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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
*
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package org.apache.cayenne.configuration.server;
import org.apache.cayenne.access.DataDomain;
import org.apache.cayenne.access.DataNode;
import org.apache.cayenne.configuration.DataChannelDescriptor;
import org.apache.cayenne.configuration.DataNodeDescriptor;
import org.apache.cayenne.map.DataMap;
/**
* @since 4.0
*/
class SyntheticNodeDataDomainProvider extends DataDomainProvider {
@Override
protected DataDomain createAndInitDataDomain() throws Exception {
DataDomain dataDomain = super.createAndInitDataDomain();
// no nodes... add a synthetic node... it will become the default
if (dataDomain.getDataNodes().isEmpty()) {
DataChannelDescriptor channelDescriptor = new DataChannelDescriptor();
DataNodeDescriptor nodeDescriptor = new DataNodeDescriptor(createSyntheticDataNodeName(dataDomain));
for (DataMap map : dataDomain.getDataMaps()) {
nodeDescriptor.getDataMapNames().add(map.getName());
}
nodeDescriptor.setDataChannelDescriptor(channelDescriptor);
DataNode node = addDataNode(dataDomain, nodeDescriptor);
dataDomain.setDefaultNode(node);
}
return dataDomain;
}
protected String createSyntheticDataNodeName(DataDomain domain) {
// using Domain's name for the node name.. distinguishing nodes by name
// may be useful in case of multiple stacks used in the same
// transaction...
return domain.getName() != null ? domain.getName() : ServerRuntimeBuilder.DEFAULT_NAME;
}
}