org.makumba.providers
Class QueryAnalysisProvider.ASTTransformVisitor

java.lang.Object
  org.makumba.providers.QueryAnalysisProvider.ASTTransformVisitor

Direct Known Subclasses:

Pass1ASTPrinter.AssociativeFlatVisitor, Pass1FunctionInliner.InlineVisitor, QueryAnalysisProvider.SubqueryReductionVisitor

Enclosing class:

QueryAnalysisProvider

public abstract static class QueryAnalysisProvider.ASTTransformVisitor
extends Object

Field Summary

boolean

repetitive

Constructor Summary

QueryAnalysisProvider.ASTTransformVisitor(boolean repetitive)

Method Summary

Stack<antlr.collections.AST>	getPath()
boolean	isRepetitive()
antlr.collections.AST	traverse(antlr.collections.AST current) recursively traverse the tree, and transform it via a visitor. keep a traversal state, which includes the path from the tree root to the current node
abstract antlr.collections.AST	visit(antlr.collections.AST a)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

repetitive

public boolean repetitive

Constructor Detail

QueryAnalysisProvider.ASTTransformVisitor

public QueryAnalysisProvider.ASTTransformVisitor(boolean repetitive)

Method Detail

isRepetitive

public boolean isRepetitive()

getPath

public Stack<antlr.collections.AST> getPath()

visit

public abstract antlr.collections.AST visit(antlr.collections.AST a)

traverse

public antlr.collections.AST traverse(antlr.collections.AST current)

recursively traverse the tree, and transform it via a visitor. keep a traversal state, which includes the path from the tree root to the current node