com.facebook.presto.spi.page

Class PagesSerdeUtil

java.lang.Object

com.facebook.presto.spi.page.PagesSerdeUtil

public class PagesSerdeUtil
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static int	PAGE_METADATA_SIZE

Method Summary

Modifier and Type	Method and Description
static long	computeSerializedPageChecksum(io.airlift.slice.Slice pageData, byte markers, int positionCount, int uncompressedSize)
static boolean	isChecksumValid(SerializedPage serializedPage)
static Iterator<Page>	readPages(PagesSerde serde, io.airlift.slice.SliceInput sliceInput)
static SerializedPage	readSerializedPage(io.airlift.slice.SliceInput sliceInput)
static Iterator<SerializedPage>	readSerializedPages(io.airlift.slice.SliceInput sliceInput)
static long	writePages(PagesSerde serde, io.airlift.slice.SliceOutput sliceOutput, Iterator<Page> pages)
static long	writePages(PagesSerde serde, io.airlift.slice.SliceOutput sliceOutput, Page... pages)
static void	writeSerializedPage(io.airlift.slice.SliceOutput output, SerializedPage page)
static void	writeSerializedPageMetadata(io.airlift.slice.SliceOutput output, SerializedPage page)
static long	writeSerializedPages(io.airlift.slice.SliceOutput sliceOutput, Iterable<SerializedPage> pages)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

PAGE_METADATA_SIZE

public static final int PAGE_METADATA_SIZE

See Also:

Constant Field Values

Method Detail

writeSerializedPage

public static void writeSerializedPage(io.airlift.slice.SliceOutput output,
                                       SerializedPage page)

writeSerializedPageMetadata

public static void writeSerializedPageMetadata(io.airlift.slice.SliceOutput output,
                                               SerializedPage page)

readSerializedPage

public static SerializedPage readSerializedPage(io.airlift.slice.SliceInput sliceInput)

writeSerializedPages

public static long writeSerializedPages(io.airlift.slice.SliceOutput sliceOutput,
                                        Iterable<SerializedPage> pages)

computeSerializedPageChecksum

public static long computeSerializedPageChecksum(io.airlift.slice.Slice pageData,
                                                 byte markers,
                                                 int positionCount,
                                                 int uncompressedSize)

isChecksumValid

public static boolean isChecksumValid(SerializedPage serializedPage)

writePages

public static long writePages(PagesSerde serde,
                              io.airlift.slice.SliceOutput sliceOutput,
                              Page... pages)

writePages

public static long writePages(PagesSerde serde,
                              io.airlift.slice.SliceOutput sliceOutput,
                              Iterator<Page> pages)

readPages

public static Iterator<Page> readPages(PagesSerde serde,
                                       io.airlift.slice.SliceInput sliceInput)

readSerializedPages

public static Iterator<SerializedPage> readSerializedPages(io.airlift.slice.SliceInput sliceInput)