Author: arminw
Date: Fri Jun 16 14:38:08 2006
New Revision: 414933
URL: http://svn.apache.org/viewvc?rev=414933&view=rev
Log:
add new methods to improve support for advanced jdbc data types (like
JAVA_OBJECT) and ease read in of result set columns
Modified:
db/ojb/branches/OJB_1_0_RELEASE/src/java/org/apache/ojb/broker/metadata/FieldDescriptor.java
Modified:
db/ojb/branches/OJB_1_0_RELEASE/src/java/org/apache/ojb/broker/metadata/FieldDescriptor.java
URL:
http://svn.apache.org/viewvc/db/ojb/branches/OJB_1_0_RELEASE/src/java/org/apache/ojb/broker/metadata/FieldDescriptor.java?rev=414933&r1=414932&r2=414933&view=diff
==============================================================================
---
db/ojb/branches/OJB_1_0_RELEASE/src/java/org/apache/ojb/broker/metadata/FieldDescriptor.java
(original)
+++
db/ojb/branches/OJB_1_0_RELEASE/src/java/org/apache/ojb/broker/metadata/FieldDescriptor.java
Fri Jun 16 14:38:08 2006
@@ -16,6 +16,8 @@
*/
import java.io.Serializable;
+import java.sql.CallableStatement;
+import java.sql.SQLException;
import java.sql.Types;
import java.util.Comparator;
@@ -24,10 +26,12 @@
import org.apache.commons.lang.builder.ToStringBuilder;
import org.apache.commons.lang.builder.ToStringStyle;
import org.apache.ojb.broker.OJBRuntimeException;
-import org.apache.ojb.broker.accesslayer.conversions.FieldConversion;
-import org.apache.ojb.broker.metadata.fieldaccess.AnonymousPersistentField;
+import org.apache.ojb.broker.PersistenceBroker;
import org.apache.ojb.broker.accesslayer.NullCheck;
import org.apache.ojb.broker.accesslayer.NullCheckDefaultImpl;
+import org.apache.ojb.broker.accesslayer.ResultSetAndStatement;
+import org.apache.ojb.broker.accesslayer.conversions.FieldConversion;
+import org.apache.ojb.broker.metadata.fieldaccess.AnonymousPersistentField;
import org.apache.ojb.broker.util.ClassHelper;
/**
@@ -542,6 +546,73 @@
public boolean isLobFieldType()
{
return getJdbcType().getFieldType().isLobField();
+ }
+
+
+ /**
+ * Reads in the value of the field/column represented by this
<code>FieldDescriptor</code>.
+ *
+ * @param rs_stmt The current used [EMAIL PROTECTED]
org.apache.ojb.broker.accesslayer.ResultSetAndStatement} instance.
+ * @param convert If set <em>true</em> a
+ * [EMAIL PROTECTED]
org.apache.ojb.broker.accesslayer.conversions.FieldConversion#sqlToJava(Object)}
conversion call
+ * is done.
+ * @return The read in value of this field.
+ * @throws SQLException
+ */
+ public Object readValue(final ResultSetAndStatement rs_stmt, boolean
convert)
+ throws SQLException
+ {
+ int idx = rs_stmt.m_sql.getColumnIndex(this);
+ return readValue(rs_stmt, idx, convert);
+ }
+
+ /**
+ * Reads in the value of the field/column represented by this
<code>FieldDescriptor</code>.
+ *
+ * @param rs_stmt The current used [EMAIL PROTECTED]
org.apache.ojb.broker.accesslayer.ResultSetAndStatement} instance.
+ * @param index The result set column index.
+ * @param convert If set <em>true</em> a
+ * [EMAIL PROTECTED]
org.apache.ojb.broker.accesslayer.conversions.FieldConversion#sqlToJava(Object)}
conversion call
+ * is done.
+ * @return The read in value of this field.
+ * @throws SQLException
+ */
+ public Object readValue(final ResultSetAndStatement rs_stmt, int index,
boolean convert)
+ throws SQLException
+ {
+ Object val = getJdbcType().getObjectFromColumn(rs_stmt.m_rs, null,
getColumnName(), index);
+ val = rs_stmt.m_platform.postPrepareReadInValue(this, val);
+ if(convert) val = getFieldConversion().sqlToJava(val);
+ if(isLobFieldType())
+ {
+ val = rs_stmt.m_broker.serviceLobHelper().wrapLobField(this, val);
+ }
+ return val;
+ }
+
+ /**
+ * Reads in the value of the field/column represented by this
<code>FieldDescriptor</code>.
+ *
+ * @param broker The current used <code>PersistenceBroker</code>.
+ * @param stmt The current used <code>CallableStatement</code>.
+ * @param index The result set column index.
+ * @param convert If set <em>true</em> a
+ * [EMAIL PROTECTED]
org.apache.ojb.broker.accesslayer.conversions.FieldConversion#sqlToJava(Object)}
conversion call
+ * is done.
+ * @return The read in value of this field.
+ * @throws SQLException
+ */
+ public Object readValue(final PersistenceBroker broker, final
CallableStatement stmt, int index, boolean convert)
+ throws SQLException
+ {
+ Object val = getJdbcType().getObjectFromColumn(stmt, index);
+ val =
broker.serviceConnectionManager().getSupportedPlatform().postPrepareReadInValue(this,
val);
+ if(convert) val = getFieldConversion().sqlToJava(val);
+ if(isLobFieldType())
+ {
+ val = broker.serviceLobHelper().wrapLobField(this, val);
+ }
+ return val;
}
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