Creating datafile

[nonrtric/plt/ranpm.git] / datafilecollector / src / main / java / org / onap / dcaegen2 / collectors / datafile / datastore / DataStore.java

diff --git a/datafilecollector/src/main/java/org/onap/dcaegen2/collectors/datafile/datastore/DataStore.java b/datafilecollector/src/main/java/org/onap/dcaegen2/collectors/datafile/datastore/DataStore.java
new file mode 100644 (file)
index 0000000..af0512e
--- /dev/null
+++ b/datafilecollector/src/main/java/org/onap/dcaegen2/collectors/datafile/datastore/DataStore.java
@@ -0,0 +1,57 @@
+/*-
+ * ========================LICENSE_START=================================
+ * O-RAN-SC
+ * %%
+ * Copyright (C) 2021 Nordix Foundation
+ * %%
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ========================LICENSE_END===================================
+ */
+
+package org.onap.dcaegen2.collectors.datafile.datastore;
+
+import java.nio.file.Path;
+
+import org.onap.dcaegen2.collectors.datafile.configuration.AppConfig;
+
+import reactor.core.publisher.Flux;
+import reactor.core.publisher.Mono;
+
+public interface DataStore {
+    public enum Bucket {
+        FILES, LOCKS
+    }
+
+    public Flux<String> listObjects(Bucket bucket, String prefix);
+
+    public Mono<byte[]> readObject(Bucket bucket, String name);
+
+    public Mono<Boolean> createLock(String name);
+
+    public Mono<Boolean> deleteLock(String name);
+
+    public Mono<Boolean> deleteObject(Bucket bucket, String name);
+
+    public Mono<String> copyFileTo(Path from, String to);
+
+    public Mono<String> create(DataStore.Bucket bucket);
+
+    public Mono<String> deleteBucket(Bucket bucket);
+
+    public Mono<Boolean> fileExists(Bucket bucket, String key);
+
+    public static DataStore create(AppConfig config) {
+        return config.isS3Enabled() ? new S3ObjectStore(config) : new FileStore(config);
+    }
+
+}