org.openrdf.sail.optimistic.helpers
Class BasicNodeJudge

java.lang.Object
  org.openrdf.query.algebra.helpers.QueryModelVisitorBase<RuntimeException>
      org.openrdf.sail.optimistic.helpers.BasicNodeJudge

All Implemented Interfaces:

QueryModelVisitor<RuntimeException>

public class BasicNodeJudge
extends QueryModelVisitorBase<RuntimeException>

Identifies if a node contains any form of filtering.

Author:

James Leigh

Constructor Summary

BasicNodeJudge(QueryModelNode root)

Method Summary

boolean	isBasic()
void	meet(Difference node) Only basic if right side is constant.
void	meet(EmptySet node)
void	meet(Filter node) Only basic if there is no OPTIONAL join.
void	meet(Join node)
void	meet(LeftJoin node) Only basic if there is no condition.
void	meet(SingletonSet node)
void	meet(StatementPattern node)
void	meet(Union node)
void	meet(ValueConstant node)
void	meet(Var node)
protected void	meetBinaryValueOperator(BinaryValueOperator node)
protected void	meetNode(QueryModelNode node)
protected void	meetUnaryValueOperator(UnaryValueOperator node)

Methods inherited from class org.openrdf.query.algebra.helpers.QueryModelVisitorBase

meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meetBinaryTupleOperator, meetCompareSubQueryValueOperator, meetOther, meetSubQueryValueOperator, meetUnaryTupleOperator

Methods inherited from class java.lang.Object

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

Constructor Detail

BasicNodeJudge

public BasicNodeJudge(QueryModelNode root)

Method Detail

isBasic

public boolean isBasic()

meet

public void meet(Difference node)
          throws RuntimeException

Only basic if right side is constant.

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class QueryModelVisitorBase<RuntimeException>

Throws:

RuntimeException

meet

public void meet(EmptySet node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class QueryModelVisitorBase<RuntimeException>

Throws:

RuntimeException

meet

public void meet(Filter node)
          throws RuntimeException

Only basic if there is no OPTIONAL join.

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class QueryModelVisitorBase<RuntimeException>

Throws:

RuntimeException

meet

public void meet(Join node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class QueryModelVisitorBase<RuntimeException>

Throws:

RuntimeException

meet

public void meet(LeftJoin node)
          throws RuntimeException

Only basic if there is no condition.

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class QueryModelVisitorBase<RuntimeException>

Throws:

RuntimeException

meet

public void meet(SingletonSet node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class QueryModelVisitorBase<RuntimeException>

Throws:

RuntimeException

meet

public void meet(StatementPattern node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class QueryModelVisitorBase<RuntimeException>

Throws:

RuntimeException

meet

public void meet(Union node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class QueryModelVisitorBase<RuntimeException>

Throws:

RuntimeException

meet

public void meet(ValueConstant node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class QueryModelVisitorBase<RuntimeException>

Throws:

RuntimeException

meet

public void meet(Var node)
          throws RuntimeException

Specified by:

meet in interface QueryModelVisitor<RuntimeException>

Overrides:

meet in class QueryModelVisitorBase<RuntimeException>

Throws:

RuntimeException

meetBinaryValueOperator

protected void meetBinaryValueOperator(BinaryValueOperator node)

Overrides:

meetBinaryValueOperator in class QueryModelVisitorBase<RuntimeException>

meetUnaryValueOperator

protected void meetUnaryValueOperator(UnaryValueOperator node)

Overrides:

meetUnaryValueOperator in class QueryModelVisitorBase<RuntimeException>

meetNode

protected void meetNode(QueryModelNode node)
                 throws RuntimeException

Overrides:

meetNode in class QueryModelVisitorBase<RuntimeException>

Throws:

RuntimeException