notify_postgres       publish bucket notifications to Postgres databases
notify_elasticsearch  publish bucket notifications to Elasticsearch endpoints
notify_redis          publish bucket notifications to Redis datastores
```

### Accessing configuration

All configuration changes can be made using [`mc admin config` get/set/reset/export/import commands](https://github.com/minio/mc/blob/master/docs/minio-admin-complete-guide.md).

			MultipleTargets: true,
		},
		config.HelpKV{
			Key:             config.NotifyRedisSubSys,
			Description:     "publish bucket notifications to Redis datastores",
			MultipleTargets: true,
		},
		config.HelpKV{
			Key:             config.LambdaWebhookSubSys,
			Description:     "manage remote lambda functions",
			MultipleTargets: true,
		},
		config.HelpKV{

notify_postgres       publish bucket notifications to Postgres databases
notify_elasticsearch  publish bucket notifications to Elasticsearch endpoints
notify_redis          publish bucket notifications to Redis datastores
```

> NOTE:
>
> - '\*' at the end of arg means its mandatory.
> - '\*' at the end of the values, means its the default value for the arg.

    public void test_multipleDataStores() {
        TestDataStore dataStore1 = new TestDataStore("Store1");
        TestDataStore2 dataStore2 = new TestDataStore2("Store2");

        dataStoreFactory.add("store1", dataStore1);
        dataStoreFactory.add("store2", dataStore2);

        assertSame(dataStore1, dataStoreFactory.getDataStore("store1"));
        assertSame(dataStore2, dataStoreFactory.getDataStore("store2"));

        IndexUpdateCallback callback = new TestIndexUpdateCallback();

        // Execute on both instances
        dataStore1.store(config, callback, params);
        dataStore2.store(config, callback, params);
        dataStore2.store(config, callback, params);

        // Verify independent operation
        assertEquals(1, store1CallCount.get());

import org.codelibs.fess.ds.callback.IndexUpdateCallback;
import org.codelibs.fess.entity.DataStoreParams;
import org.codelibs.fess.opensearch.config.exentity.DataConfig;

/**
 * The interface for DataStore.
 */
public interface DataStore {

    /**
     * Store the data.
     * @param config The data configuration.
     * @param callback The callback.
     * @param initParamMap The initial parameters.
     */

     * @param dataStore the data store instance to register, must not be null
     * @throws IllegalArgumentException if either name or dataStore is null
     */
    public void add(final String name, final DataStore dataStore) {
        if (name == null || dataStore == null) {
            throw new IllegalArgumentException(

        assertEquals("123PARAM2+,PARAM3*abc", dataStore.convertValue(Constants.DEFAULT_SCRIPT, value, paramMap));

        value = null;
        assertEquals("", dataStore.convertValue(Constants.DEFAULT_SCRIPT, value, paramMap));

        value = "";
        assertEquals("", dataStore.convertValue(Constants.DEFAULT_SCRIPT, value, paramMap));

        value = " ";

            dataStore = dataStoreFactory.getDataStore(dataConfig.getHandlerName());
            if (dataStore == null) {
                logger.error("DataStore({}) is not found.", dataConfig.getHandlerName());
            } else {
                try {
                    dataStore.store(dataConfig, indexUpdateCallback, initParamMap);

        assertEquals("fess-ds-atlassian", artifact.getName());
        assertEquals("13.2.0", artifact.getVersion());
    }

    @Test
    public void test_getArtifactFromFileName2() {
        Artifact artifact = pluginHelper.getArtifactFromFileName(ArtifactType.DATA_STORE, "fess-ds-atlassian-13.2.1-20190708.212247-1.jar");