/*
* Copyright 2011 Objectos, Fábrica de Software LTDA.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* 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 "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package br.com.objectos.way.relational;
import java.sql.SQLException;
import br.com.objectos.way.relational.Transactions.AtomicInsertOperation;
import br.com.objectos.way.relational.Transactions.AtomicUpdateOperation;
import br.com.objectos.way.relational.Transactions.Update;
import com.google.inject.Inject;
/**
* @author marcio.endo@objectos.com.br (Marcio Endo)
*/
class AtomicMergeGuice implements AtomicMerge {
private final Transactions transactions;
@Inject
public AtomicMergeGuice(Transactions transactions) {
this.transactions = transactions;
}
@Override
public void insert(AtomicInsertOperation operation) {
try {
transactions.execute(operation);
} catch (TransactionRolledbackException e) {
throw new InsertOperationException("Could not insert one or more entities. "
+ "More info below.", e);
}
}
@Override
public <I extends Insertable> I insert(final I entity) {
AtomicInsertOperation operation = new AtomicInsertOperation() {
@Override
public void execute(Insertion insertion) throws SQLException {
insertion.of(entity);
}
};
insert(operation);
return entity;
}
@Override
public <T extends Insertable> T update(AtomicUpdateOperation<T> operation) {
try {
return transactions.executeUpdate(operation);
} catch (TransactionRolledbackException e) {
throw new UpdateOperationException("Could not update one or more entities. "
+ "More info below.", e);
}
}
@Override
public <I extends Insertable> UpdateBuilder<I> update(final I entity) {
return new UpdateBuilder<I>() {
@Override
public I with(final PrimaryKey primaryKey) {
try {
return transactions.executeUpdate(new Transactions.AtomicUpdateOperation<I>() {
@Override
public I execute(Update update) throws SQLException {
update.of(primaryKey, entity);
return entity;
}
});
} catch (TransactionRolledbackException e) {
throw new UpdateOperationException("Could not update one or more entities. "
+ "More info below.", e);
}
}
};
}
}