org.dromara.hutool.core.stream

Class AbstractEnhancedWrappedStream<T,S extends AbstractEnhancedWrappedStream<T,S>>

java.lang.Object

org.dromara.hutool.core.stream.AbstractEnhancedWrappedStream<T,S>

Type Parameters:

T - 流中的元素类型

S - AbstractEnhancedWrappedStream的实现类类型

All Implemented Interfaces:

AutoCloseable, Iterable<T>, BaseStream<T,Stream<T>>, Stream<T>, TerminableWrappedStream<T,S>, TransformableWrappedStream<T,S>, WrappedStream<T,S>

Direct Known Subclasses:

EasyStream, EntryStream

public abstract class AbstractEnhancedWrappedStream<T,S extends AbstractEnhancedWrappedStream<T,S>>
extends Object
implements TerminableWrappedStream<T,S>, TransformableWrappedStream<T,S>

WrappedStream接口的公共实现，用于包装并增强一个已有的流实例

Since:

6.0.0

Author:

huangchengxing VampireAchao

See Also:

EasyStream, EntryStream

Nested Class Summary

Nested classes/interfaces inherited from interface java.util.stream.Stream

Stream.Builder<T>

Field Summary

Fields

Modifier and Type	Field and Description
protected Stream<T>	stream 原始流实例

Fields inherited from interface org.dromara.hutool.core.stream.WrappedStream

NOT_FOUND_ELEMENT_INDEX

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractEnhancedWrappedStream(Stream<T> stream) 创建一个流包装器

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object obj) 比较被包装的实例是否相等
void	exec() 触发流的执行，这是一个终端操作
int	hashCode() 获取当前被包装的实例的哈希值
String	toString() 将被包装的实例转为字符串
Stream<T>	unwrap() 获取被包装的元素流实例

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.dromara.hutool.core.stream.TerminableWrappedStream

at, findFirst, findFirstIdx, findLast, findLast, findLastIdx, forEachIdx, forEachOrderedIdx, group, group, group, isEmpty, isNotEmpty, join, join, join, partition, partition, partition, toColl, toIdxMap, toIdxMap, toList, toMap, toMap, toMap, toMap, toSet, toUnmodifiableList, toUnmodifiableMap, toUnmodifiableMap, toUnmodifiableSet, toZip

Methods inherited from interface org.dromara.hutool.core.stream.TransformableWrappedStream

append, distinct, dropWhile, filter, filterIdx, flat, flat, flatMap, flatMapIdx, flatNonNull, flatTree, log, map, mapIdx, mapMulti, mapNonNull, nonNull, parallel, peekIdx, prepend, push, reverse, splice, split, splitList, takeWhile, toEntries, toEntries, unshift, zip

Methods inherited from interface org.dromara.hutool.core.stream.WrappedStream

allMatch, anyMatch, close, collect, collect, count, distinct, easyStream, filter, findAny, findFirst, flatMapToDouble, flatMapToInt, flatMapToLong, forEach, forEachOrdered, isParallel, iterator, limit, mapToDouble, mapToInt, mapToLong, max, min, noneMatch, onClose, parallel, peek, reduce, reduce, reduce, sequential, skip, sorted, sorted, spliterator, toArray, toArray, unordered, wrap

Methods inherited from interface java.util.stream.Stream

builder, concat, empty, generate, iterate, of, of

Field Detail

stream

protected Stream<T> stream

原始流实例

Constructor Detail

AbstractEnhancedWrappedStream

protected AbstractEnhancedWrappedStream(Stream<T> stream)

创建一个流包装器

Parameters:

stream - 包装的流对象

Throws:

NullPointerException - 当unwrap为null时抛出

Method Detail

unwrap

public Stream<T> unwrap()

获取被包装的元素流实例

Specified by:

unwrap in interface WrappedStream<T,S extends AbstractEnhancedWrappedStream<T,S>>

Returns:

被当前实例包装的流对象

hashCode

public int hashCode()

获取当前被包装的实例的哈希值

Specified by:

hashCode in interface WrappedStream<T,S extends AbstractEnhancedWrappedStream<T,S>>

Overrides:

hashCode in class Object

Returns:

哈希值

equals

public boolean equals(Object obj)

比较被包装的实例是否相等

Specified by:

equals in interface WrappedStream<T,S extends AbstractEnhancedWrappedStream<T,S>>

Overrides:

equals in class Object

Parameters:

obj - 对象

Returns:

是否相等

toString

public String toString()

将被包装的实例转为字符串

Specified by:

toString in interface WrappedStream<T,S extends AbstractEnhancedWrappedStream<T,S>>

Overrides:

toString in class Object

Returns:

字符串

exec

public void exec()

触发流的执行，这是一个终端操作