/**
* Copyright (C) 2009 - present by OpenGamma Inc. and the OpenGamma group of companies
*
* Please see distribution for license.
*/
package com.opengamma.util.tuple;
import org.fudgemsg.FudgeField;
import org.fudgemsg.FudgeMsg;
import org.fudgemsg.MutableFudgeMsg;
import org.fudgemsg.mapping.FudgeBuilder;
import org.fudgemsg.mapping.FudgeDeserializer;
import org.fudgemsg.mapping.FudgeSerializer;
import org.fudgemsg.mapping.GenericFudgeBuilderFor;
import org.fudgemsg.wire.types.FudgeWireType;
/**
* Fudge builder for {@code ObjectsPair}.
*/
@GenericFudgeBuilderFor(ObjectsPair.class)
public final class ObjectsPairFudgeBuilder implements FudgeBuilder<ObjectsPair<?, ?>> {
/** Field name. */
public static final String FIRST_FIELD_NAME = "first";
/** Field name. */
public static final String SECOND_FIELD_NAME = "second";
@Override
public MutableFudgeMsg buildMessage(FudgeSerializer serializer, ObjectsPair<?, ?> object) {
final MutableFudgeMsg msg = serializer.newMessage();
if (object.getFirst() != null) {
if (object.getFirst() instanceof String) {
msg.add(FIRST_FIELD_NAME, null, FudgeWireType.STRING, object.getFirst());
} else {
serializer.addToMessageObject(msg, FIRST_FIELD_NAME, null, object.getFirst(), Object.class);
}
}
if (object.getSecond() != null) {
if (object.getSecond() instanceof String) {
msg.add(SECOND_FIELD_NAME, null, FudgeWireType.STRING, object.getSecond());
} else {
serializer.addToMessageObject(msg, SECOND_FIELD_NAME, null, object.getSecond(), Object.class);
}
}
return msg;
}
public static <K, V> MutableFudgeMsg buildMessage(final FudgeSerializer serializer, final Pair<? extends K, ? extends V> object, final Class<K> baseK, final Class<V> baseV) {
final MutableFudgeMsg msg = serializer.newMessage();
if (object.getFirst() != null) {
serializer.addToMessageWithClassHeaders(msg, FIRST_FIELD_NAME, null, object.getFirst(), baseK);
}
if (object.getSecond() != null) {
serializer.addToMessageWithClassHeaders(msg, SECOND_FIELD_NAME, null, object.getSecond(), baseV);
}
return msg;
}
@Override
public ObjectsPair<?, ?> buildObject(FudgeDeserializer deserializer, FudgeMsg msg) {
Object first;
if (msg.hasField(FIRST_FIELD_NAME)) {
first = deserializer.fieldValueToObject(msg.getByName(FIRST_FIELD_NAME));
} else {
first = null;
}
Object second;
if (msg.hasField(SECOND_FIELD_NAME)) {
second = deserializer.fieldValueToObject(msg.getByName(SECOND_FIELD_NAME));
} else {
second = null;
}
return ObjectsPair.of(first, second);
}
public static <K, V> ObjectsPair<K, V> buildObject(final FudgeDeserializer deserializer, final FudgeMsg msg, final Class<K> baseK, final Class<V> baseV) {
FudgeField field = msg.getByName(FIRST_FIELD_NAME);
final K first = (field != null) ? deserializer.fieldValueToObject(baseK, field) : null;
field = msg.getByName(SECOND_FIELD_NAME);
final V second = (field != null) ? deserializer.fieldValueToObject(baseV, field) : null;
return ObjectsPair.of(first, second);
}
}