/**
* Copyright (C) 2009 - present by OpenGamma Inc. and the OpenGamma group of companies
*
* Please see distribution for license.
*/
package com.opengamma.core.marketdatasnapshot.impl;
import java.util.Map;
import org.fudgemsg.FudgeField;
import org.fudgemsg.FudgeMsg;
import org.fudgemsg.MutableFudgeMsg;
import org.fudgemsg.mapping.FudgeBuilder;
import org.fudgemsg.mapping.FudgeBuilderFor;
import org.fudgemsg.mapping.FudgeDeserializer;
import org.fudgemsg.mapping.FudgeSerializer;
import com.opengamma.core.marketdatasnapshot.ValueSnapshot;
import com.opengamma.id.ExternalIdBundle;
/**
* Fudge message builder for {@link ManageableUnstructuredMarketDataSnapshot}
*
* <pre>
* message {
* repeated message { // set
* ExternalIdBundle identifiers;
* string valueName;
* ValueSnapshot value;
* } value = 1;
* }
* </pre>
*/
@FudgeBuilderFor(ManageableUnstructuredMarketDataSnapshot.class)
public class ManageableUnstructuredMarketDataSnapshotBuilder implements FudgeBuilder<ManageableUnstructuredMarketDataSnapshot> {
/** Field name. */
public static final String IDENTIFIERS_FIELD_NAME = "identifiers";
/** Field name. */
public static final String VALUE_NAME_FIELD_NAME = "valueName";
/** Field name. */
public static final String VALUE_FIELD_NAME = "value";
// TODO: This is not the most efficient representation. Either keep the repeat and use a 3-tuple approach rather
// than a set for the outer message, or use a map of value specs to a map of names and values. Which is the more
// concise depends on how likely there are to be multiple named values for each given specification.
@Override
public MutableFudgeMsg buildMessage(final FudgeSerializer serializer, final ManageableUnstructuredMarketDataSnapshot object) {
final MutableFudgeMsg ret = serializer.newMessage();
for (final ExternalIdBundle target : object.getTargets()) {
for (final Map.Entry<String, ValueSnapshot> targetEntry : object.getTargetValues(target).entrySet()) {
final MutableFudgeMsg msg = serializer.newMessage();
serializer.addToMessage(msg, IDENTIFIERS_FIELD_NAME, null, target);
serializer.addToMessage(msg, VALUE_NAME_FIELD_NAME, null, targetEntry.getKey());
serializer.addToMessage(msg, VALUE_FIELD_NAME, null, targetEntry.getValue());
ret.add(1, msg);
}
}
return ret;
}
@Override
public ManageableUnstructuredMarketDataSnapshot buildObject(final FudgeDeserializer deserializer, final FudgeMsg message) {
final ManageableUnstructuredMarketDataSnapshot object = new ManageableUnstructuredMarketDataSnapshot();
for (final FudgeField fudgeField : message.getAllByOrdinal(1)) {
final FudgeMsg innerValue = (FudgeMsg) fudgeField.getValue();
final ExternalIdBundle identifiers = deserializer.fieldValueToObject(ExternalIdBundle.class, innerValue.getByName(IDENTIFIERS_FIELD_NAME));
final String valueName = innerValue.getFieldValue(String.class, innerValue.getByName(VALUE_NAME_FIELD_NAME));
final FudgeField valueField = innerValue.getByName(VALUE_FIELD_NAME);
final ValueSnapshot value = valueField == null ? null : deserializer.fieldValueToObject(ValueSnapshot.class, valueField);
object.putValue(identifiers, valueName, value);
}
return object;
}
}