Package com.espertech.esper.epl.parse

Parsers and AST tree walkers and helper classes transforming AST into business objects

See:
          Description

Interface Summary
ParseRuleSelector For selection of the parse rule to use.
WalkRuleSelector For selection of the AST tree walk rule to use.
 

Class Summary
ASTAggregationHelper  
ASTAnnotationHelper Walker to annotation stuctures.
ASTConstantHelper Parses constant strings and returns the constant Object.
ASTContextHelper  
ASTCreateSchemaHelper  
ASTExpressionDeclHelper  
ASTExprHelper  
ASTFilterSpecHelper Builds a filter specification from filter AST nodes.
ASTGraphHelper  
ASTJsonHelper Walker to annotation stuctures.
ASTLibHelper  
ASTMatchRecognizeHelper Helper class for walking the match-recognize AST.
ASTMatchUntilHelper Helper for walking a pattern match-until clause.
ASTOutputLimitHelper Builds an output limit spec from an output limit AST node.
EPLTreeWalker Called during the walks of a EPL expression AST tree as specified in the grammar file.
ExceptionConvertor Converts recognition exceptions.
ParseHelper Helper class for parsing an expression and walking a parse tree.
ParseResult Result of a parse action.
 

Exception Summary
ASTFilterSpecValidationException This exception is thrown to indicate a problem in a filter specification.
ASTWalkException This exception is thrown to indicate a problem in statement creation.
 

Package com.espertech.esper.epl.parse Description

Parsers and AST tree walkers and helper classes transforming AST into business objects


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