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org.apache.derby.iapi.sql.dictionary
Class ViewDescriptor  

java.lang.Object
  org.apache.derby.iapi.sql.dictionary.TupleDescriptor
      org.apache.derby.iapi.sql.dictionary.ViewDescriptor

All Implemented Interfaces:

org.apache.derby.catalog.Dependable, org.apache.derby.iapi.sql.depend.Dependent, org.apache.derby.iapi.sql.depend.Provider, UniqueTupleDescriptor

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public class ViewDescriptor

extends TupleDescriptor

implements UniqueTupleDescriptor, org.apache.derby.iapi.sql.depend.Dependent, org.apache.derby.iapi.sql.depend.Provider

This is the implementation of ViewDescriptor. Users of View descriptors should only use the following methods:

1. getUUID
2. setUUID
3. getViewText
4. setViewName
5. getCheckOptionType
6. getCompSchemaId

Version:

0.1

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Field Summary
private  int	checkOption
private  org.apache.derby.catalog.UUID	compSchemaId
static int	NO_CHECK_OPTION
private  org.apache.derby.catalog.UUID	uuid
private  java.lang.String	viewName
private  java.lang.String	viewText

 

Fields inherited from class org.apache.derby.iapi.sql.dictionary.TupleDescriptor

COLUMN_LIST, CONGLOMERATE_LIST, CONSTRAINT_LIST, TRIGGER_LIST

 

Fields inherited from interface org.apache.derby.catalog.Dependable

ALIAS, COLUMNS_IN_TABLE, CONGLOMERATE, CONSTRAINT, DEFAULT, FILE, HEAP, INDEX, PREPARED_STATEMENT, SCHEMA, STORED_PREPARED_STATEMENT, TABLE, TRIGGER, VIEW

 

Constructor Summary

ViewDescriptor(DataDictionary dataDictionary, org.apache.derby.catalog.UUID viewID, java.lang.String viewName, java.lang.String viewText, int checkOption, org.apache.derby.catalog.UUID compSchemaId)           Constructor for a ViewDescriptor.

 

Method Summary
private  void	dropViewCascade(org.apache.derby.iapi.sql.conn.LanguageConnectionContext lcc)           Drops the dependent view as part of a drop table cascade
void	dropViewWork(DataDictionary dd, org.apache.derby.iapi.sql.depend.DependencyManager dm, org.apache.derby.iapi.sql.conn.LanguageConnectionContext lcc, org.apache.derby.iapi.store.access.TransactionController tc, SchemaDescriptor sd, TableDescriptor td, boolean cascade)
int	getCheckOptionType()           Gets an identifier telling what type of check option is on this view.
java.lang.String	getClassType()           Get the provider's type.
org.apache.derby.catalog.UUID	getCompSchemaId()           Get the compilation type schema id when this view was first bound.
org.apache.derby.catalog.DependableFinder	getDependableFinder()           Get an object which can be written to disk and which, when read from disk, will find or reconstruct this in-memory Dependable.
org.apache.derby.catalog.UUID	getObjectID()           Get the provider's UUID
java.lang.String	getObjectName()           Return the name of this Provider.
org.apache.derby.catalog.UUID	getUUID()           Gets the UUID of the view.
java.lang.String	getViewText()           Gets the text of the view definition.
boolean	isValid()           Check that all of the dependent's dependencies are valid.
void	makeInvalid(int action, org.apache.derby.iapi.sql.conn.LanguageConnectionContext lcc)           Mark the dependent as invalid (due to at least one of its dependencies being invalid).
void	makeValid(org.apache.derby.iapi.sql.conn.LanguageConnectionContext lcc)           Attempt to revalidate the dependent.
void	prepareToInvalidate(org.apache.derby.iapi.sql.depend.Provider p, int action, org.apache.derby.iapi.sql.conn.LanguageConnectionContext lcc)           Prepare to mark the dependent as invalid (due to at least one of its dependencies being invalid).
void	setUUID(org.apache.derby.catalog.UUID uuid)           Sets the UUID of the view.
void	setViewName(java.lang.String name)           Sets the name of the view.
java.lang.String	toString()           Prints the contents of the ViewDescriptor

 

Methods inherited from class org.apache.derby.iapi.sql.dictionary.TupleDescriptor

getColumnDependableFinder, getDataDictionary, getDependableFinder, getDescriptorName, getDescriptorType, isPersistent, setDataDictionary

 

Methods inherited from class java.lang.Object

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

 

Methods inherited from interface org.apache.derby.catalog.Dependable

isPersistent

 

Field Detail

checkOption

private int checkOption

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viewName

private java.lang.String viewName

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viewText

private java.lang.String viewText

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uuid

private org.apache.derby.catalog.UUID uuid

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compSchemaId

private org.apache.derby.catalog.UUID compSchemaId

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NO_CHECK_OPTION

public static final int NO_CHECK_OPTION

See Also:

Constant Field Values

Constructor Detail

ViewDescriptor

public ViewDescriptor(DataDictionary dataDictionary,
                      org.apache.derby.catalog.UUID viewID,
                      java.lang.String viewName,
                      java.lang.String viewText,
                      int checkOption,
                      org.apache.derby.catalog.UUID compSchemaId)

Constructor for a ViewDescriptor.

Method Detail

getUUID

public org.apache.derby.catalog.UUID getUUID()

Gets the UUID of the view.

Specified by:

getUUID in interface UniqueTupleDescriptor

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setUUID

public void setUUID(org.apache.derby.catalog.UUID uuid)

Sets the UUID of the view.

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getViewText

public java.lang.String getViewText()

Gets the text of the view definition.

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setViewName

public void setViewName(java.lang.String name)

Sets the name of the view.

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getCheckOptionType

public int getCheckOptionType()

Gets an identifier telling what type of check option is on this view.

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getCompSchemaId

public org.apache.derby.catalog.UUID getCompSchemaId()

Get the compilation type schema id when this view was first bound.

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getDependableFinder

public org.apache.derby.catalog.DependableFinder getDependableFinder()

Description copied from interface: org.apache.derby.catalog.Dependable

Get an object which can be written to disk and which, when read from disk, will find or reconstruct this in-memory Dependable.

Specified by:

getDependableFinder in interface org.apache.derby.catalog.Dependable

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getObjectName

public java.lang.String getObjectName()

Return the name of this Provider. (Useful for errors.)

Specified by:

getObjectName in interface org.apache.derby.catalog.Dependable

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getObjectID

public org.apache.derby.catalog.UUID getObjectID()

Get the provider's UUID

Specified by:

getObjectID in interface org.apache.derby.catalog.Dependable

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getClassType

public java.lang.String getClassType()

Get the provider's type.

Specified by:

getClassType in interface org.apache.derby.catalog.Dependable

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isValid

public boolean isValid()

Check that all of the dependent's dependencies are valid.

Specified by:

isValid in interface org.apache.derby.iapi.sql.depend.Dependent

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prepareToInvalidate

public void prepareToInvalidate(org.apache.derby.iapi.sql.depend.Provider p,
                                int action,
                                org.apache.derby.iapi.sql.conn.LanguageConnectionContext lcc)
                         throws org.apache.derby.iapi.error.StandardException

Prepare to mark the dependent as invalid (due to at least one of its dependencies being invalid).

Specified by:

prepareToInvalidate in interface org.apache.derby.iapi.sql.depend.Dependent

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makeInvalid

public void makeInvalid(int action,
                        org.apache.derby.iapi.sql.conn.LanguageConnectionContext lcc)
                 throws org.apache.derby.iapi.error.StandardException

Mark the dependent as invalid (due to at least one of its dependencies being invalid).

Specified by:

makeInvalid in interface org.apache.derby.iapi.sql.depend.Dependent

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makeValid

public void makeValid(org.apache.derby.iapi.sql.conn.LanguageConnectionContext lcc)
               throws org.apache.derby.iapi.error.StandardException

Attempt to revalidate the dependent. For prepared statements, this could go through its dependencies and check that they are up to date; if not, it would recompile the statement. Any failure during this attempt should throw StandardException.unableToRevalidate().

Specified by:

makeValid in interface org.apache.derby.iapi.sql.depend.Dependent

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toString

public java.lang.String toString()

Prints the contents of the ViewDescriptor

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dropViewCascade

private void dropViewCascade(org.apache.derby.iapi.sql.conn.LanguageConnectionContext lcc)
                      throws org.apache.derby.iapi.error.StandardException

Drops the dependent view as part of a drop table cascade

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dropViewWork

public void dropViewWork(DataDictionary dd,
                         org.apache.derby.iapi.sql.depend.DependencyManager dm,
                         org.apache.derby.iapi.sql.conn.LanguageConnectionContext lcc,
                         org.apache.derby.iapi.store.access.TransactionController tc,
                         SchemaDescriptor sd,
                         TableDescriptor td,
                         boolean cascade)
                  throws org.apache.derby.iapi.error.StandardException

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Overview  Package   Class  Use  Deprecated  Index
Home >> All >> org >> apache >> derby >> iapi >> sql >> [ dictionary overview ]	PREV CLASS  NEXT CLASS
SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

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