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Cayenne Object Persistence Framework
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* distributed with this work for additional information
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* to you under the Apache License, Version 2.0 (the
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* http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.cayenne.access.trans;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.apache.cayenne.dba.DbAdapter;
import org.apache.cayenne.map.DbAttribute;
import org.apache.cayenne.query.BatchQuery;
/**
* @author Andrei Adamchik
*/
public class LOBInsertBatchQueryBuilder extends LOBBatchQueryBuilder {
public LOBInsertBatchQueryBuilder(DbAdapter adapter) {
super(adapter);
}
public List getValuesForLOBUpdateParameters(BatchQuery query) {
List dbAttributes = query.getDbAttributes();
int len = dbAttributes.size();
List values = new ArrayList(len);
for (int i = 0; i < len; i++) {
Object value = query.getValue(i);
DbAttribute attribute = (DbAttribute) dbAttributes.get(i);
if (isUpdateableColumn(value, attribute.getType())) {
values.add(value);
}
}
return values;
}
public String createSqlString(BatchQuery batch) {
String table = batch.getDbEntity().getFullyQualifiedName();
List dbAttributes = batch.getDbAttributes();
StringBuffer query = new StringBuffer("INSERT INTO ");
query.append(table).append(" (");
for (Iterator i = dbAttributes.iterator(); i.hasNext();) {
DbAttribute attribute = (DbAttribute) i.next();
query.append(attribute.getName());
if (i.hasNext()) {
query.append(", ");
}
}
query.append(") VALUES (");
for (int i = 0; i < dbAttributes.size(); i++) {
if (i > 0) {
query.append(", ");
}
appendUpdatedParameter(
query,
(DbAttribute) dbAttributes.get(i),
batch.getValue(i));
}
query.append(')');
return query.toString();
}
}
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