Examples with ITreeIndexFrame org.apache.hyracks.storage.am.common.api.ITreeIndexFrame used on opensource projects

Example 6 with ITreeIndexFrame

use of org.apache.hyracks.storage.am.common.api.ITreeIndexFrame in project asterixdb by apache.

the class VirtualFreePageManager method init.

@Override
public void init(ITreeIndexFrameFactory interiorFrameFactory, ITreeIndexFrameFactory leafFrameFactory) throws HyracksDataException {
    currentPageId.set(1);
    ICachedPage page = bufferCache.pin(BufferedFileHandle.getDiskPageId(fileId, 0), true);
    page.acquireWriteLatch();
    page.releaseWriteLatch(false);
    bufferCache.unpin(page);
    page = bufferCache.pin(BufferedFileHandle.getDiskPageId(fileId, currentPageId.get()), true);
    if (leafFrameFactory != null) {
        page.acquireWriteLatch();
        ITreeIndexFrame leafFrame = leafFrameFactory.createFrame();
        leafFrame.setPage(page);
        leafFrame.initBuffer((byte) 0);
        page.releaseWriteLatch(true);
    }
    bufferCache.unpin(page);
}