edu.uci.ics.crawler4j.frontier

Class WorkQueues

java.lang.Object

edu.uci.ics.crawler4j.frontier.WorkQueues

Direct Known Subclasses:

InProcessPagesDB

public class WorkQueues
extends Object

Author:

Yasser Ganjisaffar

Field Summary

Fields

Modifier and Type	Field and Description
protected Object	mutex

Constructor Summary

Constructors

Constructor and Description
WorkQueues(com.sleepycat.je.Environment env, String dbName, boolean resumable)

Method Summary

Modifier and Type	Method and Description
protected com.sleepycat.je.Transaction	beginTransaction()
void	close()
protected static void	commit(com.sleepycat.je.Transaction tnx)
void	delete(int count)
List<WebURL>	get(int max)
protected static com.sleepycat.je.DatabaseEntry	getDatabaseEntryKey(WebURL url)
long	getLength()
protected com.sleepycat.je.Cursor	openCursor(com.sleepycat.je.Transaction txn)
void	put(WebURL url)

Methods inherited from class java.lang.Object

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

Field Detail

mutex

protected final Object mutex

Constructor Detail

WorkQueues

public WorkQueues(com.sleepycat.je.Environment env,
                  String dbName,
                  boolean resumable)

Method Detail

beginTransaction

protected com.sleepycat.je.Transaction beginTransaction()

commit

protected static void commit(com.sleepycat.je.Transaction tnx)

openCursor

protected com.sleepycat.je.Cursor openCursor(com.sleepycat.je.Transaction txn)

get

public List<WebURL> get(int max)

delete

public void delete(int count)

getDatabaseEntryKey

protected static com.sleepycat.je.DatabaseEntry getDatabaseEntryKey(WebURL url)

put

public void put(WebURL url)

getLength

public long getLength()

close

public void close()