/*
* Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.com
* The software in this package is published under the terms of the CPAL v1.0
* license, a copy of which has been included with this distribution in the
* LICENSE.txt file.
*/
package org.mule.module.db.internal.metadata;
import org.mule.common.DefaultResult;
import org.mule.common.Result;
import org.mule.common.metadata.DefaultListMetaDataModel;
import org.mule.common.metadata.DefaultMetaData;
import org.mule.common.metadata.DefaultParameterizedMapMetaDataModel;
import org.mule.common.metadata.DefaultPojoMetaDataModel;
import org.mule.common.metadata.DefaultSimpleMetaDataModel;
import org.mule.common.metadata.MetaData;
import org.mule.common.metadata.MetaDataModel;
import org.mule.common.metadata.datatype.DataType;
import org.mule.module.db.internal.domain.autogeneratedkey.AutoGeneratedKeyStrategy;
import org.mule.module.db.internal.domain.query.Query;
import org.mule.module.db.internal.resolver.database.DbConfigResolver;
import java.sql.PreparedStatement;
/**
* Provides metadata for update/insert/delete queries
*/
public class UpdateMetadataProvider extends AbstractQueryMetadataProvider
{
private final AutoGeneratedKeyStrategy autoGeneratedKeyStrategy;
public UpdateMetadataProvider(DbConfigResolver dbConfigResolver, Query query, AutoGeneratedKeyStrategy autoGeneratedKeyStrategy)
{
super(dbConfigResolver, query);
this.autoGeneratedKeyStrategy = autoGeneratedKeyStrategy;
}
@Override
public Result<MetaData> getStaticOutputMetadata()
{
DefaultMetaData defaultMetaData;
if (autoGeneratedKeyStrategy != null && autoGeneratedKeyStrategy.returnsAutoGeneratedKeys())
{
MetaDataModel recordModel = new DefaultParameterizedMapMetaDataModel(new DefaultSimpleMetaDataModel(DataType.STRING), new DefaultPojoMetaDataModel(Object.class));
DefaultListMetaDataModel listModel = new DefaultListMetaDataModel(recordModel);
defaultMetaData = new DefaultMetaData(listModel);
}
else
{
DefaultSimpleMetaDataModel updateCountModel = new DefaultSimpleMetaDataModel(DataType.DOUBLE);
defaultMetaData = new DefaultMetaData(updateCountModel);
}
return new DefaultResult<MetaData>(defaultMetaData);
}
@Override
public Result<MetaData> getDynamicOutputMetadata(PreparedStatement statement)
{
return getStaticOutputMetadata();
}
}