org.apache.ignite.internal.processors.cache.persistence

Interface PageStoreWriter

All Known Implementing Classes:

DelayedDirtyPageStoreWrite

public interface PageStoreWriter

Interface for write page to PageStore.

Method Summary

Modifier and Type	Method and Description
void	writePage(FullPageId fullPageId, ByteBuffer buf, int tag) Callback for write page.

Method Detail

writePage

void writePage(FullPageId fullPageId,
               ByteBuffer buf,
               int tag)
        throws IgniteCheckedException

Callback for write page. PageMemoryEx will copy page content to buffer before call.

Parameters:

fullPageId - Page ID to get byte buffer for. The page ID must be present in the collection returned by the PageMemoryEx.beginCheckpoint(IgniteInternalFuture) method call.

buf - Temporary buffer to write changes into.

tag - Partition generation if data was read, null otherwise (data already saved to storage).

Throws:

IgniteCheckedException - If write page failed.