com.opengamma.engine.marketdata.manipulator.YieldCurveSelector.java Source code

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Here is the source code for com.opengamma.engine.marketdata.manipulator.YieldCurveSelector.java

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/**
 * Copyright (C) 2013 - present by OpenGamma Inc. and the OpenGamma group of companies
 *
 * Please see distribution for license.
 */
package com.opengamma.engine.marketdata.manipulator;

import java.util.Set;

import org.fudgemsg.FudgeMsg;
import org.fudgemsg.MutableFudgeMsg;
import org.fudgemsg.mapping.FudgeDeserializer;
import org.fudgemsg.mapping.FudgeSerializer;

import com.google.common.collect.ImmutableSet;
import com.opengamma.core.marketdatasnapshot.YieldCurveKey;

/**
 * A MarketDataSelector which specifies a yield curve to be shifted. Note that this
 * class is not responsible for specifying the actual manipulation to be done.
 */
public final class YieldCurveSelector extends ExactMatchMarketDataSelector<YieldCurveKey> {

    private static final String STRUCTURE_ID = "structureId";

    private YieldCurveSelector(YieldCurveKey yieldCurveKey) {
        this(StructureIdentifier.of(yieldCurveKey));
    }

    private YieldCurveSelector(StructureIdentifier<YieldCurveKey> structureId) {
        super(structureId);
    }

    /**
     * Construct a specification for the supplied yield curve key.
     *
     * @param yieldCurveKey the key of the yield curve to be shifted, not null
     * @return a new MarketDataSelector for the yield curve
     */
    public static DistinctMarketDataSelector of(YieldCurveKey yieldCurveKey) {
        return new YieldCurveSelector(yieldCurveKey);
    }

    @Override
    public Set<StructureType> getApplicableStructureTypes() {
        return ImmutableSet.of(StructureType.YIELD_CURVE);
    }

    public MutableFudgeMsg toFudgeMsg(final FudgeSerializer serializer) {
        final MutableFudgeMsg msg = serializer.newMessage();
        serializer.addToMessage(msg, STRUCTURE_ID, null, getStructureId());
        return msg;
    }

    @SuppressWarnings("unchecked")
    public static MarketDataSelector fromFudgeMsg(FudgeDeserializer deserializer, FudgeMsg msg) {
        StructureIdentifier structureId = deserializer.fieldValueToObject(StructureIdentifier.class,
                msg.getByName(STRUCTURE_ID));
        return new YieldCurveSelector(structureId);
    }
}