Examples with Record org.apache.jena.dboe.base.record.Record used on opensource projects

Example 11 with Record

use of org.apache.jena.dboe.base.record.Record in project jena by apache.

the class BPTreeNode method shiftLeft.

private void shiftLeft(BPTreePage left, BPTreePage right, int i) {
    if (logging(log)) {
        log(log, ">> shiftLeft: this:  %s", this);
        log(log, ">> shiftLeft: left:  %s", left);
        log(log, ">> shiftLeft: right: %s", right);
    }
    Record r1 = records.get(i);
    Record r2 = left.shiftLeft(right, r1);
    r2 = keyRecord(r2);
    this.records.set(i, r2);
    left.write();
    right.write();
    // Do this later - this.put();
    if (logging(log)) {
        log(log, "<< shiftLeft: this:  %s", this);
        log(log, "<< shiftLeft: left:  %s", left);
        log(log, "<< shiftLeft: right: %s", right);
    }
}

Example 12 with Record

use of org.apache.jena.dboe.base.record.Record in project jena by apache.

the class BPTreeNode method getSplitKey.

@Override
final Record getSplitKey() {
    int ix = params.SplitIndex;
    Record split = records.get(ix);
    return split;
}

Example 13 with Record

use of org.apache.jena.dboe.base.record.Record in project jena by apache.

the class BPTreeNode method shiftLeft.

@Override
Record shiftLeft(BPTreePage other, Record splitKey) {
    BPTreeNode node = cast(other);
    if (BPT.CheckingNode) {
        if (count == 0)
            BPT.error("Node is empty - can't shift a slot out");
        if (isFull())
            BPT.error("Destination node is full");
    }
    Record r = node.records.getLow();
    // Records: promote moving element, replace with splitKey
    this.records.add(splitKey);
    node.records.shiftDown(0);
    // Pointers just shift
    this.ptrs.shiftLeft(node.ptrs);
    this.count++;
    node.count--;
    return r;
}

Example 14 with Record

use of org.apache.jena.dboe.base.record.Record in project jena by apache.

the class BPTreeNode method internalSearch.

// ============ SEARCH
/*
     * Do a (binary) search of the node to find the record.
     *   Returns:
     *     +ve or 0 => the index of the record
     *     -ve => The insertion point : the immediate higher record or length as (-i-1)
     *  Convert to +ve and decend to find the RecordBuffer with the record in it.
     */
@Override
final Record internalSearch(AccessPath path, Record rec) {
    if (BPT.CheckingNode)
        internalCheckNode();
    BPTreePage page = findHere(path, rec);
    Record r = page.internalSearch(path, rec);
    page.release();
    return r;
}

Example 15 with Record

use of org.apache.jena.dboe.base.record.Record in project jena by apache.

the class BPTreeRecords method internalDelete.

@Override
Record internalDelete(AccessPath path, Record record) {
    int i = rBuff.find(record);
    if (i < 0)
        return null;
    promotePage(path, this);
    Record r2 = rBuff.get(i);
    rBuff.remove(i);
    write();
    return r2;
}