Package com.google.appengine.api.search.query

Interface QueryTreeVisitor<T extends QueryTreeContext<T>>

Type Parameters:
T - the type of the context object accompanying visited tree nodes.
public interface QueryTreeVisitor<T extends QueryTreeContext<T>>
Defines an interface of the visitor invoked by the walker.

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    visitConjunction(org.antlr.runtime.tree.Tree node, T context)
    Visits a node that represents a conjunction (logical and) of conditions.
    void
    visitContains(org.antlr.runtime.tree.Tree node, T context)
    Visits a node that represents that a field must contain a value.
    void
    visitDisjunction(org.antlr.runtime.tree.Tree node, T context)
    Visits a node that represents a disjunction (logical or) of conditions.
    void
    visitEqual(org.antlr.runtime.tree.Tree node, T context)
    Visits a node that represents that a field value must be greater than or equal to some specified value.
    void
    visitFunction(org.antlr.runtime.tree.Tree node, T context)
    Visits a node that represents a function computed on some arguments.
    void
    visitFuzzy(org.antlr.runtime.tree.Tree node, T context)
    Visits a node that represents a text field that is subject to query rewrite.
    void
    visitGlobal(org.antlr.runtime.tree.Tree node, T context)
    Visits a node that represents a global field.
    void
    visitGreaterOrEqual(org.antlr.runtime.tree.Tree node, T context)
    Visits a node that represents an inequality between a field and value.
    void
    visitGreaterThan(org.antlr.runtime.tree.Tree node, T context)
    Visits a node that represents that a field value must be greater than some specified value.
    void
    visitLessOrEqual(org.antlr.runtime.tree.Tree node, T context)
    Visits a node that represents that a field value must be less than or equal to some specified value.
    void
    visitLessThan(org.antlr.runtime.tree.Tree node, T context)
    Visits a node that represents that a field value must be less than some specified value.
    void
    visitLiteral(org.antlr.runtime.tree.Tree node, T context)
    Visits a node that represents a text field that must not be altered.
    void
    visitNegation(org.antlr.runtime.tree.Tree node, T context)
    Visits a node that represents a negation of conditions.
    void
    visitOther(org.antlr.runtime.tree.Tree node, T context)
    Catch-all method for future type of query nodes.
    void
    visitSequence(org.antlr.runtime.tree.Tree node, T context)
    Visits a node that represents a sequence of expressions.
    void
    visitValue(org.antlr.runtime.tree.Tree node, T context)
    Visits a node that represents a constant value.

  • Method Details

    • visitSequence

      void visitSequence(org.antlr.runtime.tree.Tree node, T context)
      Visits a node that represents a sequence of expressions.

    • visitConjunction

      void visitConjunction(org.antlr.runtime.tree.Tree node, T context)
      Visits a node that represents a conjunction (logical and) of conditions.

    • visitDisjunction

      void visitDisjunction(org.antlr.runtime.tree.Tree node, T context)
      Visits a node that represents a disjunction (logical or) of conditions.

    • visitNegation

      void visitNegation(org.antlr.runtime.tree.Tree node, T context)
      Visits a node that represents a negation of conditions.

    • visitFuzzy

      void visitFuzzy(org.antlr.runtime.tree.Tree node, T context)
      Visits a node that represents a text field that is subject to query rewrite.

    • visitLiteral

      void visitLiteral(org.antlr.runtime.tree.Tree node, T context)
      Visits a node that represents a text field that must not be altered.

    • visitLessThan

      void visitLessThan(org.antlr.runtime.tree.Tree node, T context)
      Visits a node that represents that a field value must be less than some specified value.

    • visitLessOrEqual

      void visitLessOrEqual(org.antlr.runtime.tree.Tree node, T context)
      Visits a node that represents that a field value must be less than or equal to some specified value.

    • visitGreaterThan

      void visitGreaterThan(org.antlr.runtime.tree.Tree node, T context)
      Visits a node that represents that a field value must be greater than some specified value.

    • visitGreaterOrEqual

      void visitGreaterOrEqual(org.antlr.runtime.tree.Tree node, T context)
      Visits a node that represents an inequality between a field and value.

    • visitEqual

      void visitEqual(org.antlr.runtime.tree.Tree node, T context)
      Visits a node that represents that a field value must be greater than or equal to some specified value.

    • visitContains

      void visitContains(org.antlr.runtime.tree.Tree node, T context)
      Visits a node that represents that a field must contain a value.

    • visitValue

      void visitValue(org.antlr.runtime.tree.Tree node, T context)
      Visits a node that represents a constant value.

    • visitFunction

      void visitFunction(org.antlr.runtime.tree.Tree node, T context)
      Visits a node that represents a function computed on some arguments.

    • visitGlobal

      void visitGlobal(org.antlr.runtime.tree.Tree node, T context)
      Visits a node that represents a global field.

    • visitOther

      void visitOther(org.antlr.runtime.tree.Tree node, T context)
      Catch-all method for future type of query nodes.