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

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