kodo.jdbc.meta
Class VersionIndicator

java.lang.Object
  |
  +--kodo.jdbc.meta.Indicator
        |
        +--kodo.jdbc.meta.VersionIndicator

All Implemented Interfaces:

Mapping

Direct Known Subclasses:

ColumnVersionIndicator, StateImageVersionIndicator

public abstract class VersionIndicator

extends Indicator

Handles optimistic lock versioning for a class.

Constructor Summary

VersionIndicator()

Method Summary

abstract int	compareVersion(Object v1, Object v2)
static VersionIndicator[]	getDefaults() Return the set of default version indicators.
void	load(KodoStateManager sm, JDBCStoreManager store, Result res) Load virtual row data.
static VersionIndicator	newInstance(String type) Return the indicator for the given indicator name.
void	postLoad(KodoStateManager sm, JDBCStoreManager store) This method is called after data is loaded into the instance, in case the version indicator works off of a state image.
abstract boolean	synchVersion(KodoStateManager sm, JDBCStoreManager store) Synchronize the version of the given state manager with the version stored in memory.
String	toString()

Methods inherited from class kodo.jdbc.meta.Indicator

addMappingInfoAttributes, delete, delete, fromMappingInfo, getColumns, getDBDictionary, getMappingRepository, getOwnerMapping, getTable, insert, insert, isCustomDelete, isCustomInsert, isCustomUpdate, refSchemaComponents, reverseMap, select, setOwnerMapping, update, update

Methods inherited from class java.lang.Object

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

Methods inherited from interface kodo.jdbc.meta.Mapping

getMappingType, map, toMappingInfo

Constructor Detail

VersionIndicator

public VersionIndicator()

Method Detail

newInstance

public static VersionIndicator newInstance(String type)

Return the indicator for the given indicator name.

getDefaults

public static VersionIndicator[] getDefaults()

Return the set of default version indicators.

load

public void load(KodoStateManager sm,
                 JDBCStoreManager store,
                 Result res)
          throws SQLException

Load virtual row data.

postLoad

public void postLoad(KodoStateManager sm,
                     JDBCStoreManager store)

This method is called after data is loaded into the instance, in case the version indicator works off of a state image.

synchVersion

public abstract boolean synchVersion(KodoStateManager sm,
                                     JDBCStoreManager store)
                              throws SQLException

Synchronize the version of the given state manager with the version stored in memory.

See Also:

StoreManager.synchVersion(kodo.runtime.KodoStateManager, java.lang.Object)

compareVersion

public abstract int compareVersion(Object v1,
                                   Object v2)

See Also:

StoreManager.compareVersion(kodo.runtime.KodoStateManager, java.lang.Object, java.lang.Object)

toString

public String toString()

Overrides:

toString in class Object