runtime/org.argeo.slc.specs/src/main/java/org/argeo/slc/execution/ExecutionContext.java

   1 /*
   2  * Copyright (C) 2010 Mathieu Baudier <mbaudier@argeo.org>
   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
  17 package org.argeo.slc.execution;
  18
  19 /** Variables or references attached to an execution (typically thread bounded).*/
  20 public interface ExecutionContext {
  21         public final static String VAR_EXECUTION_CONTEXT_ID = "slcVar.executionContext.id";
  22         public final static String VAR_EXECUTION_CONTEXT_CREATION_DATE = "slcVar.executionContext.creationDate";
  23         public final static String VAR_FLOW_ID = "slcVar.flow.id";
  24         public final static String VAR_FLOW_NAME = "slcVar.flow.name";
  25
  26         public String getUuid();
  27
  28         /** @return the variable value, or <code>null</code> if not found. */
  29         public Object getVariable(String key);
  30
  31         public void setVariable(String key, Object value);
  32 }