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yacy_search_server/source/de/anomic/server/serverBusyThread.java

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// serverBusyThread.java
// (C) 2008 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany
// first published 27.03.2008 on http://yacy.net
//
// $LastChangedDate: 2006-04-02 22:40:07 +0200 (So, 02 Apr 2006) $
// $LastChangedRevision: 1986 $
// $LastChangedBy: orbiter $
//
// LICENSE
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
package de.anomic.server;
public interface serverBusyThread extends serverThread {
public void setStartupSleep(long milliseconds);
// sets a sleep time before execution of the job-loop
public long setIdleSleep(long milliseconds);
// sets a sleep time for pauses between two jobs if the job returns false (idle)
public long setBusySleep(long milliseconds);
// sets a sleep time for pauses between two jobs if the job returns true (busy)
public void setMemPreReqisite(long freeBytes);
// sets minimum required amount of memory for the job execution
public void setObeyIntermission(boolean obey);
// defines if the thread should obey the intermission command
public long getIdleCycles();
// returns the total number of cycles of job execution with idle-result
public long getBusyCycles();
// returns the total number of cycles of job execution with busy-result
public long getOutOfMemoryCycles();
// returns the total number of cycles where
// a job execution was omitted because of memory shortage
public long getSleepTime();
// returns the total time that this thread has slept so far
public void intermission(long pause);
// the thread is forced to pause for a specific time
// if the thread is busy meanwhile, the pause is ommitted
public boolean job() throws Exception;
// performes one job procedure; this loopes until terminate() is called
// job returns true if it has done something
// it returns false if it is idle and does not expect to work on more for a longer time
public void freemem();
// is called when an outOfMemoryCycle is performed
// this method should try to free some memory, so that the job can be executed
public void notifyThread();
}