableIterate.groupByUniqueKey(iterable, function, UnifiedMap.newMap());
}
/**
* @see Iterate#groupByUniqueKey(Iterable, Function, MutableMap)
*/
public static > R groupByUniqueKey(
Iterable iterable,
Function function,
R target)
{
return IteratorIterate.groupByUniqueKey(iterable.iterator(), function, target);
}
public static T getOnly(Iterable iterable)
{
Iterator iterator = iterable.iterator();
if (!iterator.hasNext())
{
throw new IllegalArgumentException("Iterable is empty.");
}
T result = iterator.next();
if (iterator.hasNext())
{
throw new IllegalArgumentException("Iterable has multiple values");
}
return result;
}
/**
* @see Iterate#zip(Iterable, Iterable)
*/
public static MutableList> zip(
Iterable xs,
Iterable ys)
{
return IterableIterate.zip(xs, ys, FastList.newList());
}
/**
* @see Iterate#zip(Iterable, Iterable, Collection)
*/
public static >> R zip(
Iterable xs,
Iterable ys,
R target)
{
return IteratorIterate.zip(xs.iterator(), ys.iterator(), target);
}
/**
* @see Iterate#zipWithIndex(Iterable)
*/
public static MutableList> zipWithIndex(Iterable iterable)
{
return IterableIterate.zipWithIndex(iterable, FastList.newList());
}
/**
* @see Iterate#zipWithIndex(Iterable, Collection)
*/
public static >> R zipWithIndex(Iterable iterable, R target)
{
return IteratorIterate.zipWithIndex(iterable.iterator(), target);
}
/**
* @see Iterate#chunk(Iterable, int)
*/
public static RichIterable> chunk(Iterable iterable, int size)
{
return IteratorIterate.chunk(iterable.iterator(), size);
}
public static > T maxBy(Iterable iterable, Function function)
{
return IteratorIterate.maxBy(iterable.iterator(), function);
}
public static > T minBy(Iterable iterable, Function function)
{
return IteratorIterate.minBy(iterable.iterator(), function);
}
/**
* @see Iterate#min(Iterable, Comparator)
*/
public static T min(Iterable 