com.torodb.kvdocument.conversion.mongowp.ToBsonValueTranslator 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, BsonValue> {
private ToBsonValueTranslator() {}
@Override
public BsonValue apply(@Nonnull KvValue kvValue) {
return kvValue.accept(this, null);
}
public static ToBsonValueTranslator getInstance() {
return ToBsonValueTranslatorHolder.INSTANCE;
}
@Override
public BsonValue visit(KvBoolean value, Void arg) {
return newBoolean(value.getPrimitiveValue());
}
@Override
public BsonValue visit(KvNull value, Void arg) {
return DefaultBsonValues.NULL;
}
@Override
public BsonValue visit(KvArray value, Void arg) {
List> list = new ArrayList<>(value.size());
for (KvValue kVValue : value) {
list.add(kVValue.accept(this, arg));
}
return newArray(list);
}
@Override
public BsonValue visit(KvInteger value, Void arg) {
return newInt(value.intValue());
}
@Override
public BsonValue visit(KvLong value, Void arg) {
return newLong(value.longValue());
}
@Override
public BsonValue visit(KvDouble value, Void arg) {
return newDouble(value.doubleValue());
}
@Override
public BsonValue visit(KvString value, Void arg) {
return newString(value.getValue());
}
@Override
public BsonValue visit(KvDocument value, Void arg) {
List> entryList = new ArrayList<>(value.size());
for (DocEntry docEntry : value) {
entryList.add(new SimpleEntry<>(docEntry.getKey(), docEntry.getValue().accept(this, arg)));
}
return newDocument(entryList);
}
@Override
public BsonValue visit(KvMongoObjectId value, Void arg) {
return new ByteArrayBsonObjectId(value.getArrayValue());
}
@Override
public BsonValue visit(KvInstant value, Void arg) {
return new LongBsonDateTime(value.getMillisFromUnix());
}
@Override
public BsonValue visit(KvDate value, Void arg) {
List> entryList = new ArrayList<>(2);
entryList.add(new SimpleEntry<>("type", newString("KVDate")));
entryList.add(
new SimpleEntry<>("value", newString(value.getValue().format(DateTimeFormatter.ISO_DATE))));
return newDocument(entryList);
}
@Override
public BsonValue visit(KvTime value, Void arg) {
List> entryList = new ArrayList<>(2);
entryList.add(new SimpleEntry<>("type", newString("KVTime")));
entryList.add(
new SimpleEntry<>("value", newString(value.getValue().format(DateTimeFormatter.ISO_TIME))));
return newDocument(entryList);
}
@Override
public BsonBinary visit(KvBinary value, Void arg) {
BinarySubtype subtype;
switch (value.getSubtype()) {
case MONGO_FUNCTION:
subtype = BinarySubtype.FUNCTION;
break;
case MONGO_GENERIC:
subtype = BinarySubtype.GENERIC;
break;
case MONGO_MD5:
subtype = BinarySubtype.MD5;
break;
case MONGO_OLD_BINARY:
subtype = BinarySubtype.OLD_BINARY;
break;
case MONGO_OLD_UUID:
subtype = BinarySubtype.OLD_UUID;
break;
case MONGO_USER_DEFINED:
subtype = BinarySubtype.USER_DEFINED;
break;
case MONGO_UUID:
subtype = BinarySubtype.UUID;
break;
case UNDEFINED:
subtype = BinarySubtype.USER_DEFINED;
break;
default:
throw new AssertionError("It is not defined how to translate "
+ "the binary subtype " + value.getSubtype() + " to"
+ "MongoDB binaries subtypes");
}
byte byteType = value.getCategory();
return new ByteArrayBsonBinary(subtype, byteType, value.getByteSource().read());
}
@Override
public BsonTimestamp visit(KvMongoTimestamp value, Void arg) {
return new DefaultBsonTimestamp(value.getSecondsSinceEpoch(), value.getOrdinal());
}
@Override
public BsonValue visit(KvDecimal128 value, Void arg) {
return newDecimal128(value.getHigh(), value.getLow());
}
@Override
public BsonJavaScript visit(KvMongoJavascript value, Void arg) {
return new DefaultBsonJavaScript(value.getValue());
}
@Override
public DefaultBsonJavaScriptWithCode visit(KvMongoJavascriptWithScope value, Void arg) {
//We don't support this because our string
throw new UnsupportedBsonTypeException(BsonType.JAVA_SCRIPT_WITH_SCOPE);
}
@Override
public BsonMin visit(KvMinKey value, Void arg) {
return SimpleBsonMin.getInstance();
}
@Override
public BsonMax visit(KvMaxKey value, Void arg) {
return SimpleBsonMax.getInstance();
}
@Override
public BsonUndefined visit(KvUndefined value, Void arg) {
return SimpleBsonUndefined.getInstance();
}
@Override
public BsonRegex visit(KvMongoRegex value, Void arg) {
return new DefaultBsonRegex(value.getOptionsAsText(), value.getPattern());
}
@Override
public BsonDbPointer visit(KvMongoDbPointer value, Void arg) {
return new DefaultBsonDbPointer(value.getNamespace(), (BsonObjectId) visit(value.getId(), arg));
}
@Override
public BsonValue visit(KvDeprecated value, Void arg) {
return new StringBsonDeprecated(value.getValue());
}
private static class ToBsonValueTranslatorHolder {
private static final ToBsonValueTranslator INSTANCE = new ToBsonValueTranslator();
}
//@edu.umd.cs.findbugs.annotations.SuppressFBWarnings(value = "UPM_UNCALLED_PRIVATE_METHOD")
private Object readResolve() {
return ToBsonValueTranslator.getInstance();
}
}
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