org.datanucleus.store.rdbms.valuegenerator

Class DatastoreUUIDHexGenerator

java.lang.Object

org.datanucleus.store.valuegenerator.AbstractGenerator<T>

org.datanucleus.store.valuegenerator.AbstractConnectedGenerator<String>

org.datanucleus.store.rdbms.valuegenerator.DatastoreUUIDHexGenerator

All Implemented Interfaces:

org.datanucleus.store.valuegenerator.ValueGenerator<String>

public final class DatastoreUUIDHexGenerator
extends org.datanucleus.store.valuegenerator.AbstractConnectedGenerator<String>

ValueGenerator using DB2 datastore-based DatastoreUUID generation.

Nested Class Summary

Nested classes/interfaces inherited from class org.datanucleus.store.valuegenerator.AbstractConnectedGenerator

org.datanucleus.store.valuegenerator.AbstractConnectedGenerator.ConnectionPreference

Field Summary

Fields inherited from class org.datanucleus.store.valuegenerator.AbstractConnectedGenerator

connectionProvider, properties

Fields inherited from class org.datanucleus.store.valuegenerator.AbstractGenerator

allocationSize, block, initialValue, name, storeMgr

Fields inherited from interface org.datanucleus.store.valuegenerator.ValueGenerator

PROPERTY_CATALOG_NAME, PROPERTY_CLASS_NAME, PROPERTY_COLUMN_NAME, PROPERTY_FIELD_NAME, PROPERTY_KEY_CACHE_SIZE, PROPERTY_KEY_DATABASE_CACHE_SIZE, PROPERTY_KEY_INITIAL_VALUE, PROPERTY_KEY_MAX_VALUE, PROPERTY_KEY_MIN_VALUE, PROPERTY_ROOT_CLASS_NAME, PROPERTY_SCHEMA_NAME, PROPERTY_SEQUENCE_NAME, PROPERTY_SEQUENCETABLE_CATALOG, PROPERTY_SEQUENCETABLE_NAME_COLUMN, PROPERTY_SEQUENCETABLE_NEXTVAL_COLUMN, PROPERTY_SEQUENCETABLE_SCHEMA, PROPERTY_SEQUENCETABLE_TABLE, PROPERTY_TABLE_NAME

Constructor Summary

Constructors

Constructor and Description
DatastoreUUIDHexGenerator(org.datanucleus.store.StoreManager storeMgr, String name, Properties props) Constructor.

Method Summary

Modifier and Type	Method and Description
static Class	getStorageClass() Accessor for the storage class for values generated with this generator.
protected org.datanucleus.store.valuegenerator.ValueGenerationBlock<String>	reserveBlock(long size) Reserve a block of ids.

Methods inherited from class org.datanucleus.store.valuegenerator.AbstractConnectedGenerator

getConnectionPreference, setConnectionProvider

Methods inherited from class org.datanucleus.store.valuegenerator.AbstractGenerator

allocate, current, currentValue, getName, next, nextValue, obtainGenerationBlock, obtainGenerationBlock, reserveBlock

Methods inherited from class java.lang.Object

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

Constructor Detail

DatastoreUUIDHexGenerator

public DatastoreUUIDHexGenerator(org.datanucleus.store.StoreManager storeMgr,
                                 String name,
                                 Properties props)

Constructor.

Parameters:

storeMgr - StoreManager

name - Symbolic name for this generator

props - Properties defining the behaviour of this generator

Method Detail

getStorageClass

public static Class getStorageClass()

Accessor for the storage class for values generated with this generator.

Returns:

Storage class (in this case String.class)

reserveBlock

protected org.datanucleus.store.valuegenerator.ValueGenerationBlock<String> reserveBlock(long size)

Reserve a block of ids.

Specified by:

reserveBlock in class org.datanucleus.store.valuegenerator.AbstractGenerator<String>

Parameters:

size - Block size

Returns:

The reserved block