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Date: Tue, 16 Nov 2010 11:36:13 -0500 (EST)
From: "wendy gibbons (JIRA)" <jira@apache.org>
To: dev@openjpa.apache.org
Subject: [jira] Created: (OPENJPA-1887) eclipse bytecode enhancer ignoring
 annotations
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eclipse bytecode enhancer ignoring annotations
----------------------------------------------

                 Key: OPENJPA-1887
                 URL: https://issues.apache.org/jira/browse/OPENJPA-1887
             Project: OpenJPA
          Issue Type: Bug
          Components: Enhance
    Affects Versions: 1.2.2
         Environment: windows xp, eclipse 3.5 bytecode enhance OpenJPA Eclipse Feature 1.0.0.201001181728
OpenJPA 1.2.2
            Reporter: wendy gibbons


This is long and very detailed as it is the result of a discussion on http://openjpa.208410.n2.nabble.com/beans-Enitiy-annotation-and-bytcode-enhancement-td5380244.html#a5744274

when i use the eclipse bytecode enhancer the annotation @Entity(name="testTable") is ignored and all youhave available if the class name

BEAN:
@Entity(name="testTable")
@Table(name = "cocktails") 
public class TestBean implements IBean{

	Integer id;
    String data1;
   
    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    @Column(name = "id", unique = true, nullable = false)
    public Integer getId() {
            return id;
    }
   
    public void setId(Integer id_) {
            id = id_;
    }
   
    @Column(name="name")
    public String getData1() {
            return data1;
    }
   
    public void setData1(String data1_) {
            data1 = data1_;
    }
}

DAO:
public class TestDAO extends BaseDAO<TestBean> {

	@Override
	public List<TestBean> findAll() {
		return findAll("testTable");
	}
}

main:
public static void main(String[] args) {
		TestDAO dao = new TestDAO();
		List<TestBean> findAll = dao.findAll();
		for (TestBean testBean : findAll) {
			System.out.println(testBean.getData1());
		}
		
	}

persistence.xml:
<persistence-unit name="TestPU"
		transaction-type="RESOURCE_LOCAL">
		<provider>
			org.apache.openjpa.persistence.PersistenceProviderImpl
		</provider>
		<class>com.test.dao.Cocktail</class>
		<class>com.test.dao.TestBean</class>
...

creating a main and selecting from TestBean (no enhancement) i get:

16-Nov-2010 15:42:03 com.test.dao.EntityManagerHelper log
INFO: finding allTest
110  TestPU  INFO   [main] openjpa.Runtime - Starting OpenJPA 1.2.2
250  TestPU  INFO   [main] openjpa.jdbc.JDBC - Using dictionary class "org.apache.openjpa.jdbc.sql.MySQLDictionary".
781  TestPU  INFO   [main] openjpa.Enhance - Creating subclass for "[class com.test.dao.Cocktail, class com.test.dao.TestBean]". This means that your application will be less efficient and will consume more memory than it would if you ran the OpenJPA enhancer. Additionally, lazy loading will not be available for one-to-one and many-to-one persistent attributes in types using field access; they will be loaded eagerly instead.
1594  TestPU  TRACE  [main] openjpa.jdbc.SQL - <t 31212095, conn 25254907> executing prepstmnt 21465667 SELECT t0.id, t0.name, t0.activeYN FROM cocktails t0 ORDER BY t0.id ASC
1610  TestPU  TRACE  [main] openjpa.jdbc.SQL - <t 31212095, conn 25254907> [16 ms] spent 

running using the runtime enhancer: (putting -javaagent:C:\JavaProjects\OpenJpaTest\WebContent\WEB-INF\lib\openjpa-1.2.2.jar in the run configuration arguments)
16-Nov-2010 15:44:11 com.test.dao.EntityManagerHelper log
INFO: finding allTest
141  TestPU  INFO   [main] openjpa.Runtime - Starting OpenJPA 1.2.2
235  TestPU  INFO   [main] openjpa.jdbc.JDBC - Using dictionary class "org.apache.openjpa.jdbc.sql.MySQLDictionary".
1829  TestPU  TRACE  [main] openjpa.jdbc.SQL - <t 3841429, conn 4176892> executing prepstmnt 30702379 SELECT t0.id, t0.name, t0.activeYN FROM cocktails t0 ORDER BY t0.id ASC
1860  TestPU  TRACE  [main] openjpa.jdbc.SQL - <t 3841429, conn 4176892> [31 ms] spent 

And using the eclipse bytecode enhancer plugin:

16-Nov-2010 15:45:32 com.test.dao.EntityManagerHelper log
INFO: finding allTest
109  TestPU  INFO   [main] openjpa.Runtime - Starting OpenJPA 1.2.2
250  TestPU  INFO   [main] openjpa.jdbc.JDBC - Using dictionary class "org.apache.openjpa.jdbc.sql.MySQLDictionary".
16-Nov-2010 15:45:33 com.test.dao.EntityManagerHelper log
SEVERE: find all  failed name failed
<openjpa-1.2.2-r422266:898935 nonfatal user error> org.apache.openjpa.persistence.ArgumentException: An error occurred while parsing the query filter "select model from testTable model order by model.id". Error message: The name "testTable" is not a recognized entity or identifier. Perhaps you meant TestBean, which is a close match. Known entity names: [TestBean, Cocktail]
        at org.apache.openjpa.kernel.exps.AbstractExpressionBuilder.parseException(AbstractExpressionBuilder.java:118) .

Trying now with the latest version of openjpa jar


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