org.apache.hadoop.zebra.types

Class CGSchema

java.lang.Object

org.apache.hadoop.zebra.types.CGSchema

public class CGSchema
extends Object

ColumnGroup Schema. This object is first written to a schema file when the ColumnGroup is initially created, and is used to communicate meta information among writers.

Constructor Summary

Constructors

Constructor and Description
CGSchema()
CGSchema(Schema schema, boolean sorted, String comparator)
CGSchema(Schema schema, boolean sorted, String comparator, String name, String serializer, String compressor, String owner, String group, short perm)

Method Summary

Methods

Modifier and Type	Method and Description
void	create(org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.fs.Path parent)
static void	drop(org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.fs.Path parent)
boolean	equals(Object obj)
static boolean	exists(org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.fs.Path parent)
String	getComparator()
String	getCompressor()
String	getGroup()
String	getName()
String	getOwner()
short	getPerm()
Schema	getSchema()
String	getSerializer()
boolean	isSorted()
static CGSchema	load(org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.fs.Path parent)
static org.apache.hadoop.fs.Path	makeFilePath(org.apache.hadoop.fs.Path parent)
void	read(org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.fs.Path parent)
void	setName(String newName)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

CGSchema

public CGSchema()

CGSchema

public CGSchema(Schema schema,
        boolean sorted,
        String comparator)

CGSchema

public CGSchema(Schema schema,
        boolean sorted,
        String comparator,
        String name,
        String serializer,
        String compressor,
        String owner,
        String group,
        short perm)

Method Detail

toString

public String toString()

Overrides:

toString in class Object

makeFilePath

public static org.apache.hadoop.fs.Path makeFilePath(org.apache.hadoop.fs.Path parent)

load

public static CGSchema load(org.apache.hadoop.fs.FileSystem fs,
            org.apache.hadoop.fs.Path parent)
                     throws IOException,
                            ParseException

Throws:

IOException

ParseException

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

exists

public static boolean exists(org.apache.hadoop.fs.FileSystem fs,
             org.apache.hadoop.fs.Path parent)

drop

public static void drop(org.apache.hadoop.fs.FileSystem fs,
        org.apache.hadoop.fs.Path parent)
                 throws IOException

Throws:

IOException

isSorted

public boolean isSorted()

getComparator

public String getComparator()

getName

public String getName()

setName

public void setName(String newName)

getSerializer

public String getSerializer()

getCompressor

public String getCompressor()

getGroup

public String getGroup()

getPerm

public short getPerm()

getOwner

public String getOwner()

create

public void create(org.apache.hadoop.fs.FileSystem fs,
          org.apache.hadoop.fs.Path parent)
            throws IOException

Throws:

IOException

read

public void read(org.apache.hadoop.fs.FileSystem fs,
        org.apache.hadoop.fs.Path parent)
          throws IOException,
                 ParseException

Throws:

IOException

ParseException

getSchema

public Schema getSchema()