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* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
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*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
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package org.apache.cayenne.dba.oracle;
import org.apache.cayenne.dba.DbAdapter;
import org.apache.cayenne.dba.QuotingStrategy;
import org.apache.cayenne.map.DbAttribute;
import org.apache.cayenne.query.BatchQueryRow;
import org.apache.cayenne.query.UpdateBatchQuery;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
class Oracle8LOBUpdateBatchTranslator extends Oracle8LOBBatchTranslator {
Oracle8LOBUpdateBatchTranslator(UpdateBatchQuery query, DbAdapter adapter, String trimFunction) {
super(query, adapter, trimFunction);
}
@Override
List<Object> getValuesForLOBUpdateParameters(BatchQueryRow row) {
int len = query.getDbAttributes().size();
UpdateBatchQuery updateBatch = (UpdateBatchQuery) query;
List<Object> values = new ArrayList<>(len);
List<DbAttribute> qualifierAttributes = updateBatch.getQualifierAttributes();
List<DbAttribute> updatedDbAttributes = updateBatch.getUpdatedAttributes();
int updatedLen = updatedDbAttributes.size();
int qualifierLen = qualifierAttributes.size();
for (int i = 0; i < updatedLen; i++) {
DbAttribute attribute = updatedDbAttributes.get(i);
Object value = row.getValue(i);
if (isUpdateableColumn(value, attribute.getType())) {
values.add(value);
}
}
for (int i = 0; i < qualifierLen; i++) {
values.add(row.getValue(updatedLen + i));
}
return values;
}
@Override
public String createSql(BatchQueryRow row) {
UpdateBatchQuery updateBatch = (UpdateBatchQuery) query;
List<DbAttribute> idDbAttributes = updateBatch.getQualifierAttributes();
List<DbAttribute> updatedDbAttributes = updateBatch.getUpdatedAttributes();
QuotingStrategy strategy = adapter.getQuotingStrategy();
StringBuilder buffer = new StringBuilder("UPDATE ");
buffer.append(strategy.quotedFullyQualifiedName(query.getDbEntity()));
buffer.append(" SET ");
int len = updatedDbAttributes.size();
for (int i = 0; i < len; i++) {
if (i > 0) {
buffer.append(", ");
}
DbAttribute attribute = updatedDbAttributes.get(i);
buffer.append(strategy.quotedName(attribute));
buffer.append(" = ");
appendUpdatedParameter(buffer, attribute, row.getValue(i));
}
buffer.append(" WHERE ");
Iterator<DbAttribute> i = idDbAttributes.iterator();
while (i.hasNext()) {
DbAttribute attribute = i.next();
appendDbAttribute(buffer, attribute);
buffer.append(" = ?");
if (i.hasNext()) {
buffer.append(" AND ");
}
}
return buffer.toString();
}
}