Package net.esper.eql.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
ASTConstantHelper Parses constant strings and returns the constant Object.
ASTFilterSpecHelper Builds a filter specification from filter AST nodes.
ASTOutputLimitHelper Builds an output limit spec from an output limit AST node.
ASTParameterHelper Parse AST parameter nodes including constants, arrays, lists.
ASTViewSpecHelper Builds a view specification from view AST nodes.
EQLTreeWalker Called during the walks of a EQL expression AST tree as specified in the grammar file.
ParseHelper Helper class for parsing an expression and walking a parse tree.
 

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.
EPStatementSyntaxException This exception is thrown to indicate a problem in statement creation.
 

Package net.esper.eql.parse Description

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


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