Java Doc for ForeignKeyConstraintDescriptor.java in  » Database-DBMS » db-derby-10.2 » org » apache » derby » iapi » sql » dictionary » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Database DBMS » db derby 10.2 » org.apache.derby.iapi.sql.dictionary   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.apache.derby.iapi.sql.dictionary.TupleDescriptor       org.apache.derby.iapi.sql.dictionary.ConstraintDescriptor          org.apache.derby.iapi.sql.dictionary.KeyConstraintDescriptor             org.apache.derby.iapi.sql.dictionary.ForeignKeyConstraintDescriptor ForeignKeyConstraintDescriptor public class ForeignKeyConstraintDescriptor extends KeyConstraintDescriptor (Code) A foreign key. author:    Jamie Field Summary  int raDeleteRule       int raUpdateRule       ReferencedKeyConstraintDescriptor referencedConstraintDescriptor       UUID referencedConstraintId      Constructor Summary protected   ForeignKeyConstraintDescriptor(DataDictionary dataDictionary, TableDescriptor table, String constraintName, boolean deferrable, boolean initiallyDeferred, int[] fkColumns, UUID constraintId, UUID indexId, SchemaDescriptor schemaDesc, ReferencedKeyConstraintDescriptor referencedConstraintDescriptor, boolean isEnabled, int raDeleteRule, int raUpdateRule)        ForeignKeyConstraintDescriptor(DataDictionary dataDictionary, TableDescriptor table, String constraintName, boolean deferrable, boolean initiallyDeferred, int[] fkColumns, UUID constraintId, UUID indexId, SchemaDescriptor schemaDesc, UUID referencedConstraintId, boolean isEnabled, int raDeleteRule, int raUpdateRule)      Method Summary public  int getConstraintType()      Gets an identifier telling what type of descriptor it is (UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK). public  int getRaDeleteRule()      public  int getRaUpdateRule()      public  ReferencedKeyConstraintDescriptor getReferencedConstraint()      Get the constraint that this FK references. public  UUID getReferencedConstraintId()      Get the constraint id for the constraint that this FK references. public  boolean isSelfReferencingFK()      Am I a self-referencing FK? True if my referenced constraint is on the same table as me. public  boolean needsToFire(int stmtType, int[] modifiedCols)      Field Detail raDeleteRule int raDeleteRule(Code) raUpdateRule int raUpdateRule(Code) referencedConstraintDescriptor ReferencedKeyConstraintDescriptor referencedConstraintDescriptor(Code) interface to this descriptor public ReferencedKeyConstraintDescriptor getReferencedConstraint() throws StandardException; public UUID getReferencedConstraintId() throws StandardException; public boolean isSelfReferencingFK() throws StandardException; referencedConstraintId UUID referencedConstraintId(Code) Constructor Detail ForeignKeyConstraintDescriptor protected ForeignKeyConstraintDescriptor(DataDictionary dataDictionary, TableDescriptor table, String constraintName, boolean deferrable, boolean initiallyDeferred, int[] fkColumns, UUID constraintId, UUID indexId, SchemaDescriptor schemaDesc, ReferencedKeyConstraintDescriptor referencedConstraintDescriptor, boolean isEnabled, int raDeleteRule, int raUpdateRule)(Code) Constructor for a ForeignKeyConstraintDescriptor Parameters:   dataDictionary - The data dictionary that this descriptor lives in Parameters:   table - The descriptor of the table the constraint is on Parameters:   constraintName - The name of the constraint. Parameters:   deferrable - If the constraint can be deferred. Parameters:   initiallyDeferred - If the constraint starts life deferred. Parameters:   fkColumns - columns in the foreign key Parameters:   constraintId - UUID of constraint Parameters:   indexId - The UUID for the backing index Parameters:   schemaDesc - The SchemaDescriptor for the constraint Parameters:   referencedConstraintDescriptor - is referenced constraint descriptor Parameters:   isEnabled - is the constraint enabled? ForeignKeyConstraintDescriptor ForeignKeyConstraintDescriptor(DataDictionary dataDictionary, TableDescriptor table, String constraintName, boolean deferrable, boolean initiallyDeferred, int[] fkColumns, UUID constraintId, UUID indexId, SchemaDescriptor schemaDesc, UUID referencedConstraintId, boolean isEnabled, int raDeleteRule, int raUpdateRule)(Code) Constructor for a ForeignKeyConstraintDescriptor Parameters:   dataDictionary - The data dictionary that this descriptor lives in Parameters:   table - The descriptor of the table the constraint is on Parameters:   constraintName - The name of the constraint. Parameters:   deferrable - If the constraint can be deferred. Parameters:   initiallyDeferred - If the constraint starts life deferred. Parameters:   fkColumns - columns in the foreign key Parameters:   constraintId - UUID of constraint Parameters:   indexId - The UUID for the backing index Parameters:   schemaDesc - The SchemaDescriptor for the constraint Parameters:   referencedConstraintId - is referenced constraint id Parameters:   isEnabled - is the constraint enabled? Method Detail getConstraintType public int getConstraintType()(Code) Gets an identifier telling what type of descriptor it is (UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK). An identifier telling what type of descriptor it is(UNIQUE, PRIMARY KEY, FOREIGN KEY, CHECK). getRaDeleteRule public int getRaDeleteRule()(Code) Gets a referential action rule on a DELETE referential rule defined by the user during foreign key creattionfor a delete (like CASCDE , RESTRICT ..etc) getRaUpdateRule public int getRaUpdateRule()(Code) Gets a referential action rule on a UPDATE referential rule defined by the user during foreign key creattionfor an UPDATE (like CASCDE , RESTRICT ..etc) getReferencedConstraint public ReferencedKeyConstraintDescriptor getReferencedConstraint() throws StandardException(Code) Get the constraint that this FK references. Will return either a primary key or a unique key constriant. the constraint exception:   StandardException - on error getReferencedConstraintId public UUID getReferencedConstraintId() throws StandardException(Code) Get the constraint id for the constraint that this FK references. Will return either a primary key or a unique key constriant. the constraint id exception:   StandardException - on error isSelfReferencingFK public boolean isSelfReferencingFK() throws StandardException(Code) Am I a self-referencing FK? True if my referenced constraint is on the same table as me. true/false exception:   StandardException - on error needsToFire public boolean needsToFire(int stmtType, int[] modifiedCols)(Code) Does this constraint need to fire on this type of DML? True if insert or update and columns intersect Parameters:   stmtType - the type of DML (StatementType.INSERT|StatementType.UPDATE|StatementType.DELETE) Parameters:   modifiedCols - the columns modified, or null for all true/false Fields inherited from org.apache.derby.iapi.sql.dictionary.KeyConstraintDescriptor UUID indexId(Code)(Java Doc) Methods inherited from org.apache.derby.iapi.sql.dictionary.KeyConstraintDescriptor public UUID getConglomerateId()(Code)(Java Doc) public ConglomerateDescriptor getIndexConglomerateDescriptor(DataDictionary dd) throws StandardException(Code)(Java Doc) public UUID getIndexId()(Code)(Java Doc) public String getIndexUUIDString()(Code)(Java Doc) public boolean hasBackingIndex()(Code)(Java Doc) public String toString()(Code)(Java Doc) Fields inherited from org.apache.derby.iapi.sql.dictionary.ConstraintDescriptor final public static int ALL(Code)(Java Doc) final public static int DISABLED(Code)(Java Doc) final public static int ENABLED(Code)(Java Doc) final public static int SYSCONSTRAINTS_STATE_FIELD(Code)(Java Doc) final UUID constraintId(Code)(Java Doc) final String constraintName(Code)(Java Doc) boolean isEnabled(Code)(Java Doc) TableDescriptor table(Code)(Java Doc) Methods inherited from org.apache.derby.iapi.sql.dictionary.ConstraintDescriptor public boolean areColumnsComparable(ColumnDescriptorList otherColumns) throws StandardException(Code)(Java Doc) public boolean columnIntersects(int columnArray)(Code)(Java Doc) public boolean deferrable()(Code)(Java Doc) static boolean doColumnsIntersect(int[] otherColumns, int[] referencedColumns)(Code)(Java Doc) public String getClassType()(Code)(Java Doc) public ColumnDescriptorList getColumnDescriptors() throws StandardException(Code)(Java Doc) abstract public UUID getConglomerateId()(Code)(Java Doc) public String getConstraintName()(Code)(Java Doc) public String getConstraintText()(Code)(Java Doc) abstract public int getConstraintType()(Code)(Java Doc) public DependableFinder getDependableFinder()(Code)(Java Doc) public String getDescriptorName()(Code)(Java Doc) public String getDescriptorType()(Code)(Java Doc) public int[] getKeyColumns()(Code)(Java Doc) public UUID getObjectID()(Code)(Java Doc) public String getObjectName()(Code)(Java Doc) public int getReferenceCount()(Code)(Java Doc) public int[] getReferencedColumns()(Code)(Java Doc) public SchemaDescriptor getSchemaDescriptor()(Code)(Java Doc) public TableDescriptor getTableDescriptor()(Code)(Java Doc) public UUID getTableId()(Code)(Java Doc) public UUID getUUID()(Code)(Java Doc) abstract public boolean hasBackingIndex()(Code)(Java Doc) public boolean initiallyDeferred()(Code)(Java Doc) public boolean isEnabled()(Code)(Java Doc) public boolean isReferenced()(Code)(Java Doc) public synchronized boolean isValid()(Code)(Java Doc) public void makeInvalid(int action, LanguageConnectionContext lcc) throws StandardException(Code)(Java Doc) public void makeValid(LanguageConnectionContext lcc)(Code)(Java Doc) abstract public boolean needsToFire(int stmtType, int[] modifiedCols)(Code)(Java Doc) public void prepareToInvalidate(Provider p, int action, LanguageConnectionContext lcc) throws StandardException(Code)(Java Doc) public void setDisabled()(Code)(Java Doc) public void setEnabled()(Code)(Java Doc) public String toString()(Code)(Java Doc) Fields inherited from org.apache.derby.iapi.sql.dictionary.TupleDescriptor final public static int COLUMN_LIST(Code)(Java Doc) final public static int CONGLOMERATE_LIST(Code)(Java Doc) final public static int CONSTRAINT_LIST(Code)(Java Doc) final public static int TRIGGER_LIST(Code)(Java Doc) Methods inherited from org.apache.derby.iapi.sql.dictionary.TupleDescriptor DependableFinder getColumnDependableFinder(int formatId, byte[] columnBitMap)(Code)(Java Doc) protected DataDictionary getDataDictionary() throws StandardException(Code)(Java Doc) public DependableFinder getDependableFinder(int formatId)(Code)(Java Doc) public String getDescriptorName()(Code)(Java Doc) public String getDescriptorType()(Code)(Java Doc) public boolean isPersistent()(Code)(Java Doc) protected void setDataDictionary(DataDictionary dd)(Code)(Java Doc) 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)