1 /** 2 * Copyright 2005-2013 The Kuali Foundation 3 * 4 * Licensed under the Educational Community License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.opensource.org/licenses/ecl2.php 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package org.kuali.rice.kew.engine.node.service; 17 18 import java.util.List; 19 20 import org.kuali.rice.kew.engine.node.Branch; 21 22 /** 23 * A service providing data access for {@link Branch} instances. 24 * 25 * @author Kuali Rice Team (rice.collab@kuali.org) 26 */ 27 public interface BranchService { 28 public void save(Branch branch); 29 public void deleteBranchStates(List statesToBeDeleted); 30 /** 31 * Responsible for inspecting the branch hierarchy/scope and returning a value 32 * for the variable name if it exists somewere in scope. 33 * @param branch the lowermost scope to start resolution 34 * @return a value for the key if it exists somewere in scope 35 */ 36 public String getScopedVariableValue(Branch branch, String name); 37 /** 38 * Responsible for setting a value in the branch hierarchy/scope. If the variable name 39 * exists in a scope, it will be updated as opposed to created in a lower scope. 40 * @param branch the lowermost scope to start resolution 41 * @param value the value to set for the variable 42 * @return the replaced value of the variable, if the variable was already defined, or null otherwise 43 */ 44 public String setScopedVariableValue(Branch branch, String name, String value); 45 }