org.teiid.query.sql.lang
Class FromClause

java.lang.Object
  org.teiid.query.sql.lang.FromClause

All Implemented Interfaces:

java.lang.Cloneable, LanguageObject

Direct Known Subclasses:

JoinPredicate, SubqueryFromClause, TableFunctionReference, UnaryFromClause

public abstract class FromClause
extends java.lang.Object
implements LanguageObject

A FromClause is an interface for subparts held in a FROM clause. One type of FromClause is UnaryFromClause, which is the more common use and represents a single group. Another, less common type of FromClause is the JoinPredicate which represents a join between two FromClauses and may contain criteria.

Nested Class Summary

Nested classes/interfaces inherited from interface org.teiid.query.sql.LanguageObject

LanguageObject.Util

Field Summary

static java.lang.String

MAKEIND

Constructor Summary

FromClause()

Method Summary

abstract void	acceptVisitor(LanguageVisitor visitor) Method for accepting a visitor.
FromClause	clone() Implement clone to make objects cloneable.
protected abstract FromClause	cloneDirect()
abstract void	collectGroups(java.util.Collection<GroupSymbol> groups)
boolean	equals(java.lang.Object obj)
boolean	hasHint()
boolean	isMakeDep()
boolean	isMakeInd()
boolean	isMakeNotDep()
boolean	isOptional()
void	setMakeDep(boolean makeDep)
void	setMakeInd(boolean makeInd)
void	setMakeNotDep(boolean makeNotDep)
void	setOptional(boolean optional)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

MAKEIND

public static java.lang.String MAKEIND

Constructor Detail

FromClause

public FromClause()

Method Detail

isOptional

public boolean isOptional()

setOptional

public void setOptional(boolean optional)

isMakeInd

public boolean isMakeInd()

setMakeInd

public void setMakeInd(boolean makeInd)

acceptVisitor

public abstract void acceptVisitor(LanguageVisitor visitor)

Description copied from interface: LanguageObject

Method for accepting a visitor. It is the responsibility of the language object to call back on the visitor.

Specified by:

acceptVisitor in interface LanguageObject

Parameters:

visitor - Visitor being used

collectGroups

public abstract void collectGroups(java.util.Collection<GroupSymbol> groups)

cloneDirect

protected abstract FromClause cloneDirect()

clone

public FromClause clone()

Description copied from interface: LanguageObject

Implement clone to make objects cloneable.

Specified by:

clone in interface LanguageObject

Overrides:

clone in class java.lang.Object

Returns:

Deep clone of this object

isMakeDep

public boolean isMakeDep()

setMakeDep

public void setMakeDep(boolean makeDep)

isMakeNotDep

public boolean isMakeNotDep()

setMakeNotDep

public void setMakeNotDep(boolean makeNotDep)

hasHint

public boolean hasHint()

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object