com.torodb.kvdocument.conversion.mongowp.FromBsonValueTranslator Maven / Gradle / Ivy
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/*
* ToroDB
* Copyright © 2014 8Kdata Technology (www.8kdata.com)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see , Void>, Function, KvValue> {
private FromBsonValueTranslator() {}
public static FromBsonValueTranslator getInstance() {
return FromBsonValueTranslatorHolder.INSTANCE;
}
@Override
public KvValue apply(BsonValue bsonValue) {
return bsonValue.accept(this, null);
}
@Override
public KvValue visit(BsonArray value, Void arg) {
return MongoWpConverter.toEagerArray(value);
}
@Override
public KvValue visit(BsonBinary value, Void arg) {
KvBinarySubtype subtype;
switch (value.getSubtype()) {
case FUNCTION:
subtype = KvBinarySubtype.MONGO_FUNCTION;
break;
case GENERIC:
subtype = KvBinarySubtype.MONGO_GENERIC;
break;
case MD5:
subtype = KvBinarySubtype.MONGO_MD5;
break;
case OLD_BINARY:
subtype = KvBinarySubtype.MONGO_OLD_BINARY;
break;
case OLD_UUID:
subtype = KvBinarySubtype.MONGO_OLD_UUID;
break;
case USER_DEFINED:
subtype = KvBinarySubtype.MONGO_USER_DEFINED;
break;
case UUID:
subtype = KvBinarySubtype.MONGO_UUID;
break;
default:
subtype = KvBinarySubtype.UNDEFINED;
break;
}
return new ByteSourceKvBinary(
subtype, value.getNumericSubType(), value.getByteSource().getDelegate());
}
@Override
public KvValue visit(BsonDbPointer value, Void arg) {
return KvMongoDbPointer.of(value.getNamespace(), (KvMongoObjectId) visit(value.getId(), arg));
}
@Override
public KvValue visit(BsonDateTime value, Void arg) {
if (value instanceof InstantBsonDateTime) {
return new InstantKvInstant(value.getValue());
}
return new LongKvInstant(value.getMillisFromUnix());
}
@Override
public KvValue visit(BsonDocument value, Void arg) {
return MongoWpConverter.toEagerDocument(value);
}
@Override
public KvValue visit(BsonDouble value, Void arg) {
return KvDouble.of(value.doubleValue());
}
@Override
public KvValue visit(BsonInt32 value, Void arg) {
return KvInteger.of(value.intValue());
}
@Override
public KvValue visit(BsonInt64 value, Void arg) {
return KvLong.of(value.longValue());
}
@Override
public KvValue visit(BsonBoolean value, Void arg) {
if (value.getPrimitiveValue()) {
return KvBoolean.TRUE;
}
return KvBoolean.FALSE;
}
@Override
public KvValue visit(BsonJavaScript value, Void arg) {
return KvMongoJavascript.of(value.getValue());
}
@Override
public KvValue visit(BsonJavaScriptWithScope value, Void arg) {
return KvMongoJavascriptWithScope.of(
value.getJavaScript(), (KvDocument) visit(value.getScope(), arg));
}
@Override
public KvValue visit(BsonMax value, Void arg) {
return KvMaxKey.getInstance();
}
@Override
public KvValue visit(BsonMin value, Void arg) {
return KvMinKey.getInstance();
}
@Override
public KvValue visit(BsonNull value, Void arg) {
return KvNull.getInstance();
}
@Override
public KvValue visit(BsonObjectId value, Void arg) {
return new ByteArrayKvMongoObjectId(value.toByteArray());
}
@Override
public KvValue visit(BsonRegex value, Void arg) {
return KvMongoRegex.of(value.getPattern(), value.getOptionsAsText());
}
@Override
public KvValue visit(BsonString value, Void arg) {
return new BsonKvString(value);
}
@Override
public KvValue visit(BsonUndefined value, Void arg) {
return KvUndefined.getInstance();
}
@Override
public KvValue visit(BsonTimestamp value, Void arg) {
return new DefaultKvMongoTimestamp(value.getSecondsSinceEpoch(), value.getOrdinal());
}
@Override
public KvValue visit(BsonDeprecated value, Void arg) {
return KvDeprecated.of(value.getValue());
}
@Override
public KvValue visit(BsonDecimal128 value, Void arg) {
return KvDecimal128.of(value.getHigh(), value.getLow());
}
private static class FromBsonValueTranslatorHolder {
private static final FromBsonValueTranslator INSTANCE = new FromBsonValueTranslator();
}
//@edu.umd.cs.findbugs.annotations.SuppressFBWarnings(value = "UPM_UNCALLED_PRIVATE_METHOD")
private Object readResolve() {
return FromBsonValueTranslator.getInstance();
}
}
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