cn.edu.hfut.dmic.webcollector.crawldb

类 DBManager

java.lang.Object

cn.edu.hfut.dmic.webcollector.crawldb.DBManager

所有已实现的接口:

Injector, SegmentWriter

直接已知子类:

BerkeleyDBManager, RamDBManager

public abstract class DBManager
extends Object
implements Injector, SegmentWriter

作者:

hu

构造器概要

构造器

构造器和说明
DBManager()

方法概要

限定符和类型	方法和说明
abstract void	clear()
abstract void	close()
abstract Generator	getGenerator()
void	inject(CrawlDatum datum)
abstract void	inject(CrawlDatum datum, boolean force)
void	inject(CrawlDatums datums)
abstract void	inject(CrawlDatums datums, boolean force)
void	inject(Links links)
void	inject(Links links, boolean force)
void	inject(String url)
void	inject(String url, boolean force)
abstract boolean	isDBExists()
abstract void	merge()
abstract void	open()

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 cn.edu.hfut.dmic.webcollector.crawldb.SegmentWriter

closeSegmentWriter, initSegmentWriter, writeFetchSegment, writeParseSegment

构造器详细资料

DBManager

public DBManager()

方法详细资料

isDBExists

public abstract boolean isDBExists()

clear

public abstract void clear()
                    throws Exception

抛出:

Exception

getGenerator

public abstract Generator getGenerator()

open

public abstract void open()
                   throws Exception

抛出:

Exception

close

public abstract void close()
                    throws Exception

抛出:

Exception

inject

public abstract void inject(CrawlDatum datum,
                            boolean force)
                     throws Exception

抛出:

Exception

inject

public abstract void inject(CrawlDatums datums,
                            boolean force)
                     throws Exception

抛出:

Exception

merge

public abstract void merge()
                    throws Exception

抛出:

Exception

inject

public void inject(CrawlDatum datum)
            throws Exception

指定者:

inject 在接口中 Injector

抛出:

Exception

inject

public void inject(CrawlDatums datums)
            throws Exception

抛出:

Exception

inject

public void inject(Links links,
                   boolean force)
            throws Exception

抛出:

Exception

inject

public void inject(Links links)
            throws Exception

抛出:

Exception

inject

public void inject(String url,
                   boolean force)
            throws Exception

抛出:

Exception

inject

public void inject(String url)
            throws Exception

抛出:

Exception