org.wso2.siddhi.core.table.record

Class RecordTableHandler

java.lang.Object

org.wso2.siddhi.core.table.record.RecordTableHandler

public abstract class RecordTableHandler
extends Object

RecordTableHandler is an optional handler that can be implemented to do processing on output events before sending to the AbstractRecordTable.

Constructor Summary

Constructors

Constructor and Description
RecordTableHandler()

Method Summary

Modifier and Type	Method and Description
void	add(long timestamp, List<Object[]> records)
abstract void	add(long timestamp, List<Object[]> records, RecordTableHandlerCallback recordTableHandlerCallback)
boolean	contains(long timestamp, Map<String,Object> containsConditionParameterMap, CompiledCondition compiledCondition)
abstract boolean	contains(long timestamp, Map<String,Object> containsConditionParameterMap, CompiledCondition compiledCondition, RecordTableHandlerCallback recordTableHandlerCallback)
void	delete(long timestamp, List<Map<String,Object>> deleteConditionParameterMaps, CompiledCondition compiledCondition)
abstract void	delete(long timestamp, List<Map<String,Object>> deleteConditionParameterMaps, CompiledCondition compiledCondition, RecordTableHandlerCallback recordTableHandlerCallback)
Iterator<Object[]>	find(long timestamp, Map<String,Object> findConditionParameterMap, CompiledCondition compiledCondition)
abstract Iterator<Object[]>	find(long timestamp, Map<String,Object> findConditionParameterMap, CompiledCondition compiledCondition, RecordTableHandlerCallback recordTableHandlerCallback)
String	getElementId()
abstract void	init(String elementId, org.wso2.siddhi.query.api.definition.TableDefinition tableDefinition) Initialize the Record Table Handler
protected void	init(String elementId, org.wso2.siddhi.query.api.definition.TableDefinition tableDefinition, RecordTableHandlerCallback recordTableHandlerCallback)
Iterator<Object[]>	query(long timestamp, Map<String,Object> parameterMap, CompiledCondition compiledCondition, CompiledSelection compiledSelection) Deprecated.
Iterator<Object[]>	query(long timestamp, Map<String,Object> parameterMap, CompiledCondition compiledCondition, CompiledSelection compiledSelection, org.wso2.siddhi.query.api.definition.Attribute[] outputAttributes)
abstract Iterator<Object[]>	query(long timestamp, Map<String,Object> parameterMap, CompiledCondition compiledCondition, CompiledSelection compiledSelection, org.wso2.siddhi.query.api.definition.Attribute[] outputAttributes, RecordTableHandlerCallback recordTableHandlerCallback)
abstract Iterator<Object[]>	query(long timestamp, Map<String,Object> parameterMap, CompiledCondition compiledCondition, CompiledSelection compiledSelection, RecordTableHandlerCallback recordTableHandlerCallback) Deprecated.
void	update(long timestamp, CompiledCondition compiledCondition, List<Map<String,Object>> updateConditionParameterMaps, LinkedHashMap<String,CompiledExpression> updateSetMap, List<Map<String,Object>> updateSetParameterMaps)
abstract void	update(long timestamp, CompiledCondition updateCondition, List<Map<String,Object>> updateConditionParameterMaps, LinkedHashMap<String,CompiledExpression> updateSetExpressions, List<Map<String,Object>> updateSetParameterMaps, RecordTableHandlerCallback recordTableHandlerCallback)
void	updateOrAdd(long timestamp, CompiledCondition compiledCondition, List<Map<String,Object>> updateConditionParameterMaps, LinkedHashMap<String,CompiledExpression> updateSetMap, List<Map<String,Object>> updateSetParameterMaps, List<Object[]> addingRecords)
abstract void	updateOrAdd(long timestamp, CompiledCondition updateCondition, List<Map<String,Object>> updateConditionParameterMaps, LinkedHashMap<String,CompiledExpression> updateSetExpressions, List<Map<String,Object>> updateSetParameterMaps, List<Object[]> addingRecords, RecordTableHandlerCallback recordTableHandlerCallback)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RecordTableHandler

public RecordTableHandler()

Method Detail

getElementId

public String getElementId()

init

protected final void init(String elementId,
                          org.wso2.siddhi.query.api.definition.TableDefinition tableDefinition,
                          RecordTableHandlerCallback recordTableHandlerCallback)

init

public abstract void init(String elementId,
                          org.wso2.siddhi.query.api.definition.TableDefinition tableDefinition)

Initialize the Record Table Handler

Parameters:

elementId - is the generated id for the record table handler

tableDefinition - is the definition of the table with annotations if any

add

public void add(long timestamp,
                List<Object[]> records)
         throws ConnectionUnavailableException

Throws:

ConnectionUnavailableException

add

public abstract void add(long timestamp,
                         List<Object[]> records,
                         RecordTableHandlerCallback recordTableHandlerCallback)
                  throws ConnectionUnavailableException

Parameters:

timestamp - the timestamp of the last event in the event chunk

records - records that need to be added to the table, each Object[] represent a record and it will match the attributes of the Table Definition.

recordTableHandlerCallback - call back to do operations on the record table

Throws:

ConnectionUnavailableException

delete

public void delete(long timestamp,
                   List<Map<String,Object>> deleteConditionParameterMaps,
                   CompiledCondition compiledCondition)
            throws ConnectionUnavailableException

Throws:

ConnectionUnavailableException

delete

public abstract void delete(long timestamp,
                            List<Map<String,Object>> deleteConditionParameterMaps,
                            CompiledCondition compiledCondition,
                            RecordTableHandlerCallback recordTableHandlerCallback)
                     throws ConnectionUnavailableException

Parameters:

timestamp - the timestamp of the last event in the event chunk

deleteConditionParameterMaps - map of matching StreamVariable Ids and their values corresponding to the compiled condition

compiledCondition - the compiledCondition against which records should be matched for deletion

recordTableHandlerCallback - call back to do operations on the record table

Throws:

ConnectionUnavailableException

update

public void update(long timestamp,
                   CompiledCondition compiledCondition,
                   List<Map<String,Object>> updateConditionParameterMaps,
                   LinkedHashMap<String,CompiledExpression> updateSetMap,
                   List<Map<String,Object>> updateSetParameterMaps)
            throws ConnectionUnavailableException

Throws:

ConnectionUnavailableException

update

public abstract void update(long timestamp,
                            CompiledCondition updateCondition,
                            List<Map<String,Object>> updateConditionParameterMaps,
                            LinkedHashMap<String,CompiledExpression> updateSetExpressions,
                            List<Map<String,Object>> updateSetParameterMaps,
                            RecordTableHandlerCallback recordTableHandlerCallback)
                     throws ConnectionUnavailableException

Parameters:

timestamp - the timestamp of the last event in the event chunk

updateCondition - the compiledCondition against which records should be matched for update

updateConditionParameterMaps - map of matching StreamVariable Ids and their values corresponding to the compiled condition based on which the records will be updated

updateSetExpressions - the set of updates mappings and related complied expressions

updateSetParameterMaps - map of matching StreamVariable Ids and their values corresponding to the

recordTableHandlerCallback - call back to do operations on the record table

Throws:

ConnectionUnavailableException

updateOrAdd

public void updateOrAdd(long timestamp,
                        CompiledCondition compiledCondition,
                        List<Map<String,Object>> updateConditionParameterMaps,
                        LinkedHashMap<String,CompiledExpression> updateSetMap,
                        List<Map<String,Object>> updateSetParameterMaps,
                        List<Object[]> addingRecords)
                 throws ConnectionUnavailableException

Throws:

ConnectionUnavailableException

updateOrAdd

public abstract void updateOrAdd(long timestamp,
                                 CompiledCondition updateCondition,
                                 List<Map<String,Object>> updateConditionParameterMaps,
                                 LinkedHashMap<String,CompiledExpression> updateSetExpressions,
                                 List<Map<String,Object>> updateSetParameterMaps,
                                 List<Object[]> addingRecords,
                                 RecordTableHandlerCallback recordTableHandlerCallback)
                          throws ConnectionUnavailableException

Parameters:

timestamp - the timestamp of the last event in the event chunk

updateCondition - the compiledCondition against which records should be matched for update

updateConditionParameterMaps - map of matching StreamVariable Ids and their values corresponding to the compiled condition based on which the records will be updated

updateSetExpressions - the set of updates mappings and related complied expressions

updateSetParameterMaps - map of matching StreamVariable Ids and their values corresponding to the update set

addingRecords - the values for adding new records if the update condition did not match

recordTableHandlerCallback - call back to do operations on the record table

Throws:

ConnectionUnavailableException

find

public Iterator<Object[]> find(long timestamp,
                               Map<String,Object> findConditionParameterMap,
                               CompiledCondition compiledCondition)
                        throws ConnectionUnavailableException

Throws:

ConnectionUnavailableException

find

public abstract Iterator<Object[]> find(long timestamp,
                                        Map<String,Object> findConditionParameterMap,
                                        CompiledCondition compiledCondition,
                                        RecordTableHandlerCallback recordTableHandlerCallback)
                                 throws ConnectionUnavailableException

Parameters:

timestamp - the timestamp of the event used to match from record table

findConditionParameterMap - map of matching StreamVariable Ids and their values corresponding to the compiled condition

compiledCondition - the compiledCondition against which records should be matched

recordTableHandlerCallback - call back to do operations on the record table

Returns:

RecordIterator of matching records

Throws:

ConnectionUnavailableException

contains

public boolean contains(long timestamp,
                        Map<String,Object> containsConditionParameterMap,
                        CompiledCondition compiledCondition)
                 throws ConnectionUnavailableException

Throws:

ConnectionUnavailableException

contains

public abstract boolean contains(long timestamp,
                                 Map<String,Object> containsConditionParameterMap,
                                 CompiledCondition compiledCondition,
                                 RecordTableHandlerCallback recordTableHandlerCallback)
                          throws ConnectionUnavailableException

Parameters:

timestamp - the timestamp of the event used to match from record table

containsConditionParameterMap - map of matching StreamVariable Ids and their values corresponding to the compiled condition

compiledCondition - the compiledCondition against which records should be matched

recordTableHandlerCallback - call back to do operations on the record table

Returns:

if matching record found or not

Throws:

ConnectionUnavailableException

query

@Deprecated
public Iterator<Object[]> query(long timestamp,
                                            Map<String,Object> parameterMap,
                                            CompiledCondition compiledCondition,
                                            CompiledSelection compiledSelection)
                                     throws ConnectionUnavailableException

Deprecated.

Throws:

ConnectionUnavailableException

query

public Iterator<Object[]> query(long timestamp,
                                Map<String,Object> parameterMap,
                                CompiledCondition compiledCondition,
                                CompiledSelection compiledSelection,
                                org.wso2.siddhi.query.api.definition.Attribute[] outputAttributes)
                         throws ConnectionUnavailableException

Throws:

ConnectionUnavailableException

query

@Deprecated
public abstract Iterator<Object[]> query(long timestamp,
                                                     Map<String,Object> parameterMap,
                                                     CompiledCondition compiledCondition,
                                                     CompiledSelection compiledSelection,
                                                     RecordTableHandlerCallback recordTableHandlerCallback)
                                              throws ConnectionUnavailableException

Deprecated.

Parameters:

timestamp - the timestamp of the event used to match from record table

parameterMap - map of matching StreamVariable Ids and their values corresponding to the compiled condition and selection

compiledCondition - the compiledCondition against which records should be matched

compiledSelection - the compiledSelection which maps the events based on selection

recordTableHandlerCallback - call back to do operations on the record table

Returns:

RecordIterator of matching records

Throws:

ConnectionUnavailableException

query

public abstract Iterator<Object[]> query(long timestamp,
                                         Map<String,Object> parameterMap,
                                         CompiledCondition compiledCondition,
                                         CompiledSelection compiledSelection,
                                         org.wso2.siddhi.query.api.definition.Attribute[] outputAttributes,
                                         RecordTableHandlerCallback recordTableHandlerCallback)
                                  throws ConnectionUnavailableException

Throws:

ConnectionUnavailableException