Examples of org.chaidb.db.log.logrecord.BTreeSpecLogRecord.log()

Class org.chaidb.db.log.logrecord.BTreeSpecLogRecord

Examples of org.chaidb.db.log.logrecord.BTreeSpecLogRecord.log()

org.chaidb.db.log.logrecord.BTreeSpecLogRecord.log()
user interface to add a log record and put it to buffer pool

                oldPage = new PageNumber(BTreeSpec.INVALID_PAGENO);
            }


            if (oldPage.getPageNumber() != newPage.getPageNumber()) {
                BTreeSpecLogRecord logRec = new BTreeSpecLogRecord(treeid, oldPage.getPageNumber(), newPage.getPageNumber(), BTreeSpecLogRecord.LATEST_DATA_PAGE_NUMBER_FLAG, uid, docid, ob.btree.getType());
                logRec.log();
            }


            if (Debug.DEBUG_RESOURCE_CONTROL_BLOCK) {
                logger.fatal(Integer.toHexString(uid) + " New LDP" + newPage.toHexString());
            }

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                oldPage = new PageNumber(BTreeSpec.INVALID_PAGENO);
            }


            if (!oldPage.equ(pNumber)) {
                BTreeSpecLogRecord logRec = new BTreeSpecLogRecord(pNumber.getTreeId(), oldPage.getPageNumber(), pNumber.getPageNumber(), BTreeSpecLogRecord.LATEST_DATA_PAGE_NUMBER_FLAG, uid, docid, ob.btree.getType());
                logRec.log();
            }
        }


        /**
         * Release all resources occupied by this txn after it ends

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    }


    public void updateRootOnMetaPage(PageNumber root, KernelContext kContext) throws ChaiDBException {
        if (kContext != null && kContext.getNeedLog()) {
            BTreeSpecLogRecord logRec = new BTreeSpecLogRecord(id, getBTreeSpec().getRootPageNumber().getPageNumber(), root.getPageNumber(), BTreeSpecLogRecord.ROOT_PAGE_NUMBER_FLAG, kContext.getLocker(), getType());
            logRec.log();
        }
        getBTreeSpec().setRootPageNumber(root);
    }


    public Object decodeFromByteArray(byte[] bytes, Key key) throws ChaiDBException {

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        p = new PageNumber(oldPageNumber);
        p.add(1);
        if (kc != null && kc.getNeedLog()) {
            BTreeSpecLogRecord logRec = new BTreeSpecLogRecord(btree.getBtreeId(), pageNumber.getPageNumber(), p.getPageNumber(), BTreeSpecLogRecord.PAGE_NUMBER_FLAG, kc.getLocker(), btree.getType());
            logRec.log();
        }
        pageNumber.setPageNumber(p);
        return oldPageNumber;
    }

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          I'd prefer to control it at upper level, createIndex
        */


        if (kc != null && kc.getNeedLog()) {
            BTreeSpecLogRecord logRec = new BTreeSpecLogRecord(btree.getBtreeId(), internalNodeSize, nodeSize, BTreeSpecLogRecord.NODE_SIZE_FLAG, kc.getLocker(), btree.getType());
            logRec.log();
        }
    }


    /**
     * Set layer of a BTree. This is only called when this BTree is firstly created!

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     */
    public void setLayer(byte layers, KernelContext kc) throws ChaiDBException {
        if (layers > 0 && layers != this.layers) {
            if (kc != null && kc.getNeedLog()) {
                BTreeSpecLogRecord logRec = new BTreeSpecLogRecord(btree.getBtreeId(), this.layers, layers, BTreeSpecLogRecord.LAYER_FLAG, kc.getLocker(), btree.getType());
                logRec.log();
            }
            this.layers = layers;
        }
    }

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        }


        if (needLog) {
            BTreeSpecLogRecord logRec = new BTreeSpecLogRecord(id, subRoot == null ? -1 : subRoot.getPageNumber(), docRoot.getPageNumber(), BTreeSpecLogRecord.DOC_ROOT_PAGE_NUMBER_FLAG, txnId, docID, IDBIndex.ID2NODE_BTREE);
            logRec.log();
        }


        docRoot.setTreeId(id);
        if (subRoot == null) id2root.put(idocID, docRoot);
        else subRoot.setPageNumber(docRoot);

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