1 /* 2 * Copyright (C) 2007-2012 Argeo GmbH 3 * 4 * Licensed under the Apache 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.apache.org/licenses/LICENSE-2.0 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.argeo.slc.execution; 17 18 /** Variables or references attached to an execution (typically thread bounded).*/ 19 public interface ExecutionContext { 20 public final static String VAR_EXECUTION_CONTEXT_ID = "slcVar.executionContext.id"; 21 public final static String VAR_EXECUTION_CONTEXT_CREATION_DATE = "slcVar.executionContext.creationDate"; 22 public final static String VAR_FLOW_ID = "slcVar.flow.id"; 23 public final static String VAR_FLOW_NAME = "slcVar.flow.name"; 24 25 public String getUuid(); 26 27 /** @return the variable value, or <code>null</code> if not found. */ 28 public Object getVariable(String key); 29 30 public void setVariable(String key, Object value); 31 32 public void beforeFlow(ExecutionFlow executionFlow); 33 34 public void afterFlow(ExecutionFlow executionFlow); 35 }