Examples of com.opengamma.engine.ComputationTargetResolver.resolve()

Class com.opengamma.engine.ComputationTargetResolver

Examples of com.opengamma.engine.ComputationTargetResolver.resolve()

com.opengamma.engine.ComputationTargetResolver.resolve()
Resolves the specification to a real target.
The specification contains a {@link UniqueId} that refers to a real target, such as a portfolio or security. The resolver converts this reference back to the original fully formed object. Thetype component of the specification may be used as a hint on how to resolve the unique identifier. The type field of the resolved target may be a sub-type of the hinted type that more accurately describes the target object. @param specification the specification to resolve, not null @param versionCorrection the version/correction time to perform any deep resolutions at, not null @return the resolved target, null if not found

public class LazyComputationTargetResolverTest {


  public void testPortfolioNode() {
    final MockComputationTargetResolver mock = MockComputationTargetResolver.unresolved();
    final ComputationTargetResolver resolver = new LazyComputationTargetResolver(mock);
    final ComputationTarget target = resolver.resolve(new ComputationTargetSpecification(ComputationTargetType.PORTFOLIO_NODE, UniqueId.of("Node", "0")), VersionCorrection.LATEST);
    final PortfolioNode node = target.getPortfolioNode();
    assertEquals(node.getUniqueId(), UniqueId.of("Node", "0"));
    assertEquals(mock.getResolveCalls(), 0);
    assertEquals(node.getName(), "Node 0");
    assertEquals(mock.getResolveCalls(), 1);

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  }


  public void testPosition() {
    final MockComputationTargetResolver mock = MockComputationTargetResolver.unresolved();
    final ComputationTargetResolver resolver = new LazyComputationTargetResolver(mock);
    final ComputationTarget target = resolver.resolve(new ComputationTargetSpecification(ComputationTargetType.POSITION, UniqueId.of("Position", "0")), VersionCorrection.LATEST);
    final Position position = target.getPosition();
    assertEquals(position.getUniqueId(), UniqueId.of("Position", "0"));
    assertEquals(mock.getResolveCalls(), 0);
    assertEquals(position.getAttributes(), Collections.emptyMap());
    assertEquals(position.getQuantity(), BigDecimal.ONE);

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  }


  public void testTrade() {
    final MockComputationTargetResolver mock = MockComputationTargetResolver.unresolved();
    final ComputationTargetResolver resolver = new LazyComputationTargetResolver(mock);
    final ComputationTarget target = resolver.resolve(new ComputationTargetSpecification(ComputationTargetType.TRADE, UniqueId.of("Trade", "0")), VersionCorrection.LATEST);
    final Trade trade = target.getTrade();
    assertEquals(trade.getUniqueId(), UniqueId.of("Trade", "0"));
    assertEquals(mock.getResolveCalls(), 0);
    assertEquals(trade.getAttributes(), Collections.emptyMap());
    trade.setAttributes(ImmutableMap.of("K1", "V1"));

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  }


  public void testSecurity() {
    final MockComputationTargetResolver mock = MockComputationTargetResolver.unresolved();
    final ComputationTargetResolver resolver = new LazyComputationTargetResolver(mock);
    final ComputationTarget target = resolver.resolve(new ComputationTargetSpecification(ComputationTargetType.SECURITY, UniqueId.of("Security", "0")), VersionCorrection.LATEST);
    final Security security = target.getSecurity();
    assertEquals(mock.getResolveCalls(), 1);
    assertEquals(security.getSecurityType(), "MOCK");
    assertEquals(mock.getResolveCalls(), 1);
  }

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                  // compilation under this circumstance can be flawed if the functions have made notable use of the overall portfolio structure such that
                  // a full re-compilation will yield a different dependency graph to just rewriting the previous one.
                  final ComputationTargetResolver resolver = getProcessContext().getFunctionCompilationService().getFunctionCompilationContext().getRawComputationTargetResolver();
                  final ComputationTargetSpecification portfolioSpec = resolver.getSpecificationResolver().getTargetSpecification(
                      new ComputationTargetSpecification(ComputationTargetType.PORTFOLIO, getViewDefinition().getPortfolioId()), versionCorrection);
                  final ComputationTarget newPortfolio = resolver.resolve(portfolioSpec, versionCorrection);
                  unchangedNodes = rewritePortfolioNodes(previousGraphs, compiledViewDefinition, (Portfolio) newPortfolio.getValue());
                }
                // Invalidate any dependency graph nodes on the invalid targets
                filterPreviousGraphs(previousGraphs, new InvalidTargetDependencyNodeFilter(invalidIdentifiers.keySet()), unchangedNodes);
                previousResolutions = new ConcurrentHashMap<>(resolvedIdentifiers.size());

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  }


  private FunctionCompilationContext createFunctionCompilationContext() {
    final FunctionCompilationContext context = new FunctionCompilationContext();
    final ComputationTargetResolver targetResolver = Mockito.mock(ComputationTargetResolver.class);
    Mockito.when(targetResolver.resolve(new ComputationTargetSpecification(ComputationTargetType.PORTFOLIO, UniqueId.of("Portfolio", "0", "V")), VersionCorrection.LATEST)).thenReturn(
        new ComputationTarget(ComputationTargetType.PORTFOLIO, createPortfolio()));
    Mockito.when(targetResolver.atVersionCorrection(VersionCorrection.LATEST)).thenReturn(Mockito.mock(ComputationTargetResolver.AtVersionCorrection.class));
    context.setRawComputationTargetResolver(targetResolver);
    return context;
  }

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