/**
* Get an ESP content manager based on a collection name and a cluster location
*
* @param collectionName collection to get manager for
* @param loc cluster location
* @param callbackHandler for handling ESP callbacks
* @return content manager
* @throws ContentManagerException if an error occurs
*/
private IContentManager getContentManager(
String collectionName, ClusterLocation loc, ESPCallbackHandler callbackHandler)
throws ContentManagerException {
Cluster cluster = m_clusterManager.getCluster(loc.getClusterId());
try {
IContentManagerFactory contentManagerFactory =
ContentManagerFactory.newInstance(cluster.getProperties());
return contentManagerFactory.create(
collectionName, cluster.getProperties(), callbackHandler, 0, false);
} catch (FactoryException e) {
throw new ContentManagerException("FactoryException", e);
}
}
/**
* @param loc ClusterLocation
* @param keysToRemove content ids to remove
* @return ids that failed to purge
* @throws IndexException if an error occurs
*/
public Set<String> purgeIndexData(
final String collectionName, final ClusterLocation loc, final Set<String> keysToRemove)
throws IndexException {
if (s_logCategory.isDebugEnabled()) {
s_logCategory.debug(
"purgeIndexData("
+ collectionName
+ ","
+ loc.getName()
+ ",...) # items = "
+ keysToRemove.size());
}
// if not thing to do, just return empty list
if (CollectionsUtils.isNullOrEmpty(keysToRemove)) {
return Collections.emptySet();
}
Cluster cluster = m_clusterManager.getCluster(loc.getClusterId());
if (!cluster.isPurgeEnabled() || !loc.isPurgeEnabled()) {
s_logCategory.warn(
"Not processing "
+ keysToRemove.size()
+ " items because purge is disabled on "
+ cluster
+ " and "
+ loc);
return keysToRemove; // fail all
}
try {
final RoutingAttributes ra = new RoutingAttributes();
ra.addElement("column", String.valueOf(loc.getColumnId()));
final List<RoutingAttributes> routingAttributes =
new ArrayList<RoutingAttributes>(
Itertools.map(
new UnaryFunction<String, RoutingAttributes>() {
public RoutingAttributes execute(String key) {
return ra;
}
},
keysToRemove));
Set<String> results =
new HashSet<String>(
(new FASTExecuteFunction(collectionName, loc, "purge", keysToRemove) {
public String executeWithFAST(IContentManager fast)
throws ContentManagerException {
// s_logCategory.debug("Calling fast.removeContents() with keys, subsystems
// and routing attributes (sz=" + routingAttributes.size() + ")");
return fast.removeContents(
keysToRemove, Arrays.asList(DOC_PROC, INDEXING), routingAttributes);
}
})
.execute(getBatchTimeoutMillis())
.keySet());
if (!CollectionsUtils.isNullOrEmpty(results)) {
s_logCategory.info("There were " + results.size() + " failed items at location " + loc);
}
if (s_logCategory.isDebugEnabled()) {
s_logCategory.debug("Failed items at location " + loc.getName() + ": " + results);
}
return results;
} catch (ContentManagerException e) {
throw new IndexException("ContentManagerException", e);
}
}