org.apache.cayenne.dba.ingres
Class IngresPkGenerator

java.lang.Object
  org.apache.cayenne.dba.JdbcPkGenerator
      org.apache.cayenne.dba.oracle.OraclePkGenerator
          org.apache.cayenne.dba.ingres.IngresPkGenerator

All Implemented Interfaces:

PkGenerator

public class IngresPkGenerator
extends OraclePkGenerator

Ingres-specific sequence based PK generator.

Since:

1.2

Author:

Tore Halset

Field Summary

Fields inherited from class org.apache.cayenne.dba.JdbcPkGenerator

DEFAULT_PK_CACHE_SIZE, NEXT_ID, objDesc, pkCache, pkCacheSize, resultDesc

Constructor Summary

IngresPkGenerator()

Method Summary

protected java.util.List	getExistingSequences(DataNode node) Fetches a list of existing sequences that might match Cayenne generated ones.
protected int	pkFromDatabase(DataNode node, DbEntity ent) Generates primary key by calling Oracle sequence corresponding to the dbEntity.

Methods inherited from class org.apache.cayenne.dba.oracle.OraclePkGenerator

createAutoPk, createAutoPkStatements, createSequenceString, dropAutoPk, dropAutoPkStatements, dropSequenceString, pkCacheSize, sequenceName, stripSchemaName

Methods inherited from class org.apache.cayenne.dba.JdbcPkGenerator

autoPkTableExists, binaryPK, dropAutoPkString, generatePkForDbEntity, generatePkForDbEntityString, getPkCacheSize, pkCreateString, pkDeleteString, pkSelectString, pkTableCreateString, pkUpdateString, reset, runUpdate, setPkCacheSize

Methods inherited from class java.lang.Object

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

Constructor Detail

IngresPkGenerator

public IngresPkGenerator()

Method Detail

pkFromDatabase

protected int pkFromDatabase(DataNode node,
                             DbEntity ent)
                      throws java.lang.Exception

Generates primary key by calling Oracle sequence corresponding to the dbEntity. Executed SQL looks like this:

     SELECT nextval(pk_table_name)
 

Overrides:

pkFromDatabase in class OraclePkGenerator

Throws:

java.lang.Exception

getExistingSequences

protected java.util.List getExistingSequences(DataNode node)
                                       throws java.sql.SQLException

Description copied from class: OraclePkGenerator

Fetches a list of existing sequences that might match Cayenne generated ones.

Overrides:

getExistingSequences in class OraclePkGenerator

Throws:

java.sql.SQLException