1 files changed, 228 insertions, 0 deletions
diff --git a/graph-inventory/aai-client/src/main/java/org/onap/aaiclient/client/aai/AAITransactionalClient.java b/graph-inventory/aai-client/src/main/java/org/onap/aaiclient/client/aai/AAITransactionalClient.java
new file mode 100644
index 0000000000..66fa503487
--- /dev/null
+++ b/graph-inventory/aai-client/src/main/java/org/onap/aaiclient/client/aai/AAITransactionalClient.java
@@ -0,0 +1,228 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP - SO
+ * ================================================================================
+ * Copyright (C) 2017 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.Map;
+import java.util.Map.Entry;
+import java.util.Optional;
+import javax.ws.rs.core.GenericType;
+import javax.ws.rs.core.Response;
+import org.onap.aai.domain.yang.Relationship;
+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.bulkprocess.OperationBody;
+import org.onap.aaiclient.client.aai.entities.bulkprocess.Transaction;
+import org.onap.aaiclient.client.aai.entities.bulkprocess.Transactions;
+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 org.onap.so.jsonpath.JsonPathUtil;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.google.common.base.Joiner;
+
+public class AAITransactionalClient extends
+        GraphInventoryTransactionClient<AAITransactionalClient, AAIBaseResourceUri<?, ?>, AAIResourceUri, AAIEdgeLabel> {
+
+    private final Transactions transactions;
+    private Transaction currentTransaction;
+
+    private AAIResourcesClient resourcesClient;
+    private AAIClient aaiClient;
+
+    protected AAITransactionalClient(AAIResourcesClient resourcesClient, AAIClient aaiClient) {
+        super();
+        this.resourcesClient = resourcesClient;
+        this.aaiClient = aaiClient;
+        this.transactions = new Transactions();
+        startTransaction();
+    }
+
+    private void startTransaction() {
+        Transaction transaction = new Transaction();
+        transactions.getTransactions().add(transaction);
+        currentTransaction = transaction;
+    }
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see org.onap.aaiclient.client.aai.GraphInventoryTransactionalClient#beginNewTransaction()
+     */
+    public AAITransactionalClient beginNewTransaction() {
+        startTransaction();
+        return this;
+    }
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see org.onap.aaiclient.client.aai.GraphInventoryTransactionalClient#execute()
+     */
+    @Override
+    public void execute() throws BulkProcessFailed {
+        try {
+            if (!this.transactions.getTransactions().isEmpty()) {
+                RestClient client = aaiClient.createClient(AAIUriFactory.createResourceUri(AAIObjectType.BULK_PROCESS));
+                Response response = client.put(this.transactions);
+                if (response.hasEntity()) {
+                    final Optional<String> errorMessage = this.locateErrorMessages(response.readEntity(String.class));
+                    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.transactions.getTransactions().clear();
+            this.currentTransaction = null;
+            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.transactions));
+                }
+            } catch (JsonProcessingException e) {
+                logger.debug("Could not format request to JSON", e);
+            }
+        } else {
+            this.execute();
+        }
+    }
+
+    protected Optional<String> locateErrorMessages(String response) {
+        final List<String> errorMessages = new ArrayList<>();
+        final List<String> results = JsonPathUtil.getInstance().locateResultList(response, "$..body");
+        final ObjectMapper mapper = new ObjectMapper();
+        if (!results.isEmpty()) {
+            List<Map<String, Object>> parsed = new ArrayList<>();
+            try {
+                for (String result : results) {
+                    parsed.add(mapper.readValue(result, new TypeReference<Map<String, Object>>() {}));
+                }
+            } catch (IOException e) {
+                logger.error("could not map json", e);
+            }
+            for (Map<String, Object> map : parsed) {
+                for (Entry<String, Object> entry : map.entrySet()) {
+                    if (!entry.getKey().matches("2\\d\\d")) {
+                        AAIError error;
+                        try {
+                            error = mapper.readValue(entry.getValue().toString(), 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();
+                        logger.error("part of a bulk action failed in A&AI: " + entry.getValue());
+                        errorMessages.add(outputMessage);
+                    }
+                }
+            }
+        }
+
+        if (!errorMessages.isEmpty()) {
+            return Optional.of(Joiner.on("\n").join(errorMessages));
+        } else {
+            return Optional.empty();
+        }
+    }
+
+    private Relationship buildRelationship(AAIResourceUri uri) {
+        return buildRelationship(uri, Optional.empty());
+    }
+
+    private Relationship buildRelationship(AAIResourceUri uri, AAIEdgeLabel label) {
+        return buildRelationship(uri, Optional.of(label));
+    }
+
+    private Relationship buildRelationship(AAIResourceUri uri, Optional<AAIEdgeLabel> label) {
+        final Relationship result = new Relationship();
+        result.setRelatedLink(uri.build().toString());
+        if (label.isPresent()) {
+            result.setRelationshipLabel(label.toString());
+        }
+        return result;
+    }
+
+    protected Transactions getTransactions() {
+        return this.transactions;
+    }
+
+    @Override
+    protected void put(String uri, Object body) {
+        currentTransaction.getPut().add(new OperationBody().withUri(uri).withBody(body));
+    }
+
+    @Override
+    protected void delete(String uri) {
+        currentTransaction.getDelete().add(new OperationBody().withUri(uri).withBody(null));
+    }
+
+    @Override
+    protected void delete(String uri, Object obj) {
+        currentTransaction.getDelete().add(new OperationBody().withUri(uri).withBody(obj));
+    }
+
+    @Override
+    protected void patch(String uri, Object body) {
+        currentTransaction.getPatch().add(new OperationBody().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;
+    }
+}