Package com.espertech.esper.epl.spec

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.

See: Description

Interface Summary

Interface	Description
ContextDetail
ContextDetailCondition
ExpressionScriptCompiled
GroupByClauseElement
PluggableObjectRegistry
SelectClauseElementCompiled	Marker interface for elements in a select clause that is in the compiled form.
SelectClauseElementRaw	Marker interface for elements in a select clause that is in the raw (storable) form.
StreamSpec	Specification for a stream, consists simply of an optional stream name and a list of views on to of the stream.
StreamSpecCompiled	Validated stream specifications generally have expression nodes that are valid and event types exist.
StreamSpecRaw	An uncompiled, unoptimize for of stream specification created by a parser.

Class Summary

Class	Description
AnnotationDesc	Describes an annotation.
ColumnDesc	Describes a column name and type.
ContextDetailCategory
ContextDetailCategoryItem
ContextDetailConditionCrontab
ContextDetailConditionFilter
ContextDetailConditionImmediate
ContextDetailConditionNever
ContextDetailConditionPattern
ContextDetailConditionTimePeriod
ContextDetailHash
ContextDetailHashItem
ContextDetailInitiatedTerminated
ContextDetailNested
ContextDetailPartitioned
ContextDetailPartitionItem
CreateContextDesc
CreateDataFlowDesc
CreateExpressionDesc
CreateIndexDesc	Specification for creating a named window.
CreateIndexItem	Specification for creating a named window index column.
CreateSchemaDesc	Specification for creating an event type/schema.
CreateTableColumn
CreateTableDesc	Descriptor for create-table statements.
CreateVariableDesc	Descriptor for create-variable statements.
CreateWindowDesc	Specification for creating a named window.
DBStatementStreamSpec	Specification object for historical data poll via database SQL statement.
ExpressionDeclDesc
ExpressionDeclItem
ExpressionScriptProvided
FilterSpecRaw	Filter definition in an un-validated and un-resolved form.
FilterStreamSpecCompiled	Specification for building an event stream out of a filter for events (supplying type and basic filter criteria) and views onto these events which are staggered onto each other to supply a final stream of events.
FilterStreamSpecRaw	Unvalided filter-based stream specification.
FireAndForgetSpec
FireAndForgetSpecDelete
FireAndForgetSpecInsert
FireAndForgetSpecUpdate
ForClauseItemSpec
ForClauseSpec
GraphOperatorDetail
GraphOperatorInput
GraphOperatorInputNamesAlias
GraphOperatorOutput
GraphOperatorOutputItem
GraphOperatorOutputItemType
GraphOperatorSpec
GroupByClauseElementCombinedExpr
GroupByClauseElementExpr
GroupByClauseElementGroupingSet
GroupByClauseElementRollupOrCube
GroupByClauseExpressions
InsertIntoDesc	Descriptor generated by INSERT-INTO clauses specified in expressions to insert the results of statement as a stream to further statements.
IntoTableSpec
MatchEventSpec	Specification of matches available.
MatchRecognizeDefineItem	Specification for a "define" construct within a match_recognize.
MatchRecognizeInterval	Interval specification within match_recognize.
MatchRecognizeMeasureItem	Specification for measure definition item within match_recognize.
MatchRecognizeSkip	Specification for the skip-part of match_recognize.
MatchRecognizeSpec	Specification for match_recognize.
MethodStreamSpec	Specification object for historical data poll via database SQL statement.
NamedWindowConsumerStreamSpec	Specification for use of an existing named window.
NewItem
ObjectSpec	Encapsulates the information required to specify an object identification and construction.
OnTriggerDesc	Specification for on-trigger statements.
OnTriggerMergeAction	Specification for the merge statement insert/update/delete-part.
OnTriggerMergeActionDelete	Specification for the merge statement delete-part.
OnTriggerMergeActionInsert	Specification for the merge statement insert-part.
OnTriggerMergeActionUpdate	Specification for the merge statement update-part.
OnTriggerMergeDesc	Specification for the merge statement.
OnTriggerMergeEntry	Specification for the merge statement insert/update/delete-part.
OnTriggerMergeMatched	Specification for the merge statement insert/update/delete-part.
OnTriggerSetAssignment	Descriptor for an on-set assignment.
OnTriggerSetDesc	Specification for the on-set statement.
OnTriggerSplitStream	Split-stream description.
OnTriggerSplitStreamDesc	Specification for the on-select splitstream statement.
OnTriggerSplitStreamFromClause
OnTriggerWindowDesc	Specification for the on-select and on-delete and on-update (via subclass) (no split-stream) statement.
OnTriggerWindowUpdateDesc	Specification for the on-select and on-delete (no split-stream) statement.
OrderByItem	Specification object to an element in the order-by expression.
OuterJoinDesc	Contains the ON-clause criteria in an outer join.
OutputLimitSpec	Spec for defining an output rate
PatternGuardSpec	Specification for a pattern guard object consists of a namespace, name and guard object parameters.
PatternObserverSpec	Specification for a pattern observer object consists of a namespace, name and object parameters.
PatternStreamSpecCompiled	Specification for building an event stream out of a pattern statement and views staggered onto the pattern statement.
PatternStreamSpecRaw	Pattern specification in unvalidated, unoptimized form.
PatternStreamSpecRaw.FilterForFilterFactoryNodes
PluggableObjectCollection	Repository for pluggable objects of different types that follow a "namespace:name" notation.
PluggableObjectEntry
PluggableObjectRegistryImpl
PropertyEvalAtom	Atom in a specification for property evaluation.
PropertyEvalSpec	Specification for property evaluation.
RowLimitSpec	Spec for defining a row limit.
SelectClauseElementWildcard	Represents a wildcard as a select clause element.
SelectClauseExprCompiledSpec	Represents a single item in a SELECT-clause, with a name assigned either by the engine or by the user specifying an "as" tag name.
SelectClauseExprRawSpec	Represents a single item in a SELECT-clause, potentially unnamed as no "as" tag may have been supplied in the syntax.
SelectClauseSpecCompiled	Encapsulates the parsed select expressions in a select-clause in an EPL statement.
SelectClauseSpecRaw	Encapsulates the parsed select expressions in a select-clause in an EPL statement.
SelectClauseStreamCompiledSpec	Mirror class to SelectClauseStreamRawSpec but added the stream number for the name.
SelectClauseStreamRawSpec	For use in select clauses for specifying a selected stream: select a.* from MyEvent as a, MyOther as b
StatementSpecCompiled	Specification object representing a complete EPL statement including all EPL constructs.
StatementSpecMapContext	Context for mapping a SODA statement to a statement specification, or multiple for subqueries, and obtaining certain optimization information from a statement.
StatementSpecMapper	Helper for mapping internal representations of a statement to the SODA object model for statements.
StatementSpecRaw	Specification object representing a complete EPL statement including all EPL constructs.
StatementSpecUnMapContext	Un-mapping context for mapping from an internal specifications to an SODA object model.
StatementSpecUnMapResult	Return result for unmap operators unmapping an intermal statement representation to the SODA object model.
StreamSpecBase	Abstract base specification for a stream, consists simply of an optional stream name and a list of views on to of the stream.
StreamSpecOptions	Abstract base specification for a stream, consists simply of an optional stream name and a list of views on to of the stream.
SubstitutionParameterExpressionBase	Substitution parameter that represents a node in an expression tree for which to supply a parameter value before statement creation time.
SubstitutionParameterExpressionIndexed
SubstitutionParameterExpressionNamed
TableQueryStreamSpec	Specification for use of an existing table.
UpdateDesc	Specification for the update statement.
ViewSpec	Specification for a view object consists of a namespace, name and view object parameters.

Enum Summary

Enum	Description
CreateIndexType	Specification for creating a named window index column type.
CreateSchemaDesc.AssignedType
MatchRecognizeSkipEnum	Skip-enum for match_recognize.
OnTriggerType	Enum for the type of on-trigger statement.
OutputLimitLimitType	Enum for describing the type of output limit within an interval.
OutputLimitRateType	Enum for the type of rate for output-rate limiting.
PluggableObjectType	Enumeration for types of plug-in objects.
SelectClauseStreamSelectorEnum	Enumeration for representing select-clause selection of the remove stream or the insert stream, or both.

Package com.espertech.esper.epl.spec Description

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.