Example usage for com.mongodb.client.model ValidationOptions ValidationOptions

Introduction

In this page you can find the example usage for com.mongodb.client.model ValidationOptions ValidationOptions.

Prototype

ValidationOptions

Source Link

Usage

From source file:org.flywaydb.core.internal.metadatatable.MongoMetaDataTable.java

License:Apache License

/**
 * Creates the metadata collection./*from w  w  w  . j a v a  2 s . c  om*/
 *
 * @param dbName  The database where this metadata collection will be created.
 */
private void createMetadataCollection(String dbName) {
    LOG.info("In MongoDB " + dbName + ", creating Metadata collection: " + collectionName);
    // Database types used in the metadata collection schema.
    BasicDBObject dbInt = new BasicDBObject("$type", "int");
    BasicDBObject dbString = new BasicDBObject("$type", "string");
    BasicDBObject dbBool = new BasicDBObject("$type", "bool");
    BasicDBObject dbDate = new BasicDBObject("$type", "date");
    BasicDBObject dbNull = new BasicDBObject("$type", "null");
    BasicDBObject checksumTypeInt = new BasicDBObject(MetaDataDocument.CHECKSUM, dbInt);
    BasicDBObject checksumTypeNull = new BasicDBObject(MetaDataDocument.CHECKSUM, dbNull);
    BasicDBObject[] checksumType = { checksumTypeInt, checksumTypeNull };
    BasicDBObject versionTypeString = new BasicDBObject(MetaDataDocument.VERSION, dbString);
    BasicDBObject versionTypeNull = new BasicDBObject(MetaDataDocument.VERSION, dbNull);
    BasicDBObject[] versionType = { versionTypeString, versionTypeNull };
    // Database object for setting a valid mongo schema.
    BasicDBObject validSchema = new BasicDBObject().append(MetaDataDocument.INSTALLED_RANK, dbInt)
            .append("$or", versionType).append(MetaDataDocument.DESCRIPTION, dbString)
            .append(MetaDataDocument.TYPE, dbString).append(MetaDataDocument.SCRIPT, dbString)
            .append("$or", checksumType).append(MetaDataDocument.INSTALLED_BY, dbString)
            .append(MetaDataDocument.INSTALLED_ON, dbDate).append(MetaDataDocument.EXECUTION_TIME, dbInt)
            .append(MetaDataDocument.SUCCESS, dbBool);
    ValidationOptions validator = new ValidationOptions().validator(validSchema)
            .validationLevel(ValidationLevel.STRICT);
    CreateCollectionOptions collectionOptions = new CreateCollectionOptions().validationOptions(validator);

    Boolean dbExists = MongoDatabaseUtil.exists(client, dbName);
    if (dbExists) {
        LOG.debug("Database " + dbName + " already exists. Skipping database creation.");
    } else {
        LOG.info("Creating Mongo database " + dbName + " ...");
    }
    mongoDatabase.createCollection(collectionName, collectionOptions);
    LOG.debug("Metadata collection " + collectionName + " created.");
    this.metadataCollection = mongoDatabase.getCollection(collectionName, BasicDBObject.class);
    if (!dbExists)
        addSchemaMarker();
}

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