Java tutorial
/** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * 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 * 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 org.apache.metamodel.mongodb.mongo2; import org.apache.metamodel.MetaModelException; import org.apache.metamodel.insert.AbstractRowInsertionBuilder; import org.apache.metamodel.insert.RowInsertionBuilder; import org.apache.metamodel.schema.Column; import org.apache.metamodel.schema.Table; import org.slf4j.LoggerFactory; import org.slf4j.Logger; import com.mongodb.BasicDBObject; import com.mongodb.DBCollection; import com.mongodb.WriteConcern; import com.mongodb.WriteResult; final class MongoDbInsertionBuilder extends AbstractRowInsertionBuilder<MongoDbUpdateCallback> implements RowInsertionBuilder { private static final Logger logger = LoggerFactory.getLogger(MongoDbInsertionBuilder.class); public MongoDbInsertionBuilder(MongoDbUpdateCallback updateCallback, Table table) { super(updateCallback, table); } @Override public void execute() throws MetaModelException { final Column[] columns = getColumns(); final Object[] values = getValues(); final BasicDBObject doc = new BasicDBObject(); for (int i = 0; i < values.length; i++) { Object value = values[i]; if (value != null) { doc.put(columns[i].getName(), value); } } final MongoDbUpdateCallback updateCallback = getUpdateCallback(); final DBCollection collection = updateCallback.getCollection(getTable().getName()); final WriteConcern writeConcern = updateCallback.getWriteConcernAdvisor().adviceInsert(collection, doc); final WriteResult writeResult = collection.insert(doc, writeConcern); logger.info("Insert returned result: {}", writeResult); } }