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java.lang.Objectcom.espertech.esper.epl.join.table.PropertyIndexedEventTable
com.espertech.esper.epl.join.table.PropertyIndexedEventTableUnique
public class PropertyIndexedEventTableUnique
Field Summary | |
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protected java.util.Map<MultiKeyUntyped,EventBean> |
propertyIndex
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Fields inherited from class com.espertech.esper.epl.join.table.PropertyIndexedEventTable |
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propertyGetters, streamNum |
Constructor Summary | |
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PropertyIndexedEventTableUnique(int streamNum,
EventPropertyGetter[] propertyGetters,
java.lang.String indexName)
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Method Summary | |
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void |
add(EventBean[] events)
Add an array of events. |
void |
addRemove(EventBean[] newData,
EventBean[] oldData)
Remove then add events. |
void |
clear()
Clear out index. |
protected static EPException |
handleUniqueIndexViolation(java.lang.String indexName,
java.lang.Object key)
|
boolean |
isEmpty()
Returns true if the index is empty, or false if not |
java.util.Iterator<EventBean> |
iterator()
Returns an iterator over events in the table. |
java.util.Set<EventBean> |
lookup(java.lang.Object[] keys)
Returns the set of events that have the same property value as the given event. |
void |
remove(EventBean[] events)
Remove events. |
java.lang.String |
toQueryPlan()
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Methods inherited from class com.espertech.esper.epl.join.table.PropertyIndexedEventTable |
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getMultiKey |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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protected final java.util.Map<MultiKeyUntyped,EventBean> propertyIndex
Constructor Detail |
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public PropertyIndexedEventTableUnique(int streamNum, EventPropertyGetter[] propertyGetters, java.lang.String indexName)
Method Detail |
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public void addRemove(EventBean[] newData, EventBean[] oldData)
addRemove
in interface EventTable
addRemove
in class PropertyIndexedEventTable
newData
- to addoldData
- to removepublic void add(EventBean[] events)
add
in interface EventTable
add
in class PropertyIndexedEventTable
events
- to add
java.lang.IllegalArgumentException
- if the event was already existed in the indexpublic void remove(EventBean[] events)
remove
in interface EventTable
remove
in class PropertyIndexedEventTable
events
- to be removed, can be null instead of an empty array.
java.lang.IllegalArgumentException
- when the event could not be removed as its not in the indexpublic java.util.Set<EventBean> lookup(java.lang.Object[] keys)
lookup
in class PropertyIndexedEventTable
keys
- to compare against
protected static EPException handleUniqueIndexViolation(java.lang.String indexName, java.lang.Object key)
public boolean isEmpty()
EventTable
isEmpty
in interface EventTable
isEmpty
in class PropertyIndexedEventTable
public java.util.Iterator<EventBean> iterator()
EventTable
iterator
in interface EventTable
iterator
in interface java.lang.Iterable<EventBean>
iterator
in class PropertyIndexedEventTable
public void clear()
EventTable
clear
in interface EventTable
clear
in class PropertyIndexedEventTable
public java.lang.String toQueryPlan()
toQueryPlan
in interface EventTable
toQueryPlan
in class PropertyIndexedEventTable
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© 2006-2011 EsperTech Inc. All rights reserved. Visit us at espertech.com |
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