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/*
 * 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;

// @deprecated Usage of this API is not supported in AEM as a Cloud Service.
@Deprecated(since = "2021-05-27")
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 boolean equals(final Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        SimpleExpression that = (SimpleExpression) o;
        if (name != null ? !name.equals(that.name) : that.name != null) {
            return false;
        }
        return expression != null ? expression.equals(that.expression) : that.expression == null;
    }

    @Override
    public int hashCode() {
        int result = name != null ? name.hashCode() : 0;
        result = 31 * result + (expression != null ? expression.hashCode() : 0);
        return result;
    }

    @Override
    public String toString() {
        return "Expression{" + "name='" + name + '\'' + ", expression=" + expression + '}';
    }
}