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org.apache.derby.impl.sql.catalog
Class DDColumnDependableFinder  

java.lang.Object
  org.apache.derby.impl.sql.catalog.DDdependableFinder
      org.apache.derby.impl.sql.catalog.DDColumnDependableFinder

All Implemented Interfaces:

org.apache.derby.catalog.DependableFinder, java.io.Externalizable, org.apache.derby.iapi.services.io.Formatable, java.io.Serializable, org.apache.derby.iapi.services.io.TypedFormat

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public class DDColumnDependableFinder

extends DDdependableFinder

Class for implementation of DependableFinder in the core DataDictionary for referenced columns in a table.

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Field Summary
private  byte[]	columnBitMap

 

Fields inherited from class org.apache.derby.impl.sql.catalog.DDdependableFinder

 

Constructor Summary

DDColumnDependableFinder(int formatId)           Constructor same as in parent.

DDColumnDependableFinder(int formatId, byte[] columnBitMap)           Constructor given referenced column bit map byte array as in FormatableBitSet

 

Method Summary
byte[]	getColumnBitMap()           Get the byte array encoding the bitmap of referenced columns in a table.
protected  org.apache.derby.catalog.Dependable	getDependable(org.apache.derby.iapi.sql.dictionary.DataDictionary dd, org.apache.derby.catalog.UUID dependableObjectID)           Get a dependable object, which is essentially a table descriptor with referencedColumnMap field set.
void	readExternal(java.io.ObjectInput in)           Read this object from a stream of stored objects.
void	setColumnBitMap(byte[] columnBitMap)           Set the byte array encoding the bitmap of referenced columns in a table.
void	writeExternal(java.io.ObjectOutput out)           Write this object to a stream of stored objects.

 

Methods inherited from class org.apache.derby.impl.sql.catalog.DDdependableFinder

getDependable, getDependable, getSQLObjectName, getSQLObjectName, getSQLObjectType, getTypeFormatId, toString

 

Methods inherited from class java.lang.Object

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

 

Field Detail

columnBitMap

private byte[] columnBitMap

Constructor Detail

DDColumnDependableFinder

public DDColumnDependableFinder(int formatId)

Constructor same as in parent.

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DDColumnDependableFinder

public DDColumnDependableFinder(int formatId,
                                byte[] columnBitMap)

Constructor given referenced column bit map byte array as in FormatableBitSet

Method Detail

getColumnBitMap

public byte[] getColumnBitMap()

Get the byte array encoding the bitmap of referenced columns in a table.

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setColumnBitMap

public void setColumnBitMap(byte[] columnBitMap)

Set the byte array encoding the bitmap of referenced columns in a table.

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getDependable

protected org.apache.derby.catalog.Dependable getDependable(org.apache.derby.iapi.sql.dictionary.DataDictionary dd,
                                                            org.apache.derby.catalog.UUID dependableObjectID)
                                                     throws org.apache.derby.iapi.error.StandardException

Get a dependable object, which is essentially a table descriptor with referencedColumnMap field set.

Overrides:

getDependable in class DDdependableFinder

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readExternal

public void readExternal(java.io.ObjectInput in)
                  throws java.io.IOException,
                         java.lang.ClassNotFoundException

Read this object from a stream of stored objects. Just read the byte array, besides what the parent does.

Specified by:

readExternal in interface java.io.Externalizable

Overrides:

readExternal in class DDdependableFinder

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writeExternal

public void writeExternal(java.io.ObjectOutput out)
                   throws java.io.IOException

Write this object to a stream of stored objects. Just write the byte array, besides what the parent does.

Specified by:

writeExternal in interface java.io.Externalizable

Overrides:

writeExternal in class DDdependableFinder

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

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