public String getImportMode() {
        return this.importMode;
    }
<p>
Specify how to add the new records to an existing dataset. The default import mode is <code>FULL</code>. If you
haven't imported bulk records into the dataset previously, you can only specify <code>FULL</code>.
</p>
<ul>
<li>
<p>
Specify <code>FULL</code> to overwrite all existing bulk data in your dataset. Data you imported individually is
not replaced.
</p>
</li>
<li>
<p>
Specify <code>INCREMENTAL</code> to append the new records to the existing data in your dataset. Amazon
Personalize replaces any record with the same ID with the new one.
</p>
</li>
</ul>

@return Specify how to add the new records to an existing dataset. The default import mode is <code>FULL</code>.
        If you haven't imported bulk records into the dataset previously, you can only specify <code>FULL</code>
        .</p>
        <ul>
        <li>
        <p>
        Specify <code>FULL</code> to overwrite all existing bulk data in your dataset. Data you imported
        individually is not replaced.
        </p>
        </li>
        <li>
        <p>
        Specify <code>INCREMENTAL</code> to append the new records to the existing data in your dataset. Amazon
        Personalize replaces any record with the same ID with the new one.
        </p>
        </li>
@see ImportMode
aws-java-sdk-personalize/src/main/java/com/amazonaws/services/personalize/model/CreateDatasetImportJobRequest.java