diff options
Diffstat (limited to 'sli/provider-base/src/main/java/org/onap/ccsdk/sli/core/sli/provider/base/ForNodeExecutor.java')
-rw-r--r-- | sli/provider-base/src/main/java/org/onap/ccsdk/sli/core/sli/provider/base/ForNodeExecutor.java | 110 |
1 files changed, 110 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 000000000..2d9721c7f --- /dev/null +++ b/sli/provider-base/src/main/java/org/onap/ccsdk/sli/core/sli/provider/base/ForNodeExecutor.java @@ -0,0 +1,110 @@ +/*- + * ============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.SvcLogicConstants; +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 (SvcLogicConstants.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.trace("ForNodeExecutor caught break" + br.getMessage()); + } + return (null); + } + +} |