Examples of com.mobixess.jodb.core.io.ObjectDataContainer.readHeader()

Class com.mobixess.jodb.core.io.ObjectDataContainer

Examples of com.mobixess.jodb.core.io.ObjectDataContainer.readHeader()

com.mobixess.jodb.core.io.ObjectDataContainer.readHeader()
@param ioTicket @return true if object deleted @throws IOException

            DataContainersCache dataContainersCache = TransactionUtils.getObjectDataContainerCache();
            ObjectDataContainer existingObjectHeaderData =  dataContainersCache.pullObjectDataContainer();// tContainer.getTempObjectDataContainer();


            //ioTicket.getRandomAccessBuffer().seek(tHandle.getHandle().getObjectEntryOffset());
            //JODBIOUtils.readObjectHeader(ioTicket, existingObjectHeaderData, false);
            existingObjectHeaderData.readHeader(ioTicket.getRandomAccessBuffer(),tHandle.getHandle().getObjectEntryOffset(), false);
            tHandle.setTransactionOffset(existingObjectHeaderData.getOffset());//JODBIOUtils.addAbsoluteOffsetIdentifierBit(existingObjectHeaderData.getOffset()));//if object already existed than alvays point to initial object position
            long redirectorOffset = existingObjectHeaderData.isRedirection()?existingObjectHeaderData.getOffset():-1;
            if(objectBodyLength > existingObjectHeaderData.getBodyLength() || fieldsWithRelativeAddr.size() > 0 ){
                if( existingObjectHeaderData.isRedirection() ){
                    //redirection entry space is too small, let see what is under redirection offset

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                if( existingObjectHeaderData.isRedirection() ){
                    //redirection entry space is too small, let see what is under redirection offset
                    //ioTicket.getRandomAccessBuffer().seek(existingObjectHeaderData.getRedirectionOffset());
                    long existingObjectRedirectionOffset = existingObjectHeaderData.getRedirectionOffset();
                    existingObjectHeaderData.reset();
                    existingObjectHeaderData.readHeader(ioTicket.getRandomAccessBuffer(), existingObjectRedirectionOffset, true);
                    //JODBIOUtils.readObjectHeader(ioTicket, existingObjectHeaderData, true);
                }
            }


            if(objectBodyLength <= existingObjectHeaderData.getBodyLength() && fieldsWithRelativeAddr.size() == 0){

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        //ioTicket.getRandomAccessBuffer().seek(persistentObjectOffset);
        IRandomAccessDataBuffer replacementsFile =  tContainer.getTransactionReplacementsDataFile();
        DataContainersCache dataContainersCache = TransactionUtils.getObjectDataContainerCache();
        ObjectDataContainer container = dataContainersCache.pullObjectDataContainer();
        //JODBIOUtils.readObjectHeader(ioTicket, container, false);
        container.readHeader(ioTicket.getRandomAccessBuffer(),persistentObjectOffset, false);
        replacementsFile.writeByte(TRANSACTION_REPLACEMENT_ENTRY_TYPE_STATIC);
        replacementsFile.writeLong(persistentObjectOffset);//write offset of object to replace
        replacementsFile.writeLong(0);//reserving space for entry's length
        long entryOffsetStart = replacementsFile.getCursorOffset();
        TransactionUtils.writeEmptyObjectEntry(replacementsFile , container.getBodyLength());

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                if(value == null){//if object under the persistent offset is delete than we continue itteration
                    if(fieldRecord._objectOffset != 0){
                        DataContainersCache dataContainersCache = TransactionUtils.getObjectDataContainerCache();
                        ObjectDataContainer referencedObjectDataContainer =  dataContainersCache.pullObjectDataContainer();
                        try {
                            referencedObjectDataContainer.readHeader(context.getIoTicket().getRandomAccessBuffer(), fieldRecord._objectOffset, true);
                            if(!referencedObjectDataContainer.isDeleted()){
                                return false;
                            }
                        } finally {
                            dataContainersCache.pushObjectDataContainer(referencedObjectDataContainer);

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