/*
 *     This file is part of mongowp.
 *
 *     mongowp 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.
 *
 *     mongowp 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 mongowp. If not, see <http://www.gnu.org/licenses/>.
 *
 *     Copyright (c) 2014, 8Kdata Technology
 *     
 */


package com.eightkdata.mongowp.mongoserver.decoder;

import com.eightkdata.mongowp.messages.request.InsertMessage;
import com.eightkdata.mongowp.messages.request.RequestBaseMessage;
import com.eightkdata.mongowp.mongoserver.protocol.exceptions.InvalidNamespaceException;
import com.eightkdata.mongowp.mongoserver.util.ByteBufIterableDocumentProvider;
import com.eightkdata.mongowp.mongoserver.util.ByteBufUtil;
import com.eightkdata.mongowp.mongoserver.util.EnumBitFlags;
import com.eightkdata.mongowp.mongoserver.util.EnumInt32FlagsUtil;
import io.netty.buffer.ByteBuf;
import javax.annotation.Nonnegative;
import javax.inject.Singleton;

/**
 *
 */
@Singleton
public class InsertMessageDecoder extends AbstractMessageDecoder<InsertMessage> {
    @Override
    public @Nonnegative
    InsertMessage decode(ByteBuf buffer, RequestBaseMessage requestBaseMessage) throws InvalidNamespaceException {
        int flags = buffer.readInt();
        String fullCollectionName = ByteBufUtil.readCString(buffer);

        ByteBuf docBuf = buffer.slice(buffer.readerIndex(), buffer.readableBytes());
        docBuf.retain();

        buffer.readerIndex(buffer.writerIndex());

        ByteBufIterableDocumentProvider documents = new ByteBufIterableDocumentProvider(docBuf);

        return new InsertMessage(
                requestBaseMessage,
                getDatabase(fullCollectionName),
                getCollection(fullCollectionName),
                EnumInt32FlagsUtil.isActive(Flag.CONTINUE_ON_ERROR, flags),
                documents
        );
    }

    private enum Flag implements EnumBitFlags {
        CONTINUE_ON_ERROR(0);

        @Nonnegative private final int flagBitPosition;

        private Flag(@Nonnegative int flagBitPosition) {
            this.flagBitPosition = flagBitPosition;
        }

        @Override
        public int getFlagBitPosition() {
            return flagBitPosition;
        }
    }
}

@@ -1324,24 +1324,83 @@
 2FlagsUtil;%0A
+import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;%0A
 import io.ne
@@ -1602,24 +1602,215 @@
   @Override%0A
+    @SuppressFBWarnings(value = %7B%22RV_RETURN_VALUE_IGNORED_NO_SIDE_EFFECT%22%7D,%0A            justification = %22Findbugs thinks ByteBuf#readerIndex(...) has no%22%0A                    + %22side effect%22)%0A
     public @

Suppressed a findbugs false positive