jp.go.nict.langrid.commons.util

クラス CollectionUtil

java.lang.Object

jp.go.nict.langrid.commons.util.CollectionUtil

public class CollectionUtil
extends Object

バージョン:

$Revision: 639 $

作成者:

Takao Nakaguchi, $Author: t-nakaguchi $

コンストラクタのサマリー

コンストラクタ

コンストラクタと説明
CollectionUtil()

メソッドのサマリー

修飾子とタイプ	メソッドと説明
static <T,U> Map<T,U>	asMap(Map.Entry<T,U>... elements)
static <T,U> Map<T,U>	asMap(Pair<T,U>... elements)
static <T,U> List<U>	collect(Iterable<T> elements, Function<T,U> mapper)
static <T,U> void	collect(Iterator<T> iterator, Collection<U> target, Function<T,U> mapper)
static <T,U> List<U>	collect(Iterator<T> iterator, Function<T,U> mapper)
static <T> Collection<T>	emptyCollection()
static <T> boolean	equalsAsSet(Collection<T> value1, Collection<T> value2)
static <T> boolean	equalsAsSet(Collection<T> value1, Collection<T> value2, Class<T> clazz, String equalsMethodName)
static <T> boolean	equalsAsSet(Collection<T> value1, Collection<T> value2, Method equalsMethod)
static <T> Collection<T>	filter(Iterable<T> collection, Predicate<T> pred)
static <T> boolean[]	mapToBoolean(Collection<T> elements, Function<T,Boolean> mapper)
static <T> T[]	toArray(Collection<T> collection, Class<T> elementClass)
static <T> T[]	toArray(Collection<T> collection, Class<T> elementClass, int index, int count)

クラスから継承されたメソッド java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

コンストラクタの詳細

CollectionUtil

public CollectionUtil()

メソッドの詳細

equalsAsSet

public static <T> boolean equalsAsSet(Collection<T> value1,
                                      Collection<T> value2)

equalsAsSet

public static <T> boolean equalsAsSet(Collection<T> value1,
                                      Collection<T> value2,
                                      Class<T> clazz,
                                      String equalsMethodName)
                               throws IllegalAccessException,
                                      InvocationTargetException,
                                      NoSuchMethodException

例外:

IllegalAccessException

InvocationTargetException

NoSuchMethodException

equalsAsSet

public static <T> boolean equalsAsSet(Collection<T> value1,
                                      Collection<T> value2,
                                      Method equalsMethod)
                               throws IllegalAccessException,
                                      InvocationTargetException

例外:

IllegalAccessException

InvocationTargetException

asMap

@SafeVarargs
public static <T,U> Map<T,U> asMap(Pair<T,U>... elements)

asMap

@SafeVarargs
public static <T,U> Map<T,U> asMap(Map.Entry<T,U>... elements)

collect

public static <T,U> List<U> collect(Iterator<T> iterator,
                                    Function<T,U> mapper)

collect

public static <T,U> List<U> collect(Iterable<T> elements,
                                    Function<T,U> mapper)

collect

public static <T,U> void collect(Iterator<T> iterator,
                                 Collection<U> target,
                                 Function<T,U> mapper)

mapToBoolean

public static <T> boolean[] mapToBoolean(Collection<T> elements,
                                         Function<T,Boolean> mapper)

toArray

public static <T> T[] toArray(Collection<T> collection,
                              Class<T> elementClass)

toArray

public static <T> T[] toArray(Collection<T> collection,
                              Class<T> elementClass,
                              int index,
                              int count)

emptyCollection

public static <T> Collection<T> emptyCollection()

filter

public static <T> Collection<T> filter(Iterable<T> collection,
                                       Predicate<T> pred)