runtime/org.argeo.slc.core/src/main/java/org/argeo/slc/core/execution/MapExecutionContext.java

   1 package org.argeo.slc.core.execution;
   2
   3 import java.util.Collections;
   4 import java.util.Date;
   5 import java.util.HashMap;
   6 import java.util.Map;
   7 import java.util.UUID;
   8
   9 import org.argeo.slc.execution.ExecutionContext;
  10
  11 public class MapExecutionContext implements ExecutionContext {
  12         private final Map<String, Object> variables = Collections
  13                         .synchronizedMap(new HashMap<String, Object>());
  14
  15         private final String uuid;
  16
  17         public MapExecutionContext() {
  18                 uuid = UUID.randomUUID().toString();
  19                 variables.put(VAR_EXECUTION_CONTEXT_ID, uuid);
  20                 variables.put(VAR_EXECUTION_CONTEXT_CREATION_DATE, new Date());
  21         }
  22
  23         public void setVariable(String key, Object value) {
  24                 variables.put(key, value);
  25         }
  26
  27         public Object getVariable(String key) {
  28                 return variables.get(key);
  29         }
  30
  31         public String getUuid() {
  32                 return uuid;
  33         }
  34
  35         @Override
  36         public boolean equals(Object obj) {
  37                 if (obj instanceof ExecutionContext)
  38                         return uuid.equals(((ExecutionContext) obj).getUuid());
  39                 return false;
  40         }
  41
  42         @Override
  43         public String toString() {
  44                 return getClass().getSimpleName()+"#"+uuid;
  45         }
  46
  47 }