com.opengamma.financial.aggregation.PortfolioAggregationFunctions.java Source code

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Here is the source code for com.opengamma.financial.aggregation.PortfolioAggregationFunctions.java

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/**
 * Copyright (C) 2009 - present by OpenGamma Inc. and the OpenGamma group of companies
 *
 * Please see distribution for license.
 */
package com.opengamma.financial.aggregation;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;

/**
 * Aggregation functions for portfolios.
 */
public class PortfolioAggregationFunctions {

    /**
     * The aggregators.
     */
    private final List<AggregationFunction<?>> _functions;

    /**
     * Creates an instance.
     * 
     * @param functions  the functions, not null
     */
    public PortfolioAggregationFunctions(Iterable<AggregationFunction<?>> functions) {
        _functions = ImmutableList.copyOf(functions);
    }

    //-------------------------------------------------------------------------
    /**
     * Gets the aggregators.
     * 
     * @return the immutable list of aggregators, not null
     */
    public List<AggregationFunction<?>> getFunctions() {
        return _functions;
    }

    //-------------------------------------------------------------------------
    /**
     * Gets the aggregators mapped by name.
     * 
     * @return the immutable map of aggregation functions, not null
     */
    public Map<String, AggregationFunction<?>> getMappedFunctions() {
        Map<String, AggregationFunction<?>> result = new HashMap<String, AggregationFunction<?>>();
        for (AggregationFunction<?> portfolioAggregator : _functions) {
            result.put(portfolioAggregator.getName(), portfolioAggregator);
        }
        return ImmutableMap.copyOf(result);
    }

    //-------------------------------------------------------------------------
    @Override
    public String toString() {
        return "PortfolioAggregationFunctions" + _functions;
    }

}