Java Doc for TableExpression.java in  » Database-ORM » TJDO » com » triactive » jdo » store » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database ORM » TJDO » com.triactive.jdo.store 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   com.triactive.jdo.store.TableExpression

All known Subclasses:   com.triactive.jdo.store.TableExprAsJoins,  com.triactive.jdo.store.TableExprAsSubquery,  com.triactive.jdo.store.TableExprAsSubjoins,
TableExpression
abstract class TableExpression (Code)
Represents a SQL table expression as might be listed in the FROM clause of a SELECT statement. A table expression is a fragment of a larger containing QueryStatement.

A table expression has a base "main" table. If that table serves as backing for a Java class, and that class has persistence-capable superclasses, then the table expression may include joins to superclass tables, or may cause such joins to occur in its surrounding QueryStatement.
author:
   Mike Martin
version:
   $Revision: 1.4 $
See Also:   QueryStatement



Field Summary
final protected  SQLIdentifiermainRangeVar
    
final protected  TablemainTable
    
final protected  QueryStatementqs
    
protected  StringsqlText
    
final protected  StoreManagerstoreMgr
    

Constructor Summary
protected  TableExpression(QueryStatement qs, Table mainTable, SQLIdentifier mainRangeVar)
    

Method Summary
protected  voidassertNotFrozen()
    
final public  TablegetMainTable()
    
final public  SQLIdentifiergetRangeVariable()
    
public  SQLExpressionnewFieldExpression(String fieldName)
    
abstract public  StringreferenceColumn(Column col)
    
abstract public  StringtoString()
    

Field Detail
mainRangeVar
final protected SQLIdentifier mainRangeVar(Code)



mainTable
final protected Table mainTable(Code)



qs
final protected QueryStatement qs(Code)



sqlText
protected String sqlText(Code)



storeMgr
final protected StoreManager storeMgr(Code)




Constructor Detail
TableExpression
protected TableExpression(QueryStatement qs, Table mainTable, SQLIdentifier mainRangeVar)(Code)




Method Detail
assertNotFrozen
protected void assertNotFrozen()(Code)



getMainTable
final public Table getMainTable()(Code)



getRangeVariable
final public SQLIdentifier getRangeVariable()(Code)



newFieldExpression
public SQLExpression newFieldExpression(String fieldName)(Code)



referenceColumn
abstract public String referenceColumn(Column col)(Code)



toString
abstract public String toString()(Code)



Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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