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More conservative approach for locking of jobs table

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This commit is contained in:
Tom Morris 2013-07-26 18:51:08 -04:00
parent 0dc14af1aa
commit 5123dad6a8
1 changed files with 7 additions and 3 deletions
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10
main/src/com/google/refine/importing/ImportingManager.java
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@ -35,6 +35,7 @@ package com.google.refine.importing;
import java.io.File;
import java.io.IOException;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedList;
@ -44,7 +45,6 @@ import java.util.Properties;
import java.util.Set;
import java.util.Timer;
import java.util.TimerTask;
import java.util.concurrent.ConcurrentHashMap;
import org.apache.commons.io.FileUtils;
import org.json.JSONException;
@ -83,7 +83,7 @@ public class ImportingManager {
static private RefineServlet servlet;
static private File importDir;
final static private Map<Long, ImportingJob> jobs = new ConcurrentHashMap<Long, ImportingJob>();
final static private Map<Long, ImportingJob> jobs = Collections.synchronizedMap(new HashMap<Long, ImportingJob>());
// Mapping from format to label, e.g., "text" to "Text files", "text/xml" to "XML files"
final static public Map<String, Format> formatToRecord = new HashMap<String, Format>();
@ -289,7 +289,11 @@ public class ImportingManager {
static private void cleanUpStaleJobs() {
long now = System.currentTimeMillis();
for (Long id : jobs.keySet()) {
HashSet<Long> keys;
synchronized(jobs) {
keys = new HashSet<Long>(jobs.keySet());
}
for (Long id : keys) {
ImportingJob job = jobs.get(id);
if (job != null && !job.updating && now - job.lastTouched > s_stalePeriod) {
job.dispose();