com.alibaba.innodb.java.reader.service.impl

类 RecordIterator

java.lang.Object

com.alibaba.innodb.java.reader.service.impl.RecordIterator

所有已实现的接口:

Iterator<GenericRecord>

public class RecordIterator
extends Object
implements Iterator<GenericRecord>

Record iterator.

作者:

xu.zx

字段概要

字段

限定符和类型	字段和说明
protected boolean	asc
protected List<GenericRecord>	curr
protected int	currIndex
protected long	currPageNumber
protected long	endPageNumber
protected Index	indexPage
protected boolean	initialized

构造器概要

构造器

构造器和说明
RecordIterator()
RecordIterator(List<GenericRecord> curr)

方法概要

限定符和类型	方法和说明
boolean	doHasNext()
boolean	hasNext()
void	init() Initialization includes: 1.
GenericRecord	next()

从类继承的方法 java.lang.Object

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

从接口继承的方法 java.util.Iterator

forEachRemaining, remove

字段详细资料

initialized

protected boolean initialized

curr

protected List<GenericRecord> curr

currIndex

protected int currIndex

currPageNumber

protected long currPageNumber

endPageNumber

protected long endPageNumber

indexPage

protected Index indexPage

asc

protected boolean asc

构造器详细资料

RecordIterator

public RecordIterator()

RecordIterator

public RecordIterator(List<GenericRecord> curr)

方法详细资料

init

public void init()

Initialization includes:

• 1. Looking up starting and ending page number.
• 2. Load starting page and store records in curr

hasNext

public boolean hasNext()

指定者:

hasNext 在接口中 Iterator<GenericRecord>

doHasNext

public boolean doHasNext()

next

public GenericRecord next()

指定者:

next 在接口中 Iterator<GenericRecord>