1 files changed, 99 insertions, 0 deletions
diff --git a/sli/provider-base/src/main/java/org/onap/ccsdk/sli/core/sli/provider/base/GetResourceNodeExecutor.java b/sli/provider-base/src/main/java/org/onap/ccsdk/sli/core/sli/provider/base/GetResourceNodeExecutor.java
new file mode 100644
index 00000000..a2f1c63d
--- /dev/null
+++ b/sli/provider-base/src/main/java/org/onap/ccsdk/sli/core/sli/provider/base/GetResourceNodeExecutor.java
@@ -0,0 +1,99 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP : CCSDK
+ * ================================================================================
+ * 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.ccsdk.sli.core.sli.provider.base;
+
+import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
+import org.onap.ccsdk.sli.core.sli.SvcLogicException;
+import org.onap.ccsdk.sli.core.sli.SvcLogicExpression;
+import org.onap.ccsdk.sli.core.sli.SvcLogicNode;
+import org.onap.ccsdk.sli.core.sli.SvcLogicResource;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class GetResourceNodeExecutor extends AbstractSvcLogicNodeExecutor {
+
+    private static final Logger LOG = LoggerFactory.getLogger(GetResourceNodeExecutor.class);
+
+    public SvcLogicNode execute(SvcLogicServiceBase svc, SvcLogicNode node, SvcLogicContext ctx)
+            throws SvcLogicException {
+
+        String plugin = SvcLogicExpressionResolver.evaluate(node.getAttribute("plugin"), node, ctx);
+        String resourceType = SvcLogicExpressionResolver.evaluate(node.getAttribute("resource"), node, ctx);
+        String key = SvcLogicExpressionResolver.evaluateAsKey(node.getAttribute("key"), node, ctx);
+        String pfx = SvcLogicExpressionResolver.evaluate(node.getAttribute("pfx"), node, ctx);
+
+        String localOnlyStr = SvcLogicExpressionResolver.evaluate(node.getAttribute("local-only"), node, ctx);
+
+        // Note: for get-resource, only refresh from A&AI if the DG explicitly set
+        // local-only to false. Otherwise, just read from local database.
+        boolean localOnly = true;
+
+        if ("false".equalsIgnoreCase(localOnlyStr)) {
+            localOnly = false;
+        }
+
+        SvcLogicExpression selectExpr = node.getAttribute("select");
+        String select = null;
+
+        if (selectExpr != null) {
+            select = SvcLogicExpressionResolver.evaluateAsKey(selectExpr, node, ctx);
+        }
+
+        SvcLogicExpression orderByExpr = node.getAttribute("order-by");
+        String orderBy = null;
+
+        if (orderByExpr != null) {
+            orderBy = SvcLogicExpressionResolver.evaluateAsKey(orderByExpr, node, ctx);
+        }
+
+        String outValue = "failure";
+
+        if (LOG.isDebugEnabled()) {
+            LOG.debug(node.getNodeType() + " node encountered - looking for resource class " + plugin);
+        }
+
+        SvcLogicResource resourcePlugin = getSvcLogicResource(plugin);
+
+        if (resourcePlugin != null) {
+            try {
+                switch (resourcePlugin.query(resourceType, localOnly, select, key, pfx, orderBy, ctx)) {
+                    case SUCCESS:
+                        outValue = "success";
+                        break;
+                    case NOT_FOUND:
+                        outValue = "not-found";
+                        break;
+                    case FAILURE:
+                    default:
+                        outValue = "failure";
+                }
+            } catch (SvcLogicException e) {
+                LOG.error("Caught exception from resource plugin", e);
+                outValue = "failure";
+            }
+        } else {
+            LOG.warn("Could not find SvcLogicResource object for plugin " + plugin);
+        }
+        return (getNextNode(node, outValue));
+    }
+
+}