1 files changed, 109 insertions, 0 deletions
diff --git a/sli/provider-base/src/main/java/org/onap/ccsdk/sli/core/sli/provider/base/ForNodeExecutor.java b/sli/provider-base/src/main/java/org/onap/ccsdk/sli/core/sli/provider/base/ForNodeExecutor.java
new file mode 100644
index 00000000..8ca1f32d
--- /dev/null
+++ b/sli/provider-base/src/main/java/org/onap/ccsdk/sli/core/sli/provider/base/ForNodeExecutor.java
@@ -0,0 +1,109 @@
+/*-
+ * ============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.BreakNodeException;
+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.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class ForNodeExecutor extends AbstractSvcLogicNodeExecutor {
+
+	private static final Logger LOG = LoggerFactory
+			.getLogger(ForNodeExecutor.class);
+
+	@Override
+	public SvcLogicNode execute(SvcLogicServiceBase svc, SvcLogicNode node,
+			SvcLogicContext ctx) throws SvcLogicException {
+
+		SvcLogicExpression atomicExpr = node.getAttribute("atomic");
+		String atomicStr = SvcLogicExpressionResolver.evaluate(atomicExpr, node, ctx);
+		boolean isAtomic = !("false".equalsIgnoreCase(atomicStr));
+
+		int numOutcomes = node.getNumOutcomes();
+		String idxVar = SvcLogicExpressionResolver.evaluate(
+				node.getAttribute("index"), node, ctx);
+		String startVal = SvcLogicExpressionResolver.evaluate(
+				node.getAttribute("start"), node, ctx);
+		String endVal = SvcLogicExpressionResolver.evaluate(
+				node.getAttribute("end"), node, ctx);
+
+		LOG.debug("Executing "+ (isAtomic ? "atomic" : "non-atomic") + " for loop - for (int " + idxVar + " = " + startVal
+				+ "; " + idxVar + " < " + endVal + "; " + idxVar + "++)");
+
+		int startIdx = 0;
+		int endIdx = 0;
+
+		try {
+			startIdx = Integer.parseInt(startVal);
+			endIdx = Integer.parseInt(endVal);
+		} catch (NumberFormatException e) {
+			SvcLogicExpression silentFailureExpr = node.getAttribute("silentFailure");
+			String silentFailure = SvcLogicExpressionResolver.evaluate(silentFailureExpr, node, ctx);
+			boolean isSilentFailure = Boolean.parseBoolean(silentFailure);
+			String message = "Invalid index values [" + startVal + "," + endVal + "]";
+			if(!isSilentFailure){
+			throw new SvcLogicException(message);
+			}else{
+			    LOG.debug(message + ". Not exiting because silentFailure was set to true.");
+			    return(null);
+			}
+		}
+
+        try {
+		for (int ctr = startIdx; ctr < endIdx; ctr++) {
+
+			ctx.setAttribute(idxVar, "" + ctr);
+
+			for (int i = 0; i < numOutcomes; i++) {
+
+				if ("failure".equals(ctx.getStatus()) && isAtomic) {
+					LOG.info("For - stopped executing nodes due to failure status");
+					return(null);
+				}
+
+				SvcLogicNode nextNode = node.getOutcomeValue("" + (i + 1));
+				if (nextNode != null) {
+					if (LOG.isDebugEnabled()) {
+						LOG.debug("For  - executing outcome " + (i + 1));
+					}
+					SvcLogicNode innerNextNode = nextNode;
+					while (innerNextNode != null) {
+						innerNextNode = svc.executeNode(innerNextNode, ctx);
+					}
+				} else {
+					if (LOG.isDebugEnabled()) {
+						LOG.debug("For - done: no outcome " + (i + 1));
+					}
+				}
+			}
+		}
+        } catch (BreakNodeException br) {
+            LOG.error("ForNodeExecutor caught break",br);
+        }
+		return (null);
+	}
+
+}