/**
* Copyright (C) 2011 - present by OpenGamma Inc. and the OpenGamma group of companies
*
* Please see distribution for license.
*/
package com.opengamma.financial.analytics.model.equity.portfoliotheory;
import java.util.Collections;
import java.util.Set;
import com.opengamma.engine.ComputationTarget;
import com.opengamma.engine.function.FunctionCompilationContext;
import com.opengamma.engine.target.ComputationTargetType;
import com.opengamma.engine.value.ValuePropertyNames;
import com.opengamma.engine.value.ValueRequirement;
import com.opengamma.engine.value.ValueRequirementNames;
import com.opengamma.financial.property.DefaultPropertyFunction;
import com.opengamma.util.ArgumentChecker;
/**
*
*/
public class TotalRiskAlphaDefaultPropertiesFunction extends DefaultPropertyFunction {
private final String _samplingPeriodName;
private final String _scheduleCalculatorName;
private final String _samplingFunctionName;
private final String _returnCalculatorName;
private final String _stdDevCalculatorName;
private final String _expectedReturnCalculatorName;
public TotalRiskAlphaDefaultPropertiesFunction(final String samplingPeriodName, final String scheduleCalculatorName, final String samplingFunctionName,
final String returnCalculatorName, final String stdDevCalculatorName, final String expectedReturnCalculatorName, final ComputationTargetType type) {
super(type, true);
ArgumentChecker.notNull(samplingPeriodName, "sampling period name");
ArgumentChecker.notNull(scheduleCalculatorName, "schedule calculator name");
ArgumentChecker.notNull(samplingFunctionName, "sampling function name");
ArgumentChecker.notNull(returnCalculatorName, "return calculator name");
ArgumentChecker.notNull(stdDevCalculatorName, "standard deviation calculator name");
ArgumentChecker.notNull(expectedReturnCalculatorName, "expectedReturn calculator name");
_samplingPeriodName = samplingPeriodName;
_scheduleCalculatorName = scheduleCalculatorName;
_samplingFunctionName = samplingFunctionName;
_returnCalculatorName = returnCalculatorName;
_stdDevCalculatorName = stdDevCalculatorName;
_expectedReturnCalculatorName = expectedReturnCalculatorName;
}
@Override
protected void getDefaults(final PropertyDefaults defaults) {
defaults.addValuePropertyName(ValueRequirementNames.TOTAL_RISK_ALPHA, ValuePropertyNames.SAMPLING_PERIOD);
defaults.addValuePropertyName(ValueRequirementNames.TOTAL_RISK_ALPHA, ValuePropertyNames.SCHEDULE_CALCULATOR);
defaults.addValuePropertyName(ValueRequirementNames.TOTAL_RISK_ALPHA, ValuePropertyNames.SAMPLING_FUNCTION);
defaults.addValuePropertyName(ValueRequirementNames.TOTAL_RISK_ALPHA, ValuePropertyNames.RETURN_CALCULATOR);
defaults.addValuePropertyName(ValueRequirementNames.TOTAL_RISK_ALPHA, ValuePropertyNames.STD_DEV_CALCULATOR);
defaults.addValuePropertyName(ValueRequirementNames.TOTAL_RISK_ALPHA, ValuePropertyNames.MEAN_CALCULATOR);
}
@Override
protected Set<String> getDefaultValue(final FunctionCompilationContext context, final ComputationTarget target, final ValueRequirement desiredValue, final String propertyName) {
if (ValuePropertyNames.SAMPLING_PERIOD.equals(propertyName)) {
return Collections.singleton(_samplingPeriodName);
}
if (ValuePropertyNames.SCHEDULE_CALCULATOR.equals(propertyName)) {
return Collections.singleton(_scheduleCalculatorName);
}
if (ValuePropertyNames.SAMPLING_FUNCTION.equals(propertyName)) {
return Collections.singleton(_samplingFunctionName);
}
if (ValuePropertyNames.RETURN_CALCULATOR.equals(propertyName)) {
return Collections.singleton(_returnCalculatorName);
}
if (ValuePropertyNames.STD_DEV_CALCULATOR.equals(propertyName)) {
return Collections.singleton(_stdDevCalculatorName);
}
if (ValuePropertyNames.MEAN_CALCULATOR.equals(propertyName)) {
return Collections.singleton(_expectedReturnCalculatorName);
}
return null;
}
}