/**
* Copyright (C) 2013 - present by OpenGamma Inc. and the OpenGamma group of companies
*
* Please see distribution for license.
*/
package com.opengamma.financial.analytics.model.pnl;
import java.util.Map;
import java.util.Set;
import com.google.common.collect.ImmutableSet;
import com.opengamma.engine.ComputationTarget;
import com.opengamma.engine.function.AbstractFunction;
import com.opengamma.engine.function.FunctionCompilationContext;
import com.opengamma.engine.function.FunctionExecutionContext;
import com.opengamma.engine.function.FunctionInputs;
import com.opengamma.engine.target.ComputationTargetType;
import com.opengamma.engine.value.ComputedValue;
import com.opengamma.engine.value.ValueProperties;
import com.opengamma.engine.value.ValuePropertyNames;
import com.opengamma.engine.value.ValueRequirement;
import com.opengamma.engine.value.ValueRequirementNames;
import com.opengamma.engine.value.ValueSpecification;
import com.opengamma.financial.analytics.TenorLabelledLocalDateDoubleTimeSeriesMatrix1D;
import com.opengamma.timeseries.date.localdate.LocalDateDoubleTimeSeries;
import com.opengamma.util.async.AsynchronousExecution;
/**
* Produces the aggregated P&L series for a curve for an FX Forward.
*/
public class FXForwardYieldCurvePnLFunction extends AbstractFunction.NonCompiledInvoker {
@Override
public ComputationTargetType getTargetType() {
return ComputationTargetType.POSITION;
}
@Override
public Set<ValueSpecification> getResults(FunctionCompilationContext context, ComputationTarget target) {
return ImmutableSet.of(new ValueSpecification(ValueRequirementNames.PNL_SERIES, target.toSpecification(), ValueProperties.all()));
}
@Override
public Set<ValueRequirement> getRequirements(FunctionCompilationContext context, ComputationTarget target, ValueRequirement desiredValue) {
return ImmutableSet.of(new ValueRequirement(ValueRequirementNames.YIELD_CURVE_PNL_SERIES, target.toSpecification(), desiredValue.getConstraints()));
}
@Override
public Set<ValueSpecification> getResults(FunctionCompilationContext context, ComputationTarget target, Map<ValueSpecification, ValueRequirement> inputs) {
ValueProperties properties = inputs.entrySet().iterator().next().getKey().getProperties().copy()
.withoutAny(ValuePropertyNames.FUNCTION)
.with(ValuePropertyNames.FUNCTION, getUniqueId())
.get();
return ImmutableSet.of(new ValueSpecification(ValueRequirementNames.PNL_SERIES, target.toSpecification(), properties));
}
@Override
public Set<ComputedValue> execute(FunctionExecutionContext executionContext, FunctionInputs inputs, ComputationTarget target, Set<ValueRequirement> desiredValues) throws AsynchronousExecution {
ValueRequirement desiredValue = desiredValues.iterator().next();
TenorLabelledLocalDateDoubleTimeSeriesMatrix1D nodalPnlSeries = (TenorLabelledLocalDateDoubleTimeSeriesMatrix1D) inputs.getValue(ValueRequirementNames.YIELD_CURVE_PNL_SERIES);
LocalDateDoubleTimeSeries result = nodalPnlSeries.getValues()[0];
for (int i = 1; i < nodalPnlSeries.size(); i++) {
result = result.add(nodalPnlSeries.getValues()[i]);
}
ValueSpecification resultSpec = new ValueSpecification(ValueRequirementNames.PNL_SERIES, target.toSpecification(), desiredValue.getConstraints());
return ImmutableSet.of(new ComputedValue(resultSpec, result));
}
}