/*
* Copyright 2016 MongoDB, Inc.
*
* 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 com.mongodb.operation;
import com.mongodb.MongoWriteConcernException;
import com.mongodb.ServerAddress;
import com.mongodb.WriteConcern;
import com.mongodb.WriteConcernResult;
import com.mongodb.bulk.WriteConcernError;
import com.mongodb.connection.ConnectionDescription;
import com.mongodb.operation.CommandOperationHelper.CommandTransformer;
import org.bson.BsonDocument;
import static com.mongodb.operation.OperationHelper.serverIsAtLeastVersionThreeDotFour;
final class WriteConcernHelper {
static void appendWriteConcernToCommand(final WriteConcern writeConcern, final BsonDocument commandDocument,
final ConnectionDescription description) {
if (writeConcern != null && !writeConcern.isServerDefault() && serverIsAtLeastVersionThreeDotFour(description)) {
commandDocument.put("writeConcern", writeConcern.asDocument());
}
}
static CommandTransformer<BsonDocument, Void> writeConcernErrorTransformer() {
return new CommandTransformer<BsonDocument, Void>() {
@Override
public Void apply(final BsonDocument result, final ServerAddress serverAddress) {
throwOnWriteConcernError(result, serverAddress);
return null;
}
};
}
static void throwOnWriteConcernError(final BsonDocument result, final ServerAddress serverAddress) {
if (hasWriteConcernError(result)) {
throw createWriteConcernError(result, serverAddress); }
}
static boolean hasWriteConcernError(final BsonDocument result) {
return result.containsKey("writeConcernError");
}
static MongoWriteConcernException createWriteConcernError(final BsonDocument result, final ServerAddress serverAddress) {
return new MongoWriteConcernException(createWriteConcernError(result.getDocument("writeConcernError")),
WriteConcernResult.acknowledged(0, false, null), serverAddress);
}
static WriteConcernError createWriteConcernError(final BsonDocument writeConcernErrorDocument) {
return new WriteConcernError(writeConcernErrorDocument.getNumber("code").intValue(),
writeConcernErrorDocument.getString("errmsg").getValue(),
writeConcernErrorDocument.getDocument("errInfo", new BsonDocument()));
}
private WriteConcernHelper() {
}
}