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yacy_search_server/source/de/anomic/crawler/LoaderMessage.java

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//plasmaCrawlLoaderMessage.java
//------------------------
//part of YaCy
//(C) by Michael Peter Christen; mc@anomic.de
//first published on http://www.anomic.de
//Frankfurt, Germany, 2004
//last major change: 21.04.2005 by Martin Thelian
//
//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
//
//Using this software in any meaning (reading, learning, copying, compiling,
//running) means that you agree that the Author(s) is (are) not responsible
//for cost, loss of data or any harm that may be caused directly or indirectly
//by usage of this softare or this documentation. The usage of this software
//is on your own risk. The installation and usage (starting/running) of this
//software may allow other people or application to access your computer and
//any attached devices and is highly dependent on the configuration of the
//software which must be done by the user of the software; the author(s) is
//(are) also not responsible for proper configuration and usage of the
//software, even if provoked by documentation provided together with
//the software.
//
//Any changes to this file according to the GPL as documented in the file
//gpl.txt aside this file in the shipment you received can be done to the
//lines that follows this copyright notice here, but changes must not be
//done inside the copyright notive above. A re-distribution must contain
//the intact and unchanged copyright notice.
//Contributions and changes to the program code must be marked as such.
package de.anomic.crawler;
import de.anomic.plasma.plasmaHTCache;
import de.anomic.server.serverSemaphore;
import de.anomic.yacy.yacyURL;
public final class LoaderMessage {
public final int crawlingPriority;
public final yacyURL url;
public final String name;
public final String referer;
public final String initiator;
public final int depth;
public final CrawlProfile.entry profile;
public final boolean acceptAllContent;
public final int timeout;
public final boolean keepInMemory;
private serverSemaphore resultSync = null;
private plasmaHTCache.Entry result;
private String errorMessage;
// loadParallel(URL url, String referer, String initiator, int depth, plasmaCrawlProfile.entry profile) {
public LoaderMessage(
yacyURL url,
String name, // the name of the url, from anchor tag <a>name</a>
String referer,
String initiator,
int depth,
CrawlProfile.entry profile,
int crawlingPriority,
boolean acceptAllContent,
int timeout,
boolean keepInMemory
) {
this.url = url;
this.name = name;
this.referer = referer;
this.initiator = initiator;
this.depth = depth;
this.profile = profile;
this.crawlingPriority = crawlingPriority;
this.acceptAllContent = acceptAllContent;
this.timeout = timeout;
this.keepInMemory = keepInMemory;
this.resultSync = new serverSemaphore(0);
this.result = null;
}
public void setError(String errorMessage) {
this.errorMessage = errorMessage;
}
public String getError() {
return this.errorMessage;
}
public void setResult(plasmaHTCache.Entry theResult) {
// store the result
this.result = theResult;
// notify blocking result readers
this.resultSync.V();
}
public plasmaHTCache.Entry waitForResult() throws InterruptedException {
plasmaHTCache.Entry theResult = null;
this.resultSync.P();
/* =====> CRITICAL SECTION <======== */
theResult = this.result;
/* =====> CRITICAL SECTION <======== */
this.resultSync.V();
return theResult;
}
}