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The Java operations layer for the MongoDB Java Driver.
Third parties can wrap this layer to provide custom higher-level APIs
/*
* Copyright 2008-present 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.client.model;
import org.bson.BsonDocument;
import org.bson.BsonDocumentWriter;
import org.bson.codecs.configuration.CodecRegistry;
import org.bson.conversions.Bson;
class SimpleExpression implements Bson {
private final String name;
private final TExpression expression;
SimpleExpression(final String name, final TExpression expression) {
this.name = name;
this.expression = expression;
}
@Override
public BsonDocument toBsonDocument(final Class documentClass, final CodecRegistry codecRegistry) {
BsonDocumentWriter writer = new BsonDocumentWriter(new BsonDocument());
writer.writeStartDocument();
writer.writeName(name);
BuildersHelper.encodeValue(writer, expression, codecRegistry);
writer.writeEndDocument();
return writer.getDocument();
}
@Override
public String toString() {
return "Expression{"
+ "name='" + name + '\''
+ ", expression=" + expression
+ '}';
}
}