| /******************************************************************************* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| *******************************************************************************/ |
| package org.apache.ofbiz.minilang.method.entityops; |
| |
| import org.apache.ofbiz.base.util.collections.FlexibleMapAccessor; |
| import org.apache.ofbiz.base.util.string.FlexibleStringExpander; |
| import org.apache.ofbiz.entity.Delegator; |
| import org.apache.ofbiz.minilang.MiniLangException; |
| import org.apache.ofbiz.minilang.MiniLangValidate; |
| import org.apache.ofbiz.minilang.SimpleMethod; |
| import org.apache.ofbiz.minilang.method.MethodContext; |
| import org.w3c.dom.Element; |
| |
| /** |
| * Implements the <sequenced-id> element. |
| * |
| * @see <a href="https://cwiki.apache.org/confluence/display/OFBADMIN/Mini+Language+-+minilang+-+simple-method+-+Reference">Mini-language Reference</a> |
| */ |
| public final class SequencedIdToEnv extends EntityOperation { |
| |
| private final FlexibleMapAccessor<Object> fieldFma; |
| private final boolean getLongOnly; |
| private final FlexibleStringExpander sequenceNameFse; |
| private final long staggerMax; |
| |
| public SequencedIdToEnv(Element element, SimpleMethod simpleMethod) throws MiniLangException { |
| super(element, simpleMethod); |
| if (MiniLangValidate.validationOn()) { |
| MiniLangValidate.attributeNames(simpleMethod, element, "sequence-name", "field", "get-long-only", "stagger-max", "delegator-name"); |
| MiniLangValidate.requiredAttributes(simpleMethod, element, "sequence-name", "field"); |
| MiniLangValidate.expressionAttributes(simpleMethod, element, "field", "delegator-name"); |
| MiniLangValidate.noChildElements(simpleMethod, element); |
| } |
| sequenceNameFse = FlexibleStringExpander.getInstance(element.getAttribute("sequence-name")); |
| fieldFma = FlexibleMapAccessor.getInstance(element.getAttribute("field")); |
| getLongOnly = "true".equals(element.getAttribute("get-long-only")); |
| long staggerMax = 1; |
| String staggerMaxAttribute = element.getAttribute("stagger-max"); |
| if (!staggerMaxAttribute.isEmpty()) { |
| try { |
| staggerMax = Long.parseLong(staggerMaxAttribute); |
| if (staggerMax < 1) { |
| staggerMax = 1; |
| } |
| } catch (NumberFormatException e) { |
| MiniLangValidate.handleError("Invalid stagger-max attribute value: " + e.getMessage(), simpleMethod, element); |
| } |
| } |
| this.staggerMax = staggerMax; |
| } |
| |
| @Override |
| public boolean exec(MethodContext methodContext) throws MiniLangException { |
| String seqName = sequenceNameFse.expandString(methodContext.getEnvMap()); |
| Delegator delegator = getDelegator(methodContext); |
| if (getLongOnly) { |
| fieldFma.put(methodContext.getEnvMap(), delegator.getNextSeqIdLong(seqName, staggerMax)); |
| } else { |
| fieldFma.put(methodContext.getEnvMap(), delegator.getNextSeqId(seqName, staggerMax)); |
| } |
| return true; |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder sb = new StringBuilder("<sequenced-id "); |
| sb.append("sequence-name=\"").append(this.sequenceNameFse).append("\" "); |
| sb.append("field=\"").append(this.fieldFma).append("\" "); |
| sb.append("stagger-max=\"").append(this.staggerMax).append("\" "); |
| if (this.getLongOnly) { |
| sb.append("get-long-only=\"true\" "); |
| } |
| sb.append("/>"); |
| return sb.toString(); |
| } |
| |
| /** |
| * A factory for the <sequenced-id> element. |
| */ |
| public static final class SequencedIdFactory implements Factory<SequencedIdToEnv> { |
| @Override |
| public SequencedIdToEnv createMethodOperation(Element element, SimpleMethod simpleMethod) throws MiniLangException { |
| return new SequencedIdToEnv(element, simpleMethod); |
| } |
| |
| @Override |
| public String getName() { |
| return "sequenced-id"; |
| } |
| } |
| } |