edu.wpi.cs.dsrg.xmldb.xat.common.operator.sqloperator
Class ThetaJoinImp

java.lang.Object
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  +--edu.wpi.cs.dsrg.xmldb.xat.common.operator.XATPropertiesImp
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        +--edu.wpi.cs.dsrg.xmldb.xat.common.operator.XATQueryObjectImp
              |
              +--edu.wpi.cs.dsrg.xmldb.xat.common.operator.XATOperatorImp
                    |
                    +--edu.wpi.cs.dsrg.xmldb.xat.common.operator.XATMultiSourceOperatorImp
                          |
                          +--edu.wpi.cs.dsrg.xmldb.xat.common.operator.sqloperator.CartesianProductImp
                                |
                                +--edu.wpi.cs.dsrg.xmldb.xat.common.operator.sqloperator.JoinImp
                                      |
                                      +--edu.wpi.cs.dsrg.xmldb.xat.common.operator.sqloperator.ThetaJoinImp

public class ThetaJoinImp
extends JoinImp
implements ThetaJoin

The ThetaJoin interface.

Since:
1.0
See Also:
Serialized Form

Fields inherited from class edu.wpi.cs.dsrg.xmldb.xat.common.operator.sqloperator.JoinImp
expression
 
Fields inherited from class edu.wpi.cs.dsrg.xmldb.xat.common.operator.XATOperatorImp
columnsFiltered, outputColumnName, xnodOwner, xtabOutput
 
Fields inherited from class edu.wpi.cs.dsrg.xmldb.xat.common.operator.XATQueryObjectImp
stats, statsPresent
 
Constructor Summary
ThetaJoinImp(XATNode xnodInit, Expression exp)
          Assigns a node to this operator and an expression.
 
Method Summary
 void accept(Visitor visitor)
          Used to implement a visitor pattern.
 java.lang.String toString()
          Returns a String that represents the value of this object.
 
Methods inherited from class edu.wpi.cs.dsrg.xmldb.xat.common.operator.sqloperator.JoinImp
getExpression, setExpression
 
Methods inherited from class edu.wpi.cs.dsrg.xmldb.xat.common.operator.sqloperator.CartesianProductImp
getLeft, getRight
 
Methods inherited from class edu.wpi.cs.dsrg.xmldb.xat.common.operator.XATMultiSourceOperatorImp
getDataSourceAt, getDataSources, getSourceAt, getSources, setProperty
 
Methods inherited from class edu.wpi.cs.dsrg.xmldb.xat.common.operator.XATOperatorImp
clone, getColumnsFiltered, getNode, getOutput, getOutputColumnName, getOutputDataSource, getOutputDataSources, getPrimaryDataSource, getPrimarySource, setDefaultProperties, setNode, setOutput, setOutputColumnName
 
Methods inherited from class edu.wpi.cs.dsrg.xmldb.xat.common.operator.XATQueryObjectImp
addStatistic, compareTo, getStatistics, isValidStatistic, setDefaultStatistics
 
Methods inherited from class edu.wpi.cs.dsrg.xmldb.xat.common.operator.XATPropertiesImp
addProperty, getProperties, getProperty, isValidPropertyName, setNewPropertyValue
 
Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

ThetaJoinImp

public ThetaJoinImp(XATNode xnodInit,
                    Expression exp)
Assigns a node to this operator and an expression.
Parameters:
xnodInit - edu.wpi.cs.dsrg.xmldb.xat.common.xatnode.XATNode
exp - edu.wpi.cs.dsrg.xmldb.xat.common.expression.Expression
Since:
1.0
Method Detail

accept

public void accept(Visitor visitor)
Used to implement a visitor pattern.
Parameters:
visitor - for the visitor pattern
Since:
1.0

toString

public java.lang.String toString()
Returns a String that represents the value of this object.
Overrides:
toString in class CartesianProductImp
Returns:
a string representation of the receiver
Since:
1.0