1 files changed, 92 insertions, 0 deletions
diff --git a/src/main/java/org/openecomp/sparky/synchronizer/task/RetrieveOperationResultFromDisk.java b/src/main/java/org/openecomp/sparky/synchronizer/task/RetrieveOperationResultFromDisk.java
new file mode 100644
index 0000000..f69ce38
--- /dev/null
+++ b/src/main/java/org/openecomp/sparky/synchronizer/task/RetrieveOperationResultFromDisk.java
@@ -0,0 +1,92 @@
+/**
+ * ============LICENSE_START===================================================
+ * SPARKY (AAI UI service)
+ * ============================================================================
+ * Copyright © 2017 AT&T Intellectual Property.
+ * Copyright © 2017 Amdocs
+ * All rights reserved.
+ * ============================================================================
+ * 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=====================================================
+ *
+ * ECOMP and OpenECOMP are trademarks
+ * and service marks of AT&T Intellectual Property.
+ */
+
+package org.openecomp.sparky.synchronizer.task;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.function.Supplier;
+
+import org.openecomp.cl.api.Logger;
+import org.openecomp.sparky.dal.rest.OperationResult;
+import org.openecomp.sparky.logging.AaiUiMsgs;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+/**
+ * The Class RetrieveOperationResultFromDisk.
+ */
+public class RetrieveOperationResultFromDisk implements Supplier<OperationResult> {
+
+  private String fullPath;
+  private ObjectMapper mapper;
+  private Logger logger;
+
+  /**
+   * Instantiates a new retrieve operation result from disk.
+   *
+   * @param fullPath the full path
+   * @param mapper the mapper
+   * @param logger the logger
+   */
+  public RetrieveOperationResultFromDisk(String fullPath, ObjectMapper mapper, Logger logger) {
+
+    this.fullPath = fullPath;
+    this.mapper = mapper;
+    this.logger = logger;
+  }
+
+  /* (non-Javadoc)
+   * @see java.util.function.Supplier#get()
+   */
+  @Override
+  public OperationResult get() {
+
+    try {
+      File file = new File(fullPath);
+      if (file.exists()) {
+        if (logger.isDebugEnabled()) {
+          logger.debug(AaiUiMsgs.WILL_RETRIEVE_TXN, fullPath);
+        }
+
+        Path path = Paths.get(fullPath);
+        byte[] byteBuffer = Files.readAllBytes(path);
+
+        OperationResult opResult = mapper.readValue(byteBuffer, OperationResult.class);
+
+        return opResult;
+      } else {
+        logger.debug(AaiUiMsgs.FAILED_TO_RESTORE_TXN_FILE_MISSING, fullPath);
+      }
+    } catch (IOException exc) {
+      logger.error(AaiUiMsgs.DISK_CACHE_READ_IO_ERROR, exc.getLocalizedMessage());
+    }
+    return null;
+  }
+
+}