Apache Derby Database Engine and Embedded JDBC Driver 10.17.1.0 · org.apache.derby.impl.sql.execute.RISetChecker

Modifier and Type	Field and Description
private GenericRIChecker[]	checkers
pack-priv LanguageConnectionContext	lcc

Access	Constructor and Description
public	RISetChecker(LanguageConnectionContext the language connection context lcc, TransactionController the xact controller tc, FKInfo[] the foreign key information fkInfo)

Method Summary

Modifier and Type	Method and Description
public void	close() clean up
public void	doFKCheck(Activation the activation a, ExecRow the row to check row) 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.
public void	doPKCheck(Activation The activation a, ExecRow The row to check row, boolean `true` if the check is relevant only for RESTRICTED referential action. restrictCheckOnly, int For referenced keys: The required number of duplicates that need to be present. Only used if `postCheck==false`. deferredRowReq) Check that there are no referenced primary keys in the passed in row.
public void	doRICheck(Activation the activation a, int index into fkInfo index, ExecRow the row to check row, boolean `true` if the check is relevant only for RESTRICTED referential action. restrictCheckOnly, int For referenced keys: the required number of duplicates that need to be present. Only used if `postCheck==false`. deferredRowReq) Execute the specific RI check on the passed in row.
public void	postCheck()
public void	postCheck(int index)
pack-priv void	reopen() Do any work needed to reopen our ri checkers for another round of checks.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

checkers	back to summary
private GenericRIChecker[] checkers

lcc	back to summary
pack-priv LanguageConnectionContext lcc

RISetChecker	back to summary
public RISetChecker(LanguageConnectionContext lcc, TransactionController tc, FKInfo[] fkInfo) throws StandardException Parameters lcc:LanguageConnectionContext the language connection context tc:TransactionController the xact controller fkInfo:FKInfo[] the foreign key information Exceptions StandardException: Thrown on failure

Method Detail

close	back to summary
public void close() throws StandardException clean up Exceptions StandardException: on error

back to summary

public void close() throws StandardException

clean up

Exceptions

StandardException:: on error

doFKCheck	back to summary
public void doFKCheck(Activation a, ExecRow row) throws 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. Parameters a:Activation the activation row:ExecRow the row to check Exceptions StandardException: on unexpected error, or on a primary/unique key violation

doFKCheck

back to summary

public void doFKCheck(Activation a, ExecRow row) throws 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.

Parameters

a:Activation: the activation
row:ExecRow: the row to check

Exceptions

StandardException:: on unexpected error, or on a primary/unique key violation

doPKCheck back to summary

doPKCheck	back to summary
public void doPKCheck(Activation a, ExecRow row, boolean restrictCheckOnly, int deferredRowReq) throws 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. Parameters a:Activation The activation row:ExecRow The row to check restrictCheckOnly:boolean `true` if the check is relevant only for RESTRICTED referential action. deferredRowReq:int For referenced keys: The required number of duplicates that need to be present. Only used if `postCheck==false`. Exceptions StandardException: on unexpected error, or on a primary/unique key violation

public void doPKCheck(Activation a, ExecRow row, boolean restrictCheckOnly, int deferredRowReq) throws 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.

Parameters

a:Activation: The activation
row:ExecRow: The row to check
restrictCheckOnly:boolean: true if the check is relevant only for RESTRICTED referential action.
deferredRowReq:int: For referenced keys: The required number of duplicates that need to be present. Only used if postCheck==false.

Exceptions

StandardException:: on unexpected error, or on a primary/unique key violation

doRICheck back to summary

doRICheck	back to summary
public void doRICheck(Activation a, int index, ExecRow row, boolean restrictCheckOnly, int deferredRowReq) throws StandardException Execute the specific RI check on the passed in row. Parameters a:Activation the activation index:int index into fkInfo row:ExecRow the row to check restrictCheckOnly:boolean `true` if the check is relevant only for RESTRICTED referential action. deferredRowReq:int For referenced keys: the required number of duplicates that need to be present. Only used if `postCheck==false`. Exceptions StandardException: on unexpected error, or on a primary/unique key violation

public void doRICheck(Activation a, int index, ExecRow row, boolean restrictCheckOnly, int deferredRowReq) throws StandardException

Execute the specific RI check on the passed in row.

Parameters

a:Activation: the activation
index:int: index into fkInfo
row:ExecRow: the row to check
restrictCheckOnly:boolean: true if the check is relevant only for RESTRICTED referential action.
deferredRowReq:int: For referenced keys: the required number of duplicates that need to be present. Only used if postCheck==false.

Exceptions

StandardException:: on unexpected error, or on a primary/unique key violation

postCheck	back to summary
public void postCheck() throws StandardException

postCheck	back to summary
public void postCheck(int index) throws StandardException

reopen	back to summary
pack-priv void reopen() throws StandardException Do any work needed to reopen our ri checkers for another round of checks. Must do a close() first. Exceptions StandardException: on error

reopen

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pack-priv void reopen() throws StandardException

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

Exceptions

StandardException:: on error

public Class RISetChecker

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Constructor Summary

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Field Detail

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Method Detail