org.apache.cayenne.access.trans
Class LOBBatchQueryBuilder

java.lang.Object
  org.apache.cayenne.access.trans.BatchQueryBuilder
      org.apache.cayenne.access.trans.LOBBatchQueryBuilder

Direct Known Subclasses:

LOBInsertBatchQueryBuilder, LOBUpdateBatchQueryBuilder

public abstract class LOBBatchQueryBuilder
extends BatchQueryBuilder

Superclass of query builders for the DML operations involving LOBs.

Author:

Andrei Adamchik

Field Summary

protected java.lang.String	newBlobFunction
protected java.lang.String	newClobFunction

Fields inherited from class org.apache.cayenne.access.trans.BatchQueryBuilder

adapter, trimFunction

Constructor Summary

LOBBatchQueryBuilder(DbAdapter adapter)

Method Summary

protected void	appendUpdatedParameter(java.lang.StringBuffer buf, DbAttribute dbAttribute, java.lang.Object value) Appends parameter placeholder for the value of the column being updated.
void	bindParameters(java.sql.PreparedStatement statement, BatchQuery query) Binds BatchQuery parameters to the PreparedStatement.
java.lang.String	createLOBSelectString(BatchQuery updateQuery, java.util.List selectedLOBAttributes, java.util.List qualifierAttributes)
java.lang.String	getNewBlobFunction()
java.lang.String	getNewClobFunction()
abstract java.util.List	getValuesForLOBUpdateParameters(BatchQuery query)
protected boolean	isUpdateableColumn(java.lang.Object value, int type)
void	setNewBlobFunction(java.lang.String string)
void	setNewClobFunction(java.lang.String string)

Methods inherited from class org.apache.cayenne.access.trans.BatchQueryBuilder

appendDbAttribute, bindParameters, createSqlString, getAdapter, getParameterValues, getTrimFunction, setAdapter, setTrimFunction

Methods inherited from class java.lang.Object

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

Field Detail

newClobFunction

protected java.lang.String newClobFunction

newBlobFunction

protected java.lang.String newBlobFunction

Constructor Detail

LOBBatchQueryBuilder

public LOBBatchQueryBuilder(DbAdapter adapter)

Method Detail

getValuesForLOBUpdateParameters

public abstract java.util.List getValuesForLOBUpdateParameters(BatchQuery query)

createLOBSelectString

public java.lang.String createLOBSelectString(BatchQuery updateQuery,
                                              java.util.List selectedLOBAttributes,
                                              java.util.List qualifierAttributes)

appendUpdatedParameter

protected void appendUpdatedParameter(java.lang.StringBuffer buf,
                                      DbAttribute dbAttribute,
                                      java.lang.Object value)

Appends parameter placeholder for the value of the column being updated. If requested, performs special handling on LOB columns.

bindParameters

public void bindParameters(java.sql.PreparedStatement statement,
                           BatchQuery query)
                    throws java.sql.SQLException,
                           java.lang.Exception

Binds BatchQuery parameters to the PreparedStatement.

Overrides:

bindParameters in class BatchQueryBuilder

Throws:

java.sql.SQLException

java.lang.Exception

isUpdateableColumn

protected boolean isUpdateableColumn(java.lang.Object value,
                                     int type)

getNewBlobFunction

public java.lang.String getNewBlobFunction()

getNewClobFunction

public java.lang.String getNewClobFunction()

setNewBlobFunction

public void setNewBlobFunction(java.lang.String string)

setNewClobFunction

public void setNewClobFunction(java.lang.String string)