org.dspace.harvest
Class OAIHarvester.HarvestScheduler

java.lang.Object
  org.dspace.harvest.OAIHarvester.HarvestScheduler

All Implemented Interfaces:

Runnable

Enclosing class:

OAIHarvester

public static class OAIHarvester.HarvestScheduler
extends Object
implements Runnable

The class responsible for scheduling harvesting cycles are regular intervals.

Author:

alexey

Field Summary

protected static Integer	activeThreads
static int	HARVESTER_INTERRUPT_INSERT_THREAD
static int	HARVESTER_INTERRUPT_KILL_THREAD
static int	HARVESTER_INTERRUPT_NONE
static int	HARVESTER_INTERRUPT_PAUSE
static int	HARVESTER_INTERRUPT_RESUME
static int	HARVESTER_INTERRUPT_STOP
static int	HARVESTER_STATUS_PAUSED
static int	HARVESTER_STATUS_RUNNING
static int	HARVESTER_STATUS_SLEEPING
static int	HARVESTER_STATUS_STOPPED
static Object	lock

Constructor Summary

OAIHarvester.HarvestScheduler()

Method Summary

static void	addThread(int collecionID) Adds a thread to the ready stack.
static String	getStatus()
static boolean	hasStatus(int statusToCheck)
void	run()
static void	setInterrupt(int newInterrupt)
static void	setInterrupt(int newInterrupt, int newInterruptValue)

Methods inherited from class java.lang.Object

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

Field Detail

lock

public static final Object lock

activeThreads

protected static volatile Integer activeThreads

HARVESTER_STATUS_RUNNING

public static final int HARVESTER_STATUS_RUNNING

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Constant Field Values

HARVESTER_STATUS_SLEEPING

public static final int HARVESTER_STATUS_SLEEPING

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Constant Field Values

HARVESTER_STATUS_PAUSED

public static final int HARVESTER_STATUS_PAUSED

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Constant Field Values

HARVESTER_STATUS_STOPPED

public static final int HARVESTER_STATUS_STOPPED

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Constant Field Values

HARVESTER_INTERRUPT_NONE

public static final int HARVESTER_INTERRUPT_NONE

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Constant Field Values

HARVESTER_INTERRUPT_PAUSE

public static final int HARVESTER_INTERRUPT_PAUSE

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Constant Field Values

HARVESTER_INTERRUPT_STOP

public static final int HARVESTER_INTERRUPT_STOP

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Constant Field Values

HARVESTER_INTERRUPT_RESUME

public static final int HARVESTER_INTERRUPT_RESUME

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Constant Field Values

HARVESTER_INTERRUPT_INSERT_THREAD

public static final int HARVESTER_INTERRUPT_INSERT_THREAD

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Constant Field Values

HARVESTER_INTERRUPT_KILL_THREAD

public static final int HARVESTER_INTERRUPT_KILL_THREAD

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Constant Field Values

Constructor Detail

OAIHarvester.HarvestScheduler

public OAIHarvester.HarvestScheduler()
                              throws SQLException,
                                     AuthorizeException

Throws:

SQLException

AuthorizeException

Method Detail

hasStatus

public static boolean hasStatus(int statusToCheck)

setInterrupt

public static void setInterrupt(int newInterrupt)

setInterrupt

public static void setInterrupt(int newInterrupt,
                                int newInterruptValue)

getStatus

public static String getStatus()

run

public void run()

Specified by:

run in interface Runnable

addThread

public static void addThread(int collecionID)
                      throws SQLException,
                             IOException,
                             AuthorizeException

Adds a thread to the ready stack. Can also be called externally to queue up a collection for harvesting before it is "due" for another cycle. This allows starting a harvest process from the UI that still "plays nice" with these thread mechanics instead of making an asynchronous call to runHarvest().

Throws:

SQLException

IOException

AuthorizeException