IdentifierGeneratorFactorypublic final class IdentifierGeneratorFactory extends Object | Factory and helper methods for IdentifierGenerator framework. |
| Fields Summary |
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| private static final Log | log | | private static final HashMap | GENERATORS | | public static final Serializable | SHORT_CIRCUIT_INDICATOR | | public static final Serializable | POST_INSERT_INDICATOR |
| Constructors Summary |
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private IdentifierGeneratorFactory()
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| Methods Summary |
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| public static IdentifierGenerator | create(java.lang.String strategy, org.hibernate.type.Type type, java.util.Properties params, org.hibernate.dialect.Dialect dialect)
GENERATORS.put("uuid", UUIDHexGenerator.class);
GENERATORS.put("hilo", TableHiLoGenerator.class);
GENERATORS.put("assigned", Assigned.class);
GENERATORS.put("identity", IdentityGenerator.class);
GENERATORS.put("select", SelectGenerator.class);
GENERATORS.put("sequence", SequenceGenerator.class);
GENERATORS.put("seqhilo", SequenceHiLoGenerator.class);
GENERATORS.put("increment", IncrementGenerator.class);
GENERATORS.put("foreign", ForeignGenerator.class);
GENERATORS.put("guid", GUIDGenerator.class);
GENERATORS.put("uuid.hex", UUIDHexGenerator.class); //uuid.hex is deprecated
GENERATORS.put("sequence-identity", SequenceIdentityGenerator.class);
try {
Class clazz = getIdentifierGeneratorClass( strategy, dialect );
IdentifierGenerator idgen = (IdentifierGenerator) clazz.newInstance();
if (idgen instanceof Configurable) ( (Configurable) idgen).configure(type, params, dialect);
return idgen;
}
catch (Exception e) {
throw new MappingException("could not instantiate id generator", e);
}
| | public static java.lang.Number | createNumber(long value, java.lang.Class clazz)
if ( clazz==Long.class ) {
return new Long(value);
}
else if ( clazz==Integer.class ) {
return new Integer( (int) value );
}
else if ( clazz==Short.class ) {
return new Short( (short) value );
}
else {
throw new IdentifierGenerationException("this id generator generates long, integer, short");
}
| | public static java.io.Serializable | get(java.sql.ResultSet rs, org.hibernate.type.Type type)
Class clazz = type.getReturnedClass();
if ( clazz==Long.class ) {
return new Long( rs.getLong(1) );
}
else if ( clazz==Integer.class ) {
return new Integer( rs.getInt(1) );
}
else if ( clazz==Short.class ) {
return new Short( rs.getShort(1) );
}
else if ( clazz==String.class ) {
return rs.getString(1);
}
else {
throw new IdentifierGenerationException("this id generator generates long, integer, short or string");
}
| | public static java.io.Serializable | getGeneratedIdentity(java.sql.ResultSet rs, org.hibernate.type.Type type)Get the generated identifier when using identity columns
if ( !rs.next() ) {
throw new HibernateException( "The database returned no natively generated identity value" );
}
final Serializable id = IdentifierGeneratorFactory.get( rs, type );
if ( log.isDebugEnabled() ) log.debug( "Natively generated identity: " + id );
return id;
| | public static java.lang.Class | getIdentifierGeneratorClass(java.lang.String strategy, org.hibernate.dialect.Dialect dialect)
Class clazz = (Class) GENERATORS.get(strategy);
if ( "native".equals(strategy) ) clazz = dialect.getNativeIdentifierGeneratorClass();
try {
if (clazz==null) clazz = ReflectHelper.classForName(strategy);
}
catch (ClassNotFoundException e) {
throw new MappingException("could not interpret id generator strategy: " + strategy);
}
return clazz;
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