Package com.espertech.esper.filter

Main switchboard filtering and routing of incoming events to interested statements is performed in this package.

See: Description

Interface Summary

Interface	Description
EventEvaluator	Interface for matching an event instance based on the event's property values to filters, specifically filter parameter constants or ranges.
FilterBooleanExpressionFactory
FilterFaultHandler
FilterFaultHandlerFactory
FilterHandle	Marker interface for use with FilterService.
FilterHandleCallback	Interface for a callback method to be called when an event matches a filter specification.
FilterNonPropertyRegisteryService	Service to provide engine-wide access to filter expressions that do not originate from event property values, i.e.
FilterService	Interface for filtering events by event type and event property values.
FilterServiceEntry
FilterServiceGranularLockFactory
FilterServiceListener	Listener to filter activity.
FilterServiceSPI	Service provider interface for filter service.
FilterSpecParamFilterForEval
FilterSpecParamFilterForEvalDouble
FilterSpecParamInValue	Denotes a value for use by the in-keyword within a list of values
FilterValueSet	Contains the filter criteria to sift through events.
FilterValueSetParam	This interface represents one filter parameter in an FilterValueSet filter specification.
Range

Class Summary

Class	Description
DoubleRange	Holds a range of double values with a minimum (start) value and a maximum (end) value.
DoubleRangeComparator	Comparator for DoubleRange values.
EventTypeIndex	Mapping of event type to a tree-like structure containing filter parameter constants in indexes FilterParamIndexBase and filter callbacks in FilterHandleSetNode.
EventTypeIndexBuilder	This class is responsible for changes to EventTypeIndex for addition and removal of filters.
EventTypeIndexBuilderIndexLookupablePair
EventTypeIndexBuilderValueIndexesPair
ExprNodeAdapterBase
ExprNodeAdapterBaseStmtLock
ExprNodeAdapterBaseVariables
ExprNodeAdapterBaseWTableAccess
ExprNodeAdapterMultiStream	Adapter for use by FilterParamIndexBooleanExpr to evaluate boolean expressions, providing events per stream to expression nodes.
ExprNodeAdapterMultiStreamNoTL
ExprNodeAdapterMultiStreamNoTLStmtLock
ExprNodeAdapterMultiStreamStmtLock
FilterBooleanExpressionFactoryImpl
FilterForEvalConstantAnyType	Constant value in a list of values following an in-keyword.
FilterForEvalConstantDouble	A Double-typed value as a filter parameter representing a range.
FilterForEvalConstantString	A String-typed value as a filter parameter representing a range.
FilterForEvalContextPropDouble
FilterForEvalContextPropMayCoerce	Event property value in a list of values following an in-keyword.
FilterForEvalContextPropString
FilterForEvalEventPropDouble	An event property as a filter parameter representing a range.
FilterForEvalEventPropIndexedDouble	An event property as a filter parameter representing a range.
FilterForEvalEventPropIndexedMayCoerce	Event property value in a list of values following an in-keyword.
FilterForEvalEventPropMayCoerce	Event property value in a list of values following an in-keyword.
FilterHandleSetNode	This class holds a list of indizes storing filter constants in FilterParamIndexBase nodes and a set of FilterHandle.
FilterNonPropertyRegisteryServiceImpl
FilterParamExprMap	A two-sided map for filter parameters mapping filter expression nodes to filter parameters and back.
FilterParamIndexBase	Each implementation of this abstract class represents an index of filter parameter constants supplied in filter parameters in filter specifications that feature the same event property and operator.
FilterParamIndexBooleanExpr	Index that simply maintains a list of boolean expressions.
FilterParamIndexCompare	Index for filter parameter constants for the comparison operators (less, greater, etc).
FilterParamIndexCompareString	Index for filter parameter constants for the comparison operators (less, greater, etc).
FilterParamIndexDoubleRange	Index for filter parameter constants for the range operators (range open/closed/half).
FilterParamIndexDoubleRangeBase	Index for filter parameter constants for the range operators (range open/closed/half).
FilterParamIndexDoubleRangeInverted	Index for filter parameter constants for the not range operators (range open/closed/half).
FilterParamIndexEquals	Index for filter parameter constants to match using the equals (=) operator.
FilterParamIndexEqualsBase	Index for filter parameter constants to match using the equals (=) operator.
FilterParamIndexEqualsIs	Index for filter parameter constants to match using the equals (=) operator.
FilterParamIndexIn	Index for filter parameter constants to match using the 'in' operator to match against a supplied set of values (i.e.
FilterParamIndexLookupableBase	Each implementation of this abstract class represents an index of filter parameter constants supplied in filter parameters in filter specifications that feature the same event property and operator.
FilterParamIndexNotEquals	Index for filter parameter constants to match using the equals (=) operator.
FilterParamIndexNotEqualsBase	Index for filter parameter constants to match using the equals (=) operator.
FilterParamIndexNotEqualsIs	Index for filter parameter constants to match using the equals (=) operator.
FilterParamIndexNotIn	Index for filter parameter constants to match using the 'not in' operator to match against a all other values then the supplied set of values.
FilterParamIndexQuadTreeMXCIF
FilterParamIndexQuadTreePointRegion
FilterParamIndexStringRange	Index for filter parameter constants for the range operators (range open/closed/half).
FilterParamIndexStringRangeBase
FilterParamIndexStringRangeInverted	Index for filter parameter constants for the not range operators (range open/closed/half).
FilterServiceBase	Implementation of the filter service interface.
FilterServiceGranularLockFactoryNone
FilterServiceGranularLockFactoryReentrant
FilterServiceLockCoarse
FilterServiceLockFine
FilterServiceProvider	Static factory for implementations of the FilterService interface.
FilterSet	Holder object for a set of filters for one or more statements.
FilterSetEntry	Entry to a FilterSet filter set taken from a FilterService.
FilterSpecCompiled	Contains the filter criteria to sift through events.
FilterSpecCompiler	Helper to compile (validate and optimize) filter expressions as used in pattern and filter-based streams.
FilterSpecCompilerAdvIndexDesc
FilterSpecCompilerArgs
FilterSpecCompilerConsolidateUtil	Helper to compile (validate and optimize) filter expressions as used in pattern and filter-based streams.
FilterSpecCompilerMakeParamUtil	Helper to compile (validate and optimize) filter expressions as used in pattern and filter-based streams.
FilterSpecCompilerPlanner
FilterSpecLookupable
FilterSpecLookupableAdvancedIndex
FilterSpecParam	This class represents one filter parameter in an FilterSpecCompiled filter specification.
FilterSpecParamAdvancedIndexQuadTreeMXCIF
FilterSpecParamAdvancedIndexQuadTreePointRegion
FilterSpecParamComparator	Sort comparator for filter parameters that sorts filter parameters according to filter operator type.
FilterSpecParamConstant	This class represents a single, constant value filter parameter in an FilterSpecCompiled filter specification.
FilterSpecParamContextProp	This class represents a filter parameter containing a reference to a context property.
FilterSpecParamEventProp	This class represents a filter parameter containing a reference to another event's property in the event pattern result, for use to describe a filter parameter in a FilterSpecCompiled filter specification.
FilterSpecParamEventPropIndexed	This class represents a filter parameter containing a reference to another event's property in the event pattern result, for use to describe a filter parameter in a FilterSpecCompiled filter specification.
FilterSpecParamExprNode	This class represents an arbitrary expression node returning a boolean value as a filter parameter in an FilterSpecCompiled filter specification.
FilterSpecParamIn	This class represents a 'in' filter parameter in an FilterSpecCompiled filter specification.
FilterSpecParamRange	This class represents a range filter parameter in an FilterSpecCompiled filter specification.
FilterValueSetImpl	Container for filter values for use by the FilterService to filter and distribute incoming events.
FilterValueSetParamImpl	Filter parameter value defining the event property to filter, the filter operator, and the filter value.
IndexFactory	Factory for FilterParamIndexBase instances based on event property name and filter operator type.
IndexHelper	Utility class for matching filter parameters to indizes.
IndexTreeBuilder	Builder manipulates a tree structure consisting of FilterHandleSetNode and FilterParamIndexBase instances.
StringRange	Holds a range of double values with a minimum (start) value and a maximum (end) value.
StringRangeComparator	Comparator for DoubleRange values.

Enum Summary

Enum	Description
FilterOperator	Defines the different operator types available for event filters.

Exception Summary

Exception	Description
FilterLockBackoffException

Package com.espertech.esper.filter Description

Main switchboard filtering and routing of incoming events to interested statements is performed in this package.