org.occurrent.subscription.mongodb.MongoResumeTokenSubscriptionPosition Maven / Gradle / Ivy
/*
* Copyright 2020 Johan Haleby
*
* 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 org.occurrent.subscription.mongodb;
import org.bson.BsonDocument;
import org.bson.BsonValue;
import org.bson.Document;
import org.occurrent.subscription.SubscriptionPosition;
import java.util.Objects;
import java.util.StringJoiner;
/**
* A {@link SubscriptionPosition} implementation for MongoDB that provides a resumeToken
* that consumers may decide which to use when continuing the stream.
*/
public class MongoResumeTokenSubscriptionPosition implements SubscriptionPosition {
public final BsonDocument resumeToken;
public MongoResumeTokenSubscriptionPosition(BsonDocument resumeToken) {
this.resumeToken = resumeToken;
}
public BsonValue getResumeToken() {
return resumeToken;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof MongoResumeTokenSubscriptionPosition)) return false;
MongoResumeTokenSubscriptionPosition that = (MongoResumeTokenSubscriptionPosition) o;
return Objects.equals(resumeToken, that.resumeToken);
}
@Override
public int hashCode() {
return Objects.hash(resumeToken);
}
@Override
public String toString() {
return new StringJoiner(", ", MongoResumeTokenSubscriptionPosition.class.getSimpleName() + "[", "]")
.add("resumeToken=" + resumeToken)
.toString();
}
@Override
public String asString() {
return new Document("resumeToken", resumeToken).toJson();
}
}