Examples of com.opengamma.engine.value.ValueSpecification

com.opengamma.engine.value.ValueSpecification
An immutable representation of the metadata that describes an actual value.
This may be a value a function is capable of producing, or describe a resolved value passed into a function to satisfy a {@link ValueRequirement}.
For example the {@code ValueRequirement} for a currency converting function may state a constraint such as "any currency" on its input values. After the graph has been built, the actual value willbe specified including the specific currency. Similarly a constraint on a {@link ValueRequirement} might restrict the function to be used (or the default of omission allows any) whereas the{@link ValueSpecification} will indicate which function was used to compute that value.
This class is immutable and thread-safe.

    return (!target.getPosition().getTrades().isEmpty());
  }


  @Override
  public Set<ValueSpecification> getResults(final FunctionCompilationContext context, final ComputationTarget target) {
    final ValueSpecification specification = new ValueSpecification(_requirementName, target.toSpecification(), ValueProperties.all());
    return Collections.singleton(specification);
  }

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    if (common == null) {
      // Can't have been any inputs ... ?
      return null;
    }
    common = common.copy().withoutAny(ValuePropertyNames.FUNCTION).with(ValuePropertyNames.FUNCTION, getUniqueId()).get();
    return Collections.singleton(new ValueSpecification(_requirementName, target.toSpecification(), common));
  }

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      }
    }
    if (summedValue == null) {
      return null;
    }
    final ValueSpecification specification = new ValueSpecification(_requirementName, target.toSpecification(), desiredValue.getConstraints());
    return Collections.singleton(new ComputedValue(specification, summedValue));
  }

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    return !(target.getValue() instanceof HistoricalViewEvaluationTarget) && context.getViewCalculationConfiguration() != null;
  }


  @Override
  public Set<ValueSpecification> getResults(final FunctionCompilationContext context, final ComputationTarget target) {
    return Collections.singleton(new ValueSpecification(ValueRequirementNames.HISTORICAL_TIME_SERIES, target.toSpecification(), ValueProperties.all()));
  }

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              if (nestedConstraints.isOptional(propertyName)) {
                properties.withOptional(passthroughName);
              }
            }
          }
          results.add(new ValueSpecification(ValueRequirementNames.HISTORICAL_TIME_SERIES, targetSpec, properties.get()));
        }
      }
      return results;
    } else {
      return null;

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      final ValueRequirement requirement = getNestedRequirement(executionContext.getComputationTargetResolver(), target, desiredValue.getConstraints());
      if (requirement != null) {
        @SuppressWarnings("rawtypes")
        final TimeSeries ts = evaluationResult.getTimeSeries(requirement);
        if (ts != null) {
          results.add(new ComputedValue(new ValueSpecification(desiredValue.getValueName(), targetSpec, desiredValue.getConstraints()), ts));
        } else {
          s_logger.warn("Nested requirement {} did not produce a time series for {}", requirement, desiredValue);
        }
      } else {
        s_logger.error("Couldn't produce nested requirement for {}", desiredValue);

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    final ConfigSource configSource = OpenGammaCompilationContext.getConfigSource(context);
    final CurveSpecification curveSpecification = CurveUtils.getCurveSpecification(atInstant, configSource, atZDT.toLocalDate(), _curveName);
    final ValueProperties properties = createValueProperties()
        .with(ValuePropertyNames.CURVE, _curveName)
        .get();
    final ValueSpecification spec = new ValueSpecification(ValueRequirementNames.CURVE_SPECIFICATION, ComputationTargetSpecification.NULL, properties);
    return new MyCompiledFunction(atZDT.with(LocalTime.MIDNIGHT), atZDT.plusDays(1).with(LocalTime.MIDNIGHT).minusNanos(1000000), curveSpecification, spec);
  }

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    return ComputationTargetType.CURRENCY;
  }


  @Override
  public Set<ValueSpecification> getResults(final FunctionCompilationContext context, final ComputationTarget target) {
    return Collections.singleton(new ValueSpecification(ValueRequirementNames.YIELD_CURVE_INSTRUMENT_CONVERSION_HISTORICAL_TIME_SERIES, target.toSpecification(),
        createValueProperties()
            .withAny(ValuePropertyNames.CURVE_CALCULATION_CONFIG).get()));
  }

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        }
        timeSeries.add(timeSeriesRequirement.getConstraint(HistoricalTimeSeriesFunctionUtils.DATA_FIELD_PROPERTY), timeSeriesSource.getExternalIdBundle(hts.getUniqueId()), hts);
      }
    }
    final ValueProperties properties = createValueProperties().with(ValuePropertyNames.CURVE_CALCULATION_CONFIG, curveCalculationConfigName).get();
    return Collections.singleton(new ComputedValue(new ValueSpecification(ValueRequirementNames.YIELD_CURVE_INSTRUMENT_CONVERSION_HISTORICAL_TIME_SERIES, targetSpec, properties), timeSeries));
  }

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    final ComputationTargetSpecification targetSpec = target.toSpecification();
    final Set<ValueSpecification> result = new HashSet<ValueSpecification>();
    for (final Map.Entry<String, Set<String>> valueName2PropertyNames : defaults.getValueName2PropertyNames().entrySet()) {
      final String valueName = valueName2PropertyNames.getKey();
      if (isPermitWithout()) {
        result.add(new ValueSpecification(valueName, targetSpec, ValueProperties.all()));
      } else {
        for (final String propertyName : valueName2PropertyNames.getValue()) {
          result.add(new ValueSpecification(valueName, targetSpec, ValueProperties.all().withoutAny(propertyName)));
        }
      }
    }
    s_logger.debug("Produced results {} for {}", result, target);
    return result;

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