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Fix ReplaceChangeLogLockStatement #582

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Fix ReplaceChangeLogLockStatement #582

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65 changes: 45 additions & 20 deletions src/main/java/liquibase/ext/mongodb/lockservice/ReplaceChangeLogLockStatement.java
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Original file line number Diff line number Diff line change
Expand Up @@ -20,25 +20,26 @@
* #L%
*/

import com.mongodb.MongoException;
import com.mongodb.client.model.Filters;
import com.mongodb.client.model.FindOneAndReplaceOptions;
import com.mongodb.client.model.ReturnDocument;
import liquibase.ext.mongodb.database.MongoLiquibaseDatabase;
import liquibase.ext.mongodb.statement.AbstractCollectionStatement;
import liquibase.nosql.statement.NoSqlUpdateStatement;
import lombok.Getter;
import org.bson.Document;
import org.bson.conversions.Bson;

import java.util.Date;
import java.util.Optional;

import static liquibase.ext.mongodb.statement.AbstractRunCommandStatement.SHELL_DB_PREFIX;

@Getter
public class ReplaceChangeLogLockStatement extends AbstractCollectionStatement
implements NoSqlUpdateStatement<MongoLiquibaseDatabase> {
implements NoSqlUpdateStatement<MongoLiquibaseDatabase> {

public static final String COMMAND_NAME = "updateLock";
private static final Integer DUPLICATE_KEY_ERROR_CODE = 11000;

private final boolean locked;

Expand All @@ -65,24 +66,48 @@ public String toJs() {

@Override
public int update(final MongoLiquibaseDatabase database) {

final MongoChangeLogLock entry = new MongoChangeLogLock(1, new Date()
, MongoChangeLogLock.formLockedBy(), locked);
final Document inputDocument = new MongoChangeLogLockToDocumentConverter().toDocument(entry);
inputDocument.put(MongoChangeLogLock.Fields.locked, locked);

long qtDocuments = database.getMongoDatabase().getCollection(collectionName).countDocuments();
boolean upsert = qtDocuments == 0;

final Optional<Document> changeLogLock = Optional.ofNullable(
database.getMongoDatabase()
.getCollection(collectionName)
.findOneAndReplace(Filters.eq(MongoChangeLogLock.Fields.id,
entry.getId()), inputDocument,
new FindOneAndReplaceOptions().upsert(upsert).returnDocument(ReturnDocument.AFTER))
final MongoChangeLogLock lock = new MongoChangeLogLock(
1,
new Date(),
MongoChangeLogLock.formLockedBy(),
locked
);
if (this.locked) {
return this.update(
database,
Filters.and(
Filters.eq(MongoChangeLogLock.Fields.id, lock.getId()),
Filters.eq(MongoChangeLogLock.Fields.locked, false)
),
lock
);
}
return this.update(
database,
Filters.and(
Filters.eq(MongoChangeLogLock.Fields.id, lock.getId()),
Filters.eq(MongoChangeLogLock.Fields.locked, true),
Filters.eq(MongoChangeLogLock.Fields.lockedBy, lock.getLockedBy())
),
lock
);
return changeLogLock.map(e -> 1).orElse(0);
}


private int update(final MongoLiquibaseDatabase database, final Bson filters, final MongoChangeLogLock lock) {
try {
database.getMongoDatabase()
.getCollection(collectionName)
.findOneAndReplace(
filters,
new MongoChangeLogLockToDocumentConverter().toDocument(lock),
new FindOneAndReplaceOptions().upsert(true).returnDocument(ReturnDocument.AFTER)
);
return 1;
} catch (MongoException e) {
if (e.getCode() == DUPLICATE_KEY_ERROR_CODE) {
return 0;
}
throw e;
}
}
}
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