1 files changed, 190 insertions, 0 deletions
diff --git a/sli/provider/src/main/java/org/openecomp/sdnc/sli/provider/SetNodeExecutor.java b/sli/provider/src/main/java/org/openecomp/sdnc/sli/provider/SetNodeExecutor.java
new file mode 100644
index 0000000..647340a
--- /dev/null
+++ b/sli/provider/src/main/java/org/openecomp/sdnc/sli/provider/SetNodeExecutor.java
@@ -0,0 +1,190 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * openECOMP : SDN-C
+ * ================================================================================
+ * 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.openecomp.sdnc.sli.provider;
+
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.LinkedList;
+import java.util.Map;
+import java.util.Set;
+
+import org.openecomp.sdnc.sli.SvcLogicContext;
+import org.openecomp.sdnc.sli.SvcLogicException;
+import org.openecomp.sdnc.sli.SvcLogicExpression;
+import org.openecomp.sdnc.sli.SvcLogicExpressionFactory;
+import org.openecomp.sdnc.sli.SvcLogicNode;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class SetNodeExecutor extends SvcLogicNodeExecutor {
+
+	private static final Logger LOG = LoggerFactory
+			.getLogger(SetNodeExecutor.class);
+
+	@Override
+	public SvcLogicNode execute(SvcLogicServiceImpl svc, SvcLogicNode node,
+			SvcLogicContext ctx) throws SvcLogicException {
+
+		String ifunsetStr = SvcLogicExpressionResolver.evaluate(
+				node.getAttribute("only-if-unset"), node, ctx);
+
+		boolean ifunset = "true".equalsIgnoreCase(ifunsetStr);
+
+		Set<Map.Entry<String, SvcLogicExpression>> parameterSet = node
+				.getParameterSet();
+
+		for (Iterator<Map.Entry<String, SvcLogicExpression>> iter = parameterSet
+				.iterator(); iter.hasNext();) {
+			Map.Entry<String, SvcLogicExpression> curEnt = iter.next();
+			String curName = curEnt.getKey();
+			String lhsVarName = curName;
+			
+			// Resolve LHS of assignment (could contain index variables)
+			try {
+				SvcLogicExpression lhsExpr = SvcLogicExpressionFactory.parse(curName);
+				lhsVarName = SvcLogicExpressionResolver.resolveVariableName(lhsExpr, node, ctx);
+			} catch (Exception e) {
+				LOG.warn("Caught exception trying to resolve variable name ("+curName+")", e);
+			}
+			
+
+			boolean setValue = true;
+
+			if (curName.endsWith(".")) {
+
+				// Copy subtree - value should be a variable name
+				SvcLogicExpression curValue = curEnt.getValue();
+
+				if (curValue != null) {
+					String rhsRoot = curValue.toString();
+				
+					if ((rhsRoot != null) && (rhsRoot.length() > 0)) {
+						if (rhsRoot.endsWith(".")) {
+							rhsRoot = rhsRoot
+									.substring(0, rhsRoot.length() - 1);
+						}
+
+
+						// SDNGC-2321 : rhsRoot is variable name, possibly with subscript(s) to be resolved
+						try {
+							SvcLogicExpression rhsExpr = SvcLogicExpressionFactory.parse(rhsRoot);
+							rhsRoot = SvcLogicExpressionResolver.resolveVariableName(rhsExpr, node, ctx);
+						} catch (Exception e) {
+							LOG.warn("Caught exception trying to resolve variable name ("+rhsRoot+")", e);
+						}
+						
+						// See if the parameters are reversed (copying service-data to input) .. this
+						// was done as a workaround to earlier issue
+						if (curName.endsWith("-input.") && rhsRoot.startsWith("service-data")) {
+							LOG.warn("Arguments appear to be reversed .. will copy input to service-data instead");
+							lhsVarName = rhsRoot + ".";
+							rhsRoot = curName.substring(0, curName.length()-1);
+						}
+						
+						rhsRoot = rhsRoot + ".";
+						String lhsPrefix = lhsVarName;
+						
+						if (lhsPrefix.endsWith(".")) {
+							lhsPrefix = lhsPrefix.substring(0,
+								lhsPrefix.length()-1);
+						}
+						int lhsPfxLength = lhsPrefix.length();
+						HashMap<String, String> parmsToAdd = new HashMap<String,String>();
+
+						for (String sourceVarName : ctx.getAttributeKeySet()) {
+
+							if (sourceVarName.startsWith(rhsRoot)) {
+
+								String targetVar = lhsPrefix
+										+ "."
+										+ sourceVarName
+												.substring(rhsRoot.length());
+
+								LOG.debug("Copying " + sourceVarName
+										+ " value to " + targetVar);
+
+								parmsToAdd.put(targetVar,
+										ctx.getAttribute(sourceVarName));
+							}
+						}
+						
+						for (String newParmName : parmsToAdd.keySet()) {
+							ctx.setAttribute(newParmName, parmsToAdd.get(newParmName));
+						}
+
+					} else {
+						// If RHS is empty, unset attributes in LHS
+						String lhsPrefix = lhsVarName.substring(0,
+								lhsVarName.length() - 1);
+						int lhsPfxLength = lhsPrefix.length();
+						
+						LinkedList<String> parmsToRemove = new LinkedList<String> ();
+
+						for (String curCtxVarname : ctx.getAttributeKeySet()) {
+
+							if (curCtxVarname.startsWith(lhsPrefix)) {
+								LOG.debug("Unsetting " + curCtxVarname);
+								parmsToRemove.add(curCtxVarname);
+							}
+						}
+						
+						for (String parmName : parmsToRemove) {
+							ctx.setAttribute(parmName, null);
+						}
+
+					}
+				}
+
+			} else {
+
+				if (ifunset) {
+					String ctxValue = ctx.getAttribute(lhsVarName);
+
+					if ((ctxValue != null) && (ctxValue.length() > 0)) {
+						setValue = false;
+						LOG.debug("Attribute "
+								+ lhsVarName
+								+ " already set and only-if-unset is true, so not overriding");
+					}
+				}
+
+				if (setValue) {
+					String curValue = SvcLogicExpressionResolver.evaluate(
+							curEnt.getValue(), node, ctx);
+
+					if (LOG.isDebugEnabled()) {
+						LOG.debug("Parameter value "
+								+ curEnt.getValue().asParsedExpr()
+								+ " resolves to " + curValue);
+						LOG.debug("Setting context attribute " + lhsVarName
+								+ " to " + curValue);
+					}
+					ctx.setAttribute(lhsVarName, curValue);
+				}
+			}
+		}
+		
+		return null;
+	}
+
+}