com.espertech.esper.pattern

Interface PatternContextFactory

All Known Implementing Classes:

PatternContextFactoryDefault

public interface PatternContextFactory

Factory for pattern context instances, creating context objects for each distinct pattern based on the patterns root node and stream id.

Method Summary

Modifier and Type	Method and Description
PatternContext	createContext(StatementContext statementContext, int streamId, EvalRootFactoryNode rootNode, MatchedEventMapMeta matchedEventMapMeta, boolean allowResilient) Create a pattern context.
PatternAgentInstanceContext	createPatternAgentContext(PatternContext patternContext, AgentInstanceContext agentInstanceContext, boolean hasConsumingFilter)

Method Detail

createContext

PatternContext createContext(StatementContext statementContext,
                             int streamId,
                             EvalRootFactoryNode rootNode,
                             MatchedEventMapMeta matchedEventMapMeta,
                             boolean allowResilient)

Create a pattern context.

Parameters:

statementContext - is the statement information and services

streamId - is the stream id

rootNode - is the pattern root node

allowResilient - indicator whether resilience is allowed or not

matchedEventMapMeta - match metadata

Returns:

pattern context

createPatternAgentContext

PatternAgentInstanceContext createPatternAgentContext(PatternContext patternContext,
                                                      AgentInstanceContext agentInstanceContext,
                                                      boolean hasConsumingFilter)