public String getType() {
        return this.type;
    }
<p>
The type of the data source.
</p>
<ul>
<li>
<p>
<b>AWS_LAMBDA</b>: The data source is an Lambda function.
</p>
</li>
<li>
<p>
<b>AMAZON_DYNAMODB</b>: The data source is an Amazon DynamoDB table.
</p>
</li>
<li>
<p>
<b>AMAZON_ELASTICSEARCH</b>: The data source is an Amazon OpenSearch Service domain.
</p>
</li>
<li>
<p>
<b>AMAZON_OPENSEARCH_SERVICE</b>: The data source is an Amazon OpenSearch Service domain.
</p>
</li>
<li>
<p>
<b>AMAZON_EVENTBRIDGE</b>: The data source is an Amazon EventBridge configuration.
</p>
</li>
<li>
<p>
<b>NONE</b>: There is no data source. Use this type when you want to invoke a GraphQL operation without
connecting to a data source, such as when you're performing data transformation with resolvers or invoking a
subscription from a mutation.
</p>
</li>
<li>
<p>
<b>HTTP</b>: The data source is an HTTP endpoint.
</p>
</li>
<li>
<p>
<b>RELATIONAL_DATABASE</b>: The data source is a relational database.
</p>
</li>
</ul>

@return The type of the data source.</p>
        <ul>
        <li>
        <p>
        <b>AWS_LAMBDA</b>: The data source is an Lambda function.
        </p>
        </li>
        <li>
        <p>
        <b>AMAZON_DYNAMODB</b>: The data source is an Amazon DynamoDB table.
        </p>
        </li>
        <li>
        <p>
        <b>AMAZON_ELASTICSEARCH</b>: The data source is an Amazon OpenSearch Service domain.
        </p>
        </li>
        <li>
        <p>
        <b>AMAZON_OPENSEARCH_SERVICE</b>: The data source is an Amazon OpenSearch Service domain.
        </p>
        </li>
        <li>
        <p>
        <b>AMAZON_EVENTBRIDGE</b>: The data source is an Amazon EventBridge configuration.
        </p>
        </li>
        <li>
        <p>
        <b>NONE</b>: There is no data source. Use this type when you want to invoke a GraphQL operation without
        connecting to a data source, such as when you're performing data transformation with resolvers or
        invoking a subscription from a mutation.
        </p>
        </li>
        <li>
        <p>
        <b>HTTP</b>: The data source is an HTTP endpoint.
        </p>
        </li>
        <li>
        <p>
        <b>RELATIONAL_DATABASE</b>: The data source is a relational database.
        </p>
        </li>
@see DataSourceType
aws-java-sdk-appsync/src/main/java/com/amazonaws/services/appsync/model/DataSource.java