org.openrdf.sail.rdbms.algebra

Class JoinItem

java.lang.Object

org.openrdf.query.algebra.QueryModelNodeBase

org.openrdf.sail.rdbms.algebra.base.RdbmsQueryModelNodeBase

org.openrdf.sail.rdbms.algebra.base.FromItem

org.openrdf.sail.rdbms.algebra.JoinItem

All Implemented Interfaces:

Cloneable, QueryModelNode

public class JoinItem
extends FromItem

An SQL join.

Author:

James Leigh

Constructor Summary

Constructors

Constructor and Description
JoinItem(String alias, String tableName)
JoinItem(String alias, String tableName, Number predId)

Method Summary

Methods

Modifier and Type	Method and Description
void	addVar(ColumnVar var)
List<ColumnVar>	appendVars(List<ColumnVar> vars)
JoinItem	clone()
Number	getPredId()
String	getSignature()
String	getTableName()
ColumnVar	getVarForChildren(String name)
<X extends Exception> void	visit(RdbmsQueryModelVisitorBase<X> visitor)

Methods inherited from class org.openrdf.sail.rdbms.algebra.base.FromItem

addFilter, addJoin, addJoinBefore, getAlias, getFilters, getFromItem, getFromItemNotInUnion, getJoins, getVar, isLeft, joinAdded, removeFilter, replaceChildNode, setLeft, visitChildren

Methods inherited from class org.openrdf.sail.rdbms.algebra.base.RdbmsQueryModelNodeBase

visit

Methods inherited from class org.openrdf.query.algebra.QueryModelNodeBase

getParentNode, nullEquals, replaceNodeInList, replaceWith, setParentNode, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.openrdf.query.algebra.QueryModelNode

equals

Constructor Detail

JoinItem

public JoinItem(String alias,
        String tableName,
        Number predId)

JoinItem

public JoinItem(String alias,
        String tableName)

Method Detail

getTableName

public String getTableName()

getPredId

public Number getPredId()

addVar

public void addVar(ColumnVar var)

getVarForChildren

public ColumnVar getVarForChildren(String name)

Overrides:

getVarForChildren in class FromItem

appendVars

public List<ColumnVar> appendVars(List<ColumnVar> vars)

Overrides:

appendVars in class FromItem

getSignature

public String getSignature()

Specified by:

getSignature in interface QueryModelNode

Overrides:

getSignature in class FromItem

clone

public JoinItem clone()

Specified by:

clone in interface QueryModelNode

Overrides:

clone in class FromItem

visit

public <X extends Exception> void visit(RdbmsQueryModelVisitorBase<X> visitor)
           throws X extends Exception

Specified by:

visit in class RdbmsQueryModelNodeBase

Throws:

X extends Exception