org.apache.drill.exec.vector.accessor

Class BoundCheckingAccessor

java.lang.Object

org.apache.drill.exec.vector.accessor.BoundCheckingAccessor

All Implemented Interfaces:

SqlAccessor

public class BoundCheckingAccessor
extends Object
implements SqlAccessor

A decorating accessor that returns null for indices that is beyond underlying vector's capacity.

Constructor Summary

Constructors

Constructor and Description
BoundCheckingAccessor(ValueVector vector, SqlAccessor inner)

Method Summary

Methods

Modifier and Type	Method and Description
BigDecimal	getBigDecimal(int rowOffset) (See class description.)
boolean	getBoolean(int rowOffset) (See class description.)
byte	getByte(int rowOffset) (See class description.)
byte[]	getBytes(int rowOffset) (See class description.)
char	getChar(int rowOffset) (See class description.)
Date	getDate(int rowOffset) (See class description.)
double	getDouble(int rowOffset) (See class description.)
float	getFloat(int rowOffset) (See class description.)
int	getInt(int rowOffset) (See class description.)
long	getLong(int rowOffset) (See class description.)
Object	getObject(int rowOffset) Returns an instance sitting at the given index if exists, null otherwise.
Class<?>	getObjectClass() Reports the class returned by getObject() of this accessor.
Reader	getReader(int rowOffset) (See class description.)
short	getShort(int rowOffset) (See class description.)
InputStream	getStream(int rowOffset) (See class description.)
String	getString(int rowOffset) (See class description.)
Time	getTime(int rowOffset) (See class description.)
Timestamp	getTimestamp(int rowOffset) (See class description.)
TypeProtos.MajorType	getType() Reports the (native) type of data accessed by this accessor.
boolean	isNull(int rowOffset) Reports whether the logical value is a SQL NULL.

Methods inherited from class java.lang.Object

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

Constructor Detail

BoundCheckingAccessor

public BoundCheckingAccessor(ValueVector vector,
                     SqlAccessor inner)

Method Detail

getType

public TypeProtos.MajorType getType()

Description copied from interface: SqlAccessor

Reports the (native) type of data accessed by this accessor.

(Some implementations may support more than just the minimum getType(...) method implied by the type.

Specified by:

getType in interface SqlAccessor

getObjectClass

public Class<?> getObjectClass()

Description copied from interface: SqlAccessor

Reports the class returned by getObject() of this accessor.

(Is for ResultSetMetaData#getColumnClassName(...).)

Specified by:

getObjectClass in interface SqlAccessor

isNull

public boolean isNull(int rowOffset)

Description copied from interface: SqlAccessor

Reports whether the logical value is a SQL NULL.

Specified by:

isNull in interface SqlAccessor

getBigDecimal

public BigDecimal getBigDecimal(int rowOffset)
                         throws InvalidAccessException

Description copied from interface: SqlAccessor

(See class description.)

Specified by:

getBigDecimal in interface SqlAccessor

Throws:

InvalidAccessException

getBoolean

public boolean getBoolean(int rowOffset)
                   throws InvalidAccessException

Description copied from interface: SqlAccessor

(See class description.)

Specified by:

getBoolean in interface SqlAccessor

Throws:

InvalidAccessException

getByte

public byte getByte(int rowOffset)
             throws InvalidAccessException

Description copied from interface: SqlAccessor

(See class description.)

Specified by:

getByte in interface SqlAccessor

Throws:

InvalidAccessException

getBytes

public byte[] getBytes(int rowOffset)
                throws InvalidAccessException

Description copied from interface: SqlAccessor

(See class description.)

Specified by:

getBytes in interface SqlAccessor

Throws:

InvalidAccessException

getDate

public Date getDate(int rowOffset)
             throws InvalidAccessException

Description copied from interface: SqlAccessor

(See class description.)

Specified by:

getDate in interface SqlAccessor

Throws:

InvalidAccessException

getDouble

public double getDouble(int rowOffset)
                 throws InvalidAccessException

Description copied from interface: SqlAccessor

(See class description.)

Specified by:

getDouble in interface SqlAccessor

Throws:

InvalidAccessException

getFloat

public float getFloat(int rowOffset)
               throws InvalidAccessException

Description copied from interface: SqlAccessor

(See class description.)

Specified by:

getFloat in interface SqlAccessor

Throws:

InvalidAccessException

getChar

public char getChar(int rowOffset)
             throws InvalidAccessException

Description copied from interface: SqlAccessor

(See class description.)

Specified by:

getChar in interface SqlAccessor

Throws:

InvalidAccessException

getInt

public int getInt(int rowOffset)
           throws InvalidAccessException

Description copied from interface: SqlAccessor

(See class description.)

Specified by:

getInt in interface SqlAccessor

Throws:

InvalidAccessException

getLong

public long getLong(int rowOffset)
             throws InvalidAccessException

Description copied from interface: SqlAccessor

(See class description.)

Specified by:

getLong in interface SqlAccessor

Throws:

InvalidAccessException

getShort

public short getShort(int rowOffset)
               throws InvalidAccessException

Description copied from interface: SqlAccessor

(See class description.)

Specified by:

getShort in interface SqlAccessor

Throws:

InvalidAccessException

getStream

public InputStream getStream(int rowOffset)
                      throws InvalidAccessException

Description copied from interface: SqlAccessor

(See class description.)

Specified by:

getStream in interface SqlAccessor

Throws:

InvalidAccessException

getReader

public Reader getReader(int rowOffset)
                 throws InvalidAccessException

Description copied from interface: SqlAccessor

(See class description.)

Specified by:

getReader in interface SqlAccessor

Throws:

InvalidAccessException

getString

public String getString(int rowOffset)
                 throws InvalidAccessException

Description copied from interface: SqlAccessor

(See class description.)

Specified by:

getString in interface SqlAccessor

Throws:

InvalidAccessException

getTime

public Time getTime(int rowOffset)
             throws InvalidAccessException

Description copied from interface: SqlAccessor

(See class description.)

Specified by:

getTime in interface SqlAccessor

Throws:

InvalidAccessException

getTimestamp

public Timestamp getTimestamp(int rowOffset)
                       throws InvalidAccessException

Description copied from interface: SqlAccessor

(See class description.)

Specified by:

getTimestamp in interface SqlAccessor

Throws:

InvalidAccessException

getObject

public Object getObject(int rowOffset)
                 throws InvalidAccessException

Returns an instance sitting at the given index if exists, null otherwise.

Specified by:

getObject in interface SqlAccessor

Throws:

InvalidAccessException

See Also:

SqlAccessor.getObject(int)