Example Adempiere JPA persistance

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Example to implement discriminator column given by Victor and Teo.

JPA approach	ADempiere approach
	Login as System Administrator From Reference window, create a new reference with Name "A_Asset_Type", set the validation type as List, then go to List Validation tab, and add the following records: Search Key=T1, Name=Type1 Search Key=T2, Name=Type2 Open the Table and Column window, search for "A_Asset" table, go to Column tab, and add "A_Asset_Type" column, set the reference as List, and set the reference value "A_Asset_Type", and check the "Discriminator Column" box The Java code should be:
@Entity @Table(name="A_ASSET") @Inheritance(strategy=SINGLE_TABLE, discriminatorValue="AA") @DiscriminatorColumn(name="A_ASSET_TYPE") public class MAsset implements Serializable { ... }	public class MAsset extends X_A_Asset { ... }
@Entity @Inheritance(discriminatorValue="T1") public class MAssetType1 extends MAsset { ... }	public class MAssetType1 extends MAsset { ... }
@Entity @Inheritance(discriminatorValue="T2") public class MAssetType2 extends MAsset { ... }	public class MAssetType2 extends MAsset { ... }