Examples of com.opengamma.master.position.PositionHistoryRequest

com.opengamma.master.position.PositionHistoryRequest
Request for the history of a position.
A full position master implements historical storage of data. History can be stored in two dimensions and this request provides searching.
The first historic dimension is the classic series of versions. Each new version is stored in such a manor that previous versions can be accessed.
The second historic dimension is corrections. A correction occurs when it is realized that the original data stored was incorrect. A simple position master might simply replace the original version with the corrected value. A full implementation will store the correction in such a manner that it is still possible to obtain the value before the correction was made.
For example, a position added on Monday and updated on Thursday has two versions. If it is realized on Friday that the version stored on Monday was incorrect, then a correction may be applied. There are now two versions, the first of which has one correction. This may continue, with multiple corrections allowed for each version.
Versions are represented by instants in the search.

  }


  @Test
  public void test_searchPositionHistoric_versionsTo_firstToSecond() {
    ObjectId oid = ObjectId.of("DbPos", "221");
    PositionHistoryRequest request = new PositionHistoryRequest(oid);
    request.setVersionsToInstant(_version1Instant.plusSeconds(5));
    PositionHistoryResult test = _posMaster.history(request);
    
    assertEquals(1, test.getPaging().getTotalItems());
    
    assertEquals(1, test.getDocuments().size());

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  }


  @Test
  public void test_searchPositionHistoric_versionsTo_postSecond() {
    ObjectId oid = ObjectId.of("DbPos", "221");
    PositionHistoryRequest request = new PositionHistoryRequest(oid);
    request.setVersionsToInstant(_version2Instant.plusSeconds(5));
    PositionHistoryResult test = _posMaster.history(request);
    
    assertEquals(2, test.getPaging().getTotalItems());
    
    assertEquals(2, test.getDocuments().size());

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    assertEquals(base.getUniqueId(), old3.getUniqueId());
    
//    PositionDocument old4 = _posMaster.get(ObjectId.of("DbPos", "121"), VersionCorrection.of(now, _version2Instant));
//    assertEquals(base.getUniqueId(), old4.getUniqueId());
    
    PositionHistoryRequest search = new PositionHistoryRequest(base.getUniqueId(), null, now);
    PositionHistoryResult searchResult = _posMaster.history(search);
    assertEquals(2, searchResult.getDocuments().size());
  }

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    PositionDocument latestDoc = _posMaster.get(updated.getUniqueId());
    assertNotNull(latestDoc);
    assertEquals(updated.getPosition(), latestDoc.getPosition());
    
    PositionHistoryRequest search = new PositionHistoryRequest(base.getUniqueId(), null, now);
    PositionHistoryResult searchResult = _posMaster.history(search);
    assertEquals(2, searchResult.getDocuments().size());
  }

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    assertEquals(version2.getPosition(), _posMaster.get(version2.getUniqueId()).getPosition());
    
    //reload version1
    version1 = _posMaster.get(version1.getUniqueId());
    
    PositionHistoryResult historyResult = _posMaster.history(new PositionHistoryRequest(version1.getUniqueId(), null, Instant.now(_posMaster.getClock())));
    assertEquals(2, historyResult.getDocuments().size());
    assertTrue(historyResult.getDocuments().contains(version1));
    assertTrue(historyResult.getDocuments().contains(version2));
    
  }

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    assertEquals(version2.getPosition(), _posMaster.get(version2.getUniqueId()).getPosition());


    //reload version1
    version1 = _posMaster.get(version1.getUniqueId());


    PositionHistoryResult historyResult = _posMaster.history(new PositionHistoryRequest(version1.getUniqueId(), null, Instant.now(_posMaster.getClock())));
    assertEquals(2, historyResult.getDocuments().size());
    assertTrue(historyResult.getDocuments().contains(version1));
    assertTrue(historyResult.getDocuments().contains(version2));


  }

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  }


  //-------------------------------------------------------------------------
  @Override
  protected AbstractHistoryResult<PositionDocument> historyByVersionsCorrections(final AbstractHistoryRequest request) {
    final PositionHistoryRequest historyRequest = new PositionHistoryRequest();
    historyRequest.setCorrectionsFromInstant(request.getCorrectionsFromInstant());
    historyRequest.setCorrectionsToInstant(request.getCorrectionsToInstant());
    historyRequest.setVersionsFromInstant(request.getVersionsFromInstant());
    historyRequest.setVersionsToInstant(request.getVersionsToInstant());
    historyRequest.setObjectId(request.getObjectId());
    return history(historyRequest);
  }

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    UniqueId oid = UniqueId.parse(idStr);
    try {
      PositionDocument doc = data().getPositionMaster().get(oid);
      data().setPosition(doc);
    } catch (DataNotFoundException ex) {
      PositionHistoryRequest historyRequest = new PositionHistoryRequest(oid);
      historyRequest.setPagingRequest(PagingRequest.ONE);
      PositionHistoryResult historyResult = data().getPositionMaster().history(historyRequest);
      if (historyResult.getDocuments().size() == 0) {
        return null;
      }
      data().setPosition(historyResult.getFirstDocument());

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  }


  //-------------------------------------------------------------------------
  @GET
  public String getHTML() {
    PositionHistoryRequest request = new PositionHistoryRequest(data().getPosition().getUniqueId());
    PositionHistoryResult result = data().getPositionMaster().history(request);
    
    FlexiBean out = createRootData();
    out.put("versionsResult", result);
    out.put("versions", result.getPositions());

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  public Response getJSON(
      @QueryParam("pgIdx") Integer pgIdx,
      @QueryParam("pgNum") Integer pgNum,
      @QueryParam("pgSze") Integer pgSze) {
    PagingRequest pr = buildPagingRequest(pgIdx, pgNum, pgSze);
    PositionHistoryRequest request = new PositionHistoryRequest(data().getPosition().getUniqueId());
    request.setPagingRequest(pr);
    PositionHistoryResult result = data().getPositionMaster().history(request);
    
    FlexiBean out = createRootData();
    out.put("versionsResult", result);
    out.put("versions", result.getPositions());

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