Example 6 with IndexEventHolder
use of io.siddhi.core.table.holder.IndexEventHolder in project siddhi by wso2.
the class CacheTableFIFO method deleteEntriesUsingCachePolicy.
@Override
public void deleteEntriesUsingCachePolicy(int numRowsToDelete) {
IndexEventHolder indexEventHolder = (IndexEventHolder) stateHolder.getState().getEventHolder();
if (numRowsToDelete >= indexEventHolder.size()) {
indexEventHolder.deleteAll();
} else {
Set<Object> keys = indexEventHolder.getAllPrimaryKeyValues();
TreeMap<Long, Object> toDelete = new TreeMap<>();
for (Object key : keys) {
if (toDelete.size() < numRowsToDelete) {
toDelete.put((Long) indexEventHolder.getEvent(key).getOutputData()[cachePolicyAttributePosition], key);
} else {
Long timestamp = (Long) indexEventHolder.getEvent(key).getOutputData()[cachePolicyAttributePosition];
Long firstKey = toDelete.firstKey();
if (timestamp < firstKey) {
toDelete.remove(firstKey);
toDelete.put(timestamp, key);
}
}
}
for (Object deleteKey : toDelete.values()) {
if (deleteKey != null) {
indexEventHolder.deleteEvent(deleteKey);
}
}
}
}
Also used :
IndexEventHolder(io.siddhi.core.table.holder.IndexEventHolder)
TreeMap(java.util.TreeMap)
Example 7 with IndexEventHolder
use of io.siddhi.core.table.holder.IndexEventHolder in project siddhi by wso2.
the class CacheTableLRU method deleteEntriesUsingCachePolicy.
@Override
public void deleteEntriesUsingCachePolicy(int numRowsToDelete) {
IndexEventHolder indexEventHolder = (IndexEventHolder) stateHolder.getState().getEventHolder();
if (numRowsToDelete >= indexEventHolder.size()) {
indexEventHolder.deleteAll();
} else {
Set<Object> keys = indexEventHolder.getAllPrimaryKeyValues();
TreeMap<Long, Object> toDelete = new TreeMap<>();
for (Object key : keys) {
if (toDelete.size() < numRowsToDelete) {
toDelete.put((Long) indexEventHolder.getEvent(key).getOutputData()[cachePolicyAttributePosition], key);
} else {
Long timestamp = (Long) indexEventHolder.getEvent(key).getOutputData()[cachePolicyAttributePosition];
Long firstKey = toDelete.firstKey();
if (timestamp < firstKey) {
toDelete.remove(firstKey);
toDelete.put(timestamp, key);
}
}
}
for (Object deleteKey : toDelete.values()) {
if (deleteKey != null) {
indexEventHolder.deleteEvent(deleteKey);
}
}
}
}
Also used :
IndexEventHolder(io.siddhi.core.table.holder.IndexEventHolder)
TreeMap(java.util.TreeMap)
Aggregations
IndexEventHolder (io.siddhi.core.table.holder.IndexEventHolder)7
TreeMap (java.util.TreeMap)3
SiddhiAppContext (io.siddhi.core.config.SiddhiAppContext)1
MetaStreamEvent (io.siddhi.core.event.stream.MetaStreamEvent)1
StreamEventCloner (io.siddhi.core.event.stream.StreamEventCloner)1
StreamEventFactory (io.siddhi.core.event.stream.StreamEventFactory)1
ZeroStreamEventConverter (io.siddhi.core.event.stream.converter.ZeroStreamEventConverter)1
StreamEventClonerHolder (io.siddhi.core.event.stream.holder.StreamEventClonerHolder)1
OperationNotSupportedException (io.siddhi.core.exception.OperationNotSupportedException)1
EventHolder (io.siddhi.core.table.holder.EventHolder)1
IndexEventHolderForCache (io.siddhi.core.table.holder.IndexEventHolderForCache)1
ListEventHolder (io.siddhi.core.table.holder.ListEventHolder)1
PrimaryKeyReferenceHolder (io.siddhi.core.table.holder.PrimaryKeyReferenceHolder)1
SiddhiConstants (io.siddhi.core.util.SiddhiConstants)1
Annotation (io.siddhi.query.api.annotation.Annotation)1
Element (io.siddhi.query.api.annotation.Element)1
AbstractDefinition (io.siddhi.query.api.definition.AbstractDefinition)1
Attribute (io.siddhi.query.api.definition.Attribute)1
SiddhiAppValidationException (io.siddhi.query.api.exception.SiddhiAppValidationException)1
AnnotationHelper (io.siddhi.query.api.util.AnnotationHelper)1
