1 files changed, 175 insertions, 0 deletions
diff --git a/graph-inventory/aai-client/src/main/java/org/onap/aaiclient/client/aai/AAISingleTransactionClient.java b/graph-inventory/aai-client/src/main/java/org/onap/aaiclient/client/aai/AAISingleTransactionClient.java
new file mode 100644
index 0000000000..8df505e979
--- /dev/null
+++ b/graph-inventory/aai-client/src/main/java/org/onap/aaiclient/client/aai/AAISingleTransactionClient.java
@@ -0,0 +1,175 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2017 - 2018 AT&T Intellectual Property. 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=========================================================
+ */
+
+package org.onap.aaiclient.client.aai;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Optional;
+import javax.ws.rs.core.GenericType;
+import org.onap.so.client.RestClient;
+import org.onap.aaiclient.client.aai.entities.AAIEdgeLabel;
+import org.onap.aaiclient.client.aai.entities.AAIError;
+import org.onap.aaiclient.client.aai.entities.singletransaction.OperationBodyRequest;
+import org.onap.aaiclient.client.aai.entities.singletransaction.OperationBodyResponse;
+import org.onap.aaiclient.client.aai.entities.singletransaction.SingleTransactionRequest;
+import org.onap.aaiclient.client.aai.entities.singletransaction.SingleTransactionResponse;
+import org.onap.aaiclient.client.aai.entities.uri.AAIBaseResourceUri;
+import org.onap.aaiclient.client.aai.entities.uri.AAIResourceUri;
+import org.onap.aaiclient.client.aai.entities.uri.AAIUriFactory;
+import org.onap.aaiclient.client.graphinventory.GraphInventoryPatchConverter;
+import org.onap.aaiclient.client.graphinventory.GraphInventoryTransactionClient;
+import org.onap.aaiclient.client.graphinventory.exceptions.BulkProcessFailed;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.google.common.base.Joiner;
+
+public class AAISingleTransactionClient extends
+        GraphInventoryTransactionClient<AAISingleTransactionClient, AAIBaseResourceUri<?, ?>, AAIResourceUri, AAIEdgeLabel> {
+
+    private final SingleTransactionRequest request;
+    private AAIResourcesClient resourcesClient;
+    private AAIClient aaiClient;
+
+    protected AAISingleTransactionClient(AAIResourcesClient resourcesClient, AAIClient aaiClient) {
+        super();
+        this.resourcesClient = resourcesClient;
+        this.aaiClient = aaiClient;
+        this.request = new SingleTransactionRequest();
+    }
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see org.onap.aaiclient.client.aai.GraphInventoryTransactionClient#execute()
+     */
+    @Override
+    public void execute() throws BulkProcessFailed {
+        try {
+            if (!this.request.getOperations().isEmpty()) {
+                RestClient client =
+                        aaiClient.createClient(AAIUriFactory.createResourceUri(AAIObjectType.SINGLE_TRANSACTION));
+                SingleTransactionResponse response = client.post(this.request, SingleTransactionResponse.class);
+                if (response != null) {
+                    final Optional<String> errorMessage = this.locateErrorMessages(response);
+                    if (errorMessage.isPresent()) {
+                        throw new BulkProcessFailed(
+                                "One or more transactions failed in A&AI. Check logs for payloads.\nMessages:\n"
+                                        + errorMessage.get());
+                    }
+                } else {
+                    throw new BulkProcessFailed(
+                            "Transactions acccepted by A&AI, but there was no response. Unsure of result.");
+                }
+            }
+        } finally {
+            this.request.getOperations().clear();
+            this.actionCount = 0;
+        }
+    }
+
+    @Override
+    public void execute(boolean dryRun) throws BulkProcessFailed {
+        final ObjectMapper mapper = new ObjectMapper();
+        if (dryRun) {
+            try {
+                if (logger.isDebugEnabled()) {
+                    logger.debug("Would execute: {}", mapper.writeValueAsString(this.request));
+                }
+            } catch (JsonProcessingException e) {
+                logger.debug("Could not format request to JSON", e);
+            }
+        } else {
+            this.execute();
+        }
+    }
+
+    protected Optional<String> locateErrorMessages(SingleTransactionResponse response) {
+        final List<String> errorMessages = new ArrayList<>();
+        final ObjectMapper mapper = new ObjectMapper();
+
+        for (OperationBodyResponse body : response.getOperationResponses()) {
+            if (Optional.ofNullable(body.getResponseStatusCode()).orElse(400) > 300) {
+                AAIError error;
+                try {
+                    error = mapper.readValue(mapper.writeValueAsString(body.getResponseBody()), AAIError.class);
+                } catch (IOException e) {
+                    logger.error("could not parse error object from A&AI", e);
+                    error = new AAIError();
+                }
+                AAIErrorFormatter formatter = new AAIErrorFormatter(error);
+                String outputMessage = formatter.getMessage();
+                errorMessages.add(outputMessage);
+            }
+        }
+
+        if (!errorMessages.isEmpty()) {
+            return Optional.of(Joiner.on("\n").join(errorMessages));
+        } else {
+            return Optional.empty();
+        }
+    }
+
+    protected SingleTransactionRequest getRequest() {
+        return this.request;
+    }
+
+    @Override
+    protected void put(String uri, Object body) {
+        request.getOperations().add(new OperationBodyRequest().withAction("put").withUri(uri).withBody(body));
+    }
+
+    @Override
+    protected void delete(String uri) {
+        request.getOperations()
+                .add(new OperationBodyRequest().withAction("delete").withUri(uri).withBody(new Object()));
+    }
+
+    @Override
+    protected void delete(String uri, Object obj) {
+        request.getOperations().add(new OperationBodyRequest().withAction("delete").withUri(uri).withBody(obj));
+    }
+
+    @Override
+    protected void patch(String uri, Object body) {
+        request.getOperations().add(new OperationBodyRequest().withAction("patch").withUri(uri).withBody(body));
+    }
+
+    @Override
+    protected <T> Optional<T> get(GenericType<T> genericType, AAIBaseResourceUri<?, ?> clone) {
+        return resourcesClient.get(genericType, clone);
+    }
+
+    @Override
+    protected boolean exists(AAIBaseResourceUri<?, ?> uri) {
+        return resourcesClient.exists(uri);
+    }
+
+    @Override
+    protected String getGraphDBName() {
+        return aaiClient.getGraphDBName();
+    }
+
+    @Override
+    protected GraphInventoryPatchConverter getPatchConverter() {
+        return this.patchConverter;
+    }
+}