org.voovan.tools.collection

Class RocksMap.RocksMapIterator<K,V>

java.lang.Object

org.voovan.tools.collection.RocksMap.RocksMapIterator<K,V>

All Implemented Interfaces:

Closeable, AutoCloseable, Iterator<RocksMap.RocksMapEntry<K,V>>

Enclosing class:

RocksMap<K,V>

public class RocksMap.RocksMapIterator<K,V>
extends Object
implements Iterator<RocksMap.RocksMapEntry<K,V>>, Closeable

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	RocksMapIterator(RocksMap rocksMap, K fromKey, K toKey, int skipSize, int size)

Method Summary

Modifier and Type	Method and Description
void	close()
boolean	directNext(boolean valid) 只是执行 next 不反序列化数据
void	forEachRemaining(Consumer<? super RocksMap.RocksMapEntry<K,V>> action)
RocksMap.RocksMapEntry<K,V>	getEntry() 获取迭代器当前位置的 Entry
boolean	hasNext()
boolean	isValid() 迭代器当前位数数据是否有效
K	key() 获取 Key 的值
byte[]	keyBytes() 获取 Key 的值
RocksMap.RocksMapEntry<K,V>	next()
RocksMap.RocksMapEntry<K,V>	nextAndValid(boolean valid)
void	remove()
V	value() 获取 value 的值
byte[]	valueBytes() 获取 value 的值

Methods inherited from class java.lang.Object

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

Constructor Detail

RocksMapIterator

protected RocksMapIterator(RocksMap rocksMap,
                           K fromKey,
                           K toKey,
                           int skipSize,
                           int size)

Method Detail

getEntry

public RocksMap.RocksMapEntry<K,V> getEntry()

获取迭代器当前位置的 Entry

Returns:

RocksMapEntry对象

hasNext

public boolean hasNext()

Specified by:

hasNext in interface Iterator<RocksMap.RocksMapEntry<K,V>>

isValid

public boolean isValid()

迭代器当前位数数据是否有效

Returns:

true: 有效, false: 无效

key

public K key()

获取 Key 的值

Returns:

Key 的值

value

public V value()

获取 value 的值

Returns:

value 的值

keyBytes

public byte[] keyBytes()

获取 Key 的值

Returns:

Key 的值

valueBytes

public byte[] valueBytes()

获取 value 的值

Returns:

value 的值

directNext

public boolean directNext(boolean valid)

只是执行 next 不反序列化数据

Parameters:

valid - 是否验证当前迭代可用

Returns:

true: 成功, false: 失败

nextAndValid

public RocksMap.RocksMapEntry<K,V> nextAndValid(boolean valid)

next

public RocksMap.RocksMapEntry<K,V> next()

Specified by:

next in interface Iterator<RocksMap.RocksMapEntry<K,V>>

remove

public void remove()

Specified by:

remove in interface Iterator<RocksMap.RocksMapEntry<K,V>>

forEachRemaining

public void forEachRemaining(Consumer<? super RocksMap.RocksMapEntry<K,V>> action)

Specified by:

forEachRemaining in interface Iterator<RocksMap.RocksMapEntry<K,V>>

close

public void close()

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable