Package | Description |
---|---|
com.espertech.esper.epl.core |
Contains EPL statement specification classes define the constructs that make up an EPL statement,
such as the list of items in the select clause, the insert-into stream name and property names etc.
|
com.espertech.esper.epl.db |
Database SQL polling views and caches
|
com.espertech.esper.epl.join.base |
Join process interfaces and glue code
|
com.espertech.esper.epl.join.exec.base |
Inner join execution
|
Modifier and Type | Class and Description |
---|---|
class |
MethodPollingViewable
Polling-data provider that calls a static method on a class and passed parameters, and wraps the
results as POJO events.
|
Modifier and Type | Method and Description |
---|---|
static HistoricalEventViewable |
MethodPollingViewableFactory.createPollMethodView(int streamNumber,
MethodStreamSpec methodStreamSpec,
EventAdapterService eventAdapterService,
EPStatementAgentInstanceHandle epStatementAgentInstanceHandle,
MethodResolutionService methodResolutionService,
EngineImportService engineImportService,
SchedulingService schedulingService,
ScheduleBucket scheduleBucket,
ExprEvaluatorContext exprEvaluatorContext)
Creates a method-invocation polling view for use as a stream that calls a method, or pulls results from cache.
|
Modifier and Type | Class and Description |
---|---|
class |
DatabasePollingViewable
Implements a poller viewable that uses a polling strategy, a cache and
some input parameters extracted from event streams to perform the polling.
|
Modifier and Type | Method and Description |
---|---|
static HistoricalEventViewable |
DatabasePollingViewableFactory.createDBStatementView(java.lang.String statementId,
int streamNumber,
DBStatementStreamSpec databaseStreamSpec,
DatabaseConfigService databaseConfigService,
EventAdapterService eventAdapterService,
EPStatementAgentInstanceHandle epStatementAgentInstanceHandle,
SQLColumnTypeConversion columnTypeConversionHook,
SQLOutputRowConversion outputRowConversionHook,
boolean enableJDBCLogging)
Creates the viewable for polling via database SQL query.
|
Constructor and Description |
---|
HistoricalDataQueryStrategy(int myStreamNumber,
int historicalStreamNumber,
HistoricalEventViewable historicalEventViewable,
boolean isOuterJoin,
ExprEvaluator outerJoinCompareNode,
HistoricalIndexLookupStrategy indexLookupStrategy,
PollResultIndexingStrategy pollResultIndexingStrategy)
Ctor.
|
Constructor and Description |
---|
HistoricalDataExecNode(HistoricalEventViewable historicalEventViewable,
PollResultIndexingStrategy indexingStrategy,
HistoricalIndexLookupStrategy indexLookupStrategy,
int numStreams,
int historicalStreamNumber)
Ctor.
|
HistoricalTableLookupStrategy(HistoricalEventViewable viewable,
PollResultIndexingStrategy indexingStrategy,
HistoricalIndexLookupStrategy lookupStrategy,
int numStreams,
int streamNum,
int rootStreamNum,
ExprEvaluator outerJoinExprNode)
Ctor.
|