bundles/org.simantics.db.procore/src/fi/vtt/simantics/procore/internal/OperationImpl.java

   1 package fi.vtt.simantics.procore.internal;\r
   2 \r
   3 import java.util.ArrayList;\r
   4 import java.util.Collection;\r
   5 import java.util.Collections;\r
   6 import java.util.List;\r
   7 \r
   8 import org.simantics.db.Operation;\r
   9 import org.simantics.db.service.ExternalOperation;\r
  10 \r
  11 public class OperationImpl implements Operation {\r
  12     private final long id;\r
  13     private final long csid;\r
  14     private Operation combined;\r
  15     private final List<ExternalOperation> externals;\r
  16     OperationImpl(long id, long csid) {\r
  17         this(id, csid, null);\r
  18     }\r
  19     OperationImpl(long id, long csid, List<ExternalOperation> externals) {\r
  20         this.id = id;\r
  21         this.csid = csid;\r
  22         this.combined = null;\r
  23         this.externals = externals.isEmpty() ? null : externals;\r
  24     }\r
  25     @Override\r
  26     public String toString() {\r
  27         return "Operation id=" + id + " cs=" + csid + ".";\r
  28     }\r
  29     @Override\r
  30     public long getId() {\r
  31         return id;\r
  32     }\r
  33 \r
  34     @Override\r
  35     public long getCSId() {\r
  36         return csid;\r
  37     }\r
  38 \r
  39     @Override\r
  40     public void combine(Operation operation) {\r
  41         combined = operation;\r
  42     }\r
  43 \r
  44     @Override\r
  45     public List<Operation> getOperations() {\r
  46         \r
  47         if(combined == null) return Collections.<Operation>singletonList(this);\r
  48 \r
  49         ArrayList<Operation> result = new ArrayList<Operation>();\r
  50         OperationImpl current = this;\r
  51         while(current != null) {\r
  52                 result.add(current);\r
  53                 current = (OperationImpl)(current.combined);\r
  54         }\r
  55         \r
  56         Collections.reverse(result);\r
  57         \r
  58         return result;\r
  59         \r
  60     }\r
  61     \r
  62     @Override\r
  63     public Collection<ExternalOperation> getExternalOperations() {\r
  64         if(externals == null)\r
  65                 return Collections.emptyList();\r
  66         else\r
  67                 return externals;\r
  68     }\r
  69     \r
  70 }\r