Package org.apache.orc.impl

Class TreeReaderFactory

java.lang.Object

org.apache.orc.impl.TreeReaderFactory

Direct Known Subclasses:

ConvertTreeReaderFactory

public class TreeReaderFactory
extends Object

Factory for creating ORC tree readers.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	TreeReaderFactory.BinaryTreeReader
static class	TreeReaderFactory.BooleanTreeReader
static class	TreeReaderFactory.BytesColumnVectorUtil
static class	TreeReaderFactory.ByteTreeReader
static class	TreeReaderFactory.CharTreeReader
static interface	TreeReaderFactory.Context
static class	TreeReaderFactory.DateTreeReader
static class	TreeReaderFactory.Decimal64TreeReader
static class	TreeReaderFactory.DecimalTreeReader
static class	TreeReaderFactory.DoubleTreeReader
static class	TreeReaderFactory.FloatTreeReader
static class	TreeReaderFactory.IntTreeReader
static class	TreeReaderFactory.ListTreeReader
static class	TreeReaderFactory.LongTreeReader
static class	TreeReaderFactory.MapTreeReader
static class	TreeReaderFactory.NullTreeReader
static class	TreeReaderFactory.ReaderContext
static class	TreeReaderFactory.ShortTreeReader
static class	TreeReaderFactory.StringDictionaryTreeReader	A reader for string columns that are dictionary encoded in the current stripe.
static class	TreeReaderFactory.StringDirectTreeReader	A reader for string columns that are direct encoded in the current stripe.
static class	TreeReaderFactory.StringTreeReader	A tree reader that will read string columns.
static class	TreeReaderFactory.StructTreeReader
static class	TreeReaderFactory.TimestampTreeReader
static class	TreeReaderFactory.TreeReader
static class	TreeReaderFactory.UnionTreeReader
static class	TreeReaderFactory.VarcharTreeReader

Constructor Summary

Constructors

Constructor	Description
TreeReaderFactory()

Method Summary

Modifier and Type	Method	Description
static BatchReader	createRootReader(TypeDescription readerType, TreeReaderFactory.Context context)
static TypeReader	createTreeReader(TypeDescription readerType, TreeReaderFactory.Context context)
static boolean	isDecimalAsLong(OrcFile.Version version, int precision)

Methods inherited from class java.lang.Object

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

Constructor Details

TreeReaderFactory

public TreeReaderFactory()

Method Details

createTreeReader

public static TypeReader createTreeReader(TypeDescription readerType,
 TreeReaderFactory.Context context)
                                   throws IOException

Throws:

IOException

isDecimalAsLong

public static boolean isDecimalAsLong(OrcFile.Version version,
 int precision)

createRootReader

public static BatchReader createRootReader(TypeDescription readerType,
 TreeReaderFactory.Context context)
                                    throws IOException

Throws:

IOException