org.apache.drill.exec.memory

Class BoundsChecking

java.lang.Object

org.apache.drill.exec.memory.BoundsChecking

public class BoundsChecking
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static boolean	BOUNDS_CHECKING_ENABLED
static String	ENABLE_UNSAFE_BOUNDS_CHECK_PROPERTY
static String	ENABLE_UNSAFE_MEMORY_ACCESS_PROPERTY

Method Summary

Modifier and Type	Method and Description
static void	ensureWritable(DrillBuf buf, int minWritableBytes)
static void	lengthCheck(DrillBuf buf, int start, int length)
static void	rangeCheck(DrillBuf buf, int start, int end)
static void	rangeCheck(DrillBuf buf1, int start1, int end1, DrillBuf buf2, int start2, int end2)

Methods inherited from class java.lang.Object

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

Field Detail

ENABLE_UNSAFE_BOUNDS_CHECK_PROPERTY

public static final String ENABLE_UNSAFE_BOUNDS_CHECK_PROPERTY

See Also:

Constant Field Values

ENABLE_UNSAFE_MEMORY_ACCESS_PROPERTY

public static final String ENABLE_UNSAFE_MEMORY_ACCESS_PROPERTY

See Also:

Constant Field Values

BOUNDS_CHECKING_ENABLED

public static final boolean BOUNDS_CHECKING_ENABLED

Method Detail

lengthCheck

public static void lengthCheck(DrillBuf buf,
                               int start,
                               int length)

rangeCheck

public static void rangeCheck(DrillBuf buf,
                              int start,
                              int end)

rangeCheck

public static void rangeCheck(DrillBuf buf1,
                              int start1,
                              int end1,
                              DrillBuf buf2,
                              int start2,
                              int end2)

ensureWritable

public static void ensureWritable(DrillBuf buf,
                                  int minWritableBytes)