Top Fields Constructors Methods
org.apache.derby.impl.store.access

public Class PC_XenaVersion

extends Object
implements Formatable
Class Inheritance
All Implemented Interfaces
org.apache.derby.iapi.services.io.Formatable, org.apache.derby.iapi.services.io.TypedFormat, java.io.Externalizable, java.io.Serializable
Imports
org.apache.derby.shared.common.reference.SQLState, org.apache.derby.iapi.services.io.StoredFormatIds, .Formatable, org.apache.derby.shared.common.error.StandardException, org.apache.derby.iapi.sql.dictionary.DataDictionary, org.apache.derby.iapi.store.access.TransactionController, java.io.IOException, .ObjectInput, .ObjectOutput, java.util.Properties

Field Summary

Modifier and TypeField and Description
private int
minorVersion

private static final int
XENA_MAJOR_VERSION

private static final int
XENA_MINOR_VERSION_0

Constructor Summary

AccessConstructor and Description
public
PC_XenaVersion()

Method Summary

Modifier and TypeMethod and Description
public int
getMajorVersionNumber()

public int
getMinorVersionNumber()

public int
getTypeFormatId()

Implements org.apache.derby.iapi.services.io.TypedFormat.getTypeFormatId.

Get a universally unique identifier for the type of this object.

private boolean
isUpgradeNeeded(PC_XenaVersion fromVersion)

public void
readExternal(ObjectInput
the stream to read data from in order to restore the object
in)

Implements java.io.Externalizable.readExternal.

The object implements the readExternal method to restore its contents by calling the methods of DataInput for primitive types and readObject for objects, strings and arrays.

public String
toString()

Overrides java.lang.Object.toString.

Returns a string representation of the object.

public void
upgradeIfNeeded(TransactionController tc, PropertyConglomerate pc, Properties serviceProperties)

public void
writeExternal(ObjectOutput
the stream to write the object to
out)

Implements java.io.Externalizable.writeExternal.

The object implements the writeExternal method to save its contents by calling the methods of DataOutput for its primitive values or calling the writeObject method of ObjectOutput for objects, strings, and arrays.

Inherited from java.lang.Object:
cloneequalsfinalizegetClasshashCodenotifynotifyAllwaitwaitwait

Field Detail

minorVersionback to summary
private int minorVersion
XENA_MAJOR_VERSIONback to summary
private static final int XENA_MAJOR_VERSION
XENA_MINOR_VERSION_0back to summary
private static final int XENA_MINOR_VERSION_0

Constructor Detail

PC_XenaVersionback to summary
public PC_XenaVersion()

Method Detail

getMajorVersionNumberback to summary
public int getMajorVersionNumber()
getMinorVersionNumberback to summary
public int getMinorVersionNumber()
getTypeFormatIdback to summary
public int getTypeFormatId()

Implements org.apache.derby.iapi.services.io.TypedFormat.getTypeFormatId.

Doc from org.apache.derby.iapi.services.io.TypedFormat.getTypeFormatId.

Get a universally unique identifier for the type of this object.

Returns:int

The identifier. (A UUID stuffed in an array of 16 bytes).

isUpgradeNeededback to summary
private boolean isUpgradeNeeded(PC_XenaVersion fromVersion)
readExternalback to summary
public void readExternal(ObjectInput in) throws IOException

Implements java.io.Externalizable.readExternal.

Doc from java.io.Externalizable.readExternal.

The object implements the readExternal method to restore its contents by calling the methods of DataInput for primitive types and readObject for objects, strings and arrays. The readExternal method must read the values in the same sequence and with the same types as were written by writeExternal.

Parameters
in:ObjectInput

the stream to read data from in order to restore the object

Exceptions
IOException:
if I/O errors occur
toStringback to summary
public String toString()

Overrides java.lang.Object.toString.

Doc from java.lang.Object.toString.

Returns a string representation of the object. Satisfying this method's contract implies a non-null result must be returned.

Returns:String

a string representation of the object

upgradeIfNeededback to summary
public void upgradeIfNeeded(TransactionController tc, PropertyConglomerate pc, Properties serviceProperties) throws StandardException
writeExternalback to summary
public void writeExternal(ObjectOutput out) throws IOException

Implements java.io.Externalizable.writeExternal.

Doc from java.io.Externalizable.writeExternal.

The object implements the writeExternal method to save its contents by calling the methods of DataOutput for its primitive values or calling the writeObject method of ObjectOutput for objects, strings, and arrays.

Parameters
out:ObjectOutput

the stream to write the object to

Exceptions
IOException:
Includes any I/O exceptions that may occur