
org.eobjects.metamodel.couchdb.CouchDbUpdateCallback Maven / Gradle / Ivy
/**
* eobjects.org MetaModel
* Copyright (C) 2010 eobjects.org
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.eobjects.metamodel.couchdb;
import java.io.Closeable;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.ektorp.CouchDbConnector;
import org.ektorp.CouchDbInstance;
import org.ektorp.DocumentOperationResult;
import org.eobjects.metamodel.AbstractUpdateCallback;
import org.eobjects.metamodel.MetaModelException;
import org.eobjects.metamodel.create.TableCreationBuilder;
import org.eobjects.metamodel.delete.RowDeletionBuilder;
import org.eobjects.metamodel.drop.TableDropBuilder;
import org.eobjects.metamodel.insert.RowInsertionBuilder;
import org.eobjects.metamodel.schema.Schema;
import org.eobjects.metamodel.schema.Table;
import org.eobjects.metamodel.update.RowUpdationBuilder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
final class CouchDbUpdateCallback extends AbstractUpdateCallback implements Closeable {
private static final Logger logger = LoggerFactory.getLogger(CouchDbUpdateCallback.class);
private final Map _connectors;
public CouchDbUpdateCallback(CouchDbDataContext couchDbDataContext) {
super(couchDbDataContext);
_connectors = new HashMap();
}
@Override
public CouchDbDataContext getDataContext() {
return (CouchDbDataContext) super.getDataContext();
}
@Override
public boolean isUpdateSupported() {
return true;
}
@Override
public RowUpdationBuilder update(Table table) throws IllegalArgumentException, IllegalStateException,
UnsupportedOperationException {
return new CouchDbRowUpdationBuilder(this, table);
}
@Override
public boolean isCreateTableSupported() {
return true;
}
@Override
public TableCreationBuilder createTable(Schema schema, String name) throws IllegalArgumentException,
IllegalStateException {
return new CouchDbTableCreationBuilder(this, schema, name);
}
@Override
public boolean isDropTableSupported() {
return true;
}
@Override
public TableDropBuilder dropTable(Table table) throws IllegalArgumentException, IllegalStateException,
UnsupportedOperationException {
return new CouchDbTableDropBuilder(this, table);
}
@Override
public RowInsertionBuilder insertInto(Table table) throws IllegalArgumentException, IllegalStateException,
UnsupportedOperationException {
return new CouchDbInsertionBuilder(this, table);
}
@Override
public boolean isDeleteSupported() {
return true;
}
@Override
public RowDeletionBuilder deleteFrom(Table table) throws IllegalArgumentException, IllegalStateException,
UnsupportedOperationException {
return new CouchDbRowDeletionBuilder(this, table);
}
@Override
public void close() {
Collection connectorSet = _connectors.values();
for (CouchDbConnector connector : connectorSet) {
List errornousResultsDescriptions = new ArrayList();
List results = connector.flushBulkBuffer();
for (DocumentOperationResult result : results) {
if (result.isErroneous()) {
String id = result.getId();
String error = result.getError();
String reason = result.getReason();
String revision = result.getRevision();
logger.error("Error occurred while flushing bulk buffer: {}, id: {}, revision: {}, reason: {}",
new Object[] { error, id, revision, reason });
errornousResultsDescriptions.add(error);
}
}
if (!errornousResultsDescriptions.isEmpty()) {
throw new MetaModelException(errornousResultsDescriptions.size() + " out of " + results.size()
+ " operations in bulk was errornous: " + errornousResultsDescriptions);
}
}
}
public CouchDbConnector getConnector(String name) {
CouchDbConnector connector = _connectors.get(name);
if (connector == null) {
CouchDbInstance instance = getDataContext().getCouchDbInstance();
connector = instance.createConnector(name, false);
_connectors.put(name, connector);
}
return connector;
}
}
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