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org.apache.derby.impl.sql.execute
Class RISetChecker  

java.lang.Object
  org.apache.derby.impl.sql.execute.RISetChecker

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public class RISetChecker

extends java.lang.Object

Checks a set or referential integrity constraints. Used to shield the caller from ReferencedKeyRIChecker and ForeignKeyRICheckers.

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Field Summary
private  GenericRIChecker[]	checkers

 

Constructor Summary

RISetChecker(org.apache.derby.iapi.store.access.TransactionController tc, FKInfo[] fkInfo)

 

Method Summary
void	close()           clean up
void	doFKCheck(org.apache.derby.iapi.sql.execute.ExecRow row)           Check that everything in the row is ok, i.e.
void	doPKCheck(org.apache.derby.iapi.sql.execute.ExecRow row, boolean restrictCheckOnly)           Check that there are no referenced primary keys in the passed in row.
void	doRICheck(int index, org.apache.derby.iapi.sql.execute.ExecRow row, boolean restrictCheckOnly)           Execute the specific RI check on the passed in row.
(package private)  void	reopen()           Do any work needed to reopen our ri checkers for another round of checks.

 

Methods inherited from class java.lang.Object

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

 

Field Detail

checkers

private GenericRIChecker[] checkers

Constructor Detail

RISetChecker

public RISetChecker(org.apache.derby.iapi.store.access.TransactionController tc,
                    FKInfo[] fkInfo)
             throws org.apache.derby.iapi.error.StandardException

Method Detail

reopen

void reopen()
      throws org.apache.derby.iapi.error.StandardException

Do any work needed to reopen our ri checkers for another round of checks. Must do a close() first.

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doPKCheck

public void doPKCheck(org.apache.derby.iapi.sql.execute.ExecRow row,
                      boolean restrictCheckOnly)
               throws org.apache.derby.iapi.error.StandardException

Check that there are no referenced primary keys in the passed in row. So for each foreign key that references a primary key constraint, make sure that there is no row that matches the values in the passed in row.

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doFKCheck

public void doFKCheck(org.apache.derby.iapi.sql.execute.ExecRow row)
               throws org.apache.derby.iapi.error.StandardException

Check that everything in the row is ok, i.e. that there are no foreign keys in the passed in row that have invalid values.

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doRICheck

public void doRICheck(int index,
                      org.apache.derby.iapi.sql.execute.ExecRow row,
                      boolean restrictCheckOnly)
               throws org.apache.derby.iapi.error.StandardException

Execute the specific RI check on the passed in row.

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close

public void close()
           throws org.apache.derby.iapi.error.StandardException

clean up

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Overview  Package   Class  Use  Deprecated  Index
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SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

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