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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,
* software distributed under the License is distributed on an
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package org.apache.cayenne.merge;
import java.util.Collection;
import java.util.HashSet;
import java.util.Set;
import org.apache.cayenne.map.DbAttribute;
import org.apache.cayenne.map.DbEntity;
import org.apache.cayenne.map.event.AttributeEvent;
public class SetPrimaryKeyToModel extends AbstractToModelToken.Entity {
private Collection<DbAttribute> primaryKeyOriginal;
private Collection<DbAttribute> primaryKeyNew;
private String detectedPrimaryKeyName;
private Set<String> primaryKeyNewAttributeNames = new HashSet<String>();
public SetPrimaryKeyToModel(DbEntity entity,
Collection<DbAttribute> primaryKeyOriginal,
Collection<DbAttribute> primaryKeyNew, String detectedPrimaryKeyName) {
super(entity);
this.primaryKeyOriginal = primaryKeyOriginal;
this.primaryKeyNew = primaryKeyNew;
this.detectedPrimaryKeyName = detectedPrimaryKeyName;
for (DbAttribute attr : primaryKeyNew) {
primaryKeyNewAttributeNames.add(attr.getName().toUpperCase());
}
}
public MergerToken createReverse(MergerFactory factory) {
return factory.createSetPrimaryKeyToDb(
getEntity(),
primaryKeyNew,
primaryKeyOriginal,
detectedPrimaryKeyName);
}
public void execute(MergerContext mergerContext) {
DbEntity e = getEntity();
for (DbAttribute attr : e.getAttributes()) {
boolean wasPrimaryKey = attr.isPrimaryKey();
boolean willBePrimaryKey = primaryKeyNewAttributeNames.contains(attr
.getName()
.toUpperCase());
if (wasPrimaryKey != willBePrimaryKey) {
attr.setPrimaryKey(willBePrimaryKey);
e.dbAttributeChanged(new AttributeEvent(this, attr, e));
mergerContext.getModelMergeDelegate().dbAttributeModified(attr);
}
}
}
public String getTokenName() {
return "Set Primary Key";
}
}