com.persistit.util

Class Util

java.lang.Object

com.persistit.util.Util

public class Util
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static char[]	HEX_DIGITS
static long	MS_PER_S
static String	NEW_LINE
static long	NS_PER_MS
static long	NS_PER_S

Constructor Summary

Constructors

Constructor and Description
Util()

Method Summary

Modifier and Type	Method and Description
static String	abridge(String s, int maxLength)
static void	append(Appendable sb, char c)
static void	append(Appendable sb, CharSequence s)
static void	appendQuotedChar(Appendable sb, int c)
static void	appendQuotedString(Appendable sb, String s, int start, int length)
static boolean	bytesEqual(byte[] source, int offset, byte[] target) Utility method to determine whether a subarray of bytes in a byte-array source matches the byte-array in target.
static void	bytesToHex(Appendable sb, byte[] bytes, int offset, int length)
static String	bytesToHex(byte[] bytes)
static boolean	changeByte(byte[] bytes, int index, byte value)
static boolean	changeBytes(byte[] bytes, int index, byte[] value)
static boolean	changeChar(byte[] bytes, int index, char value)
static boolean	changeInt(byte[] bytes, int index, int value)
static boolean	changeLong(byte[] bytes, int index, long value)
static boolean	changeShort(byte[] bytes, int index, short value)
static void	clearBytes(byte[] bytes, int from, int to)
static String	date(long t)
static String	dump(byte[] b, int offset, int size)
static String	dump(char[] c, int offset, int size)
static String	dump(KeyState ks)
static String	dump(ValueState vs)
static boolean	equalsByteSubarray(byte[] source, int next, byte[] target)
static boolean	equalsByteSubarray(byte[] source, int soffset, byte[] target, int toffset, int length)
static void	fill(StringBuilder sb, long value, int width)
static void	fill(StringBuilder sb, String s, int width)
static String	format(int i)
static String	format(long i)
static String	format(long i, int width)
static String	format(String s, int width, boolean right)
static int	getByte(byte[] bytes, int index)
static int	getChar(byte[] bytes, int index)
static int	getInt(byte[] bytes, int index)
static long	getLong(byte[] bytes, int index)
static int	getShort(byte[] bytes, int index)
static Appendable	hex(Appendable sb, long value, int length)
static String	hexDump(byte[] b)
static String	hexDump(byte[] b, int offset, int length)
static byte[]	hexToBytes(String hex)
static boolean	isValidName(String s)
static Pattern	pattern(String s, boolean caseInsensitive)
static void	println(String template, Object... args)
static void	putByte(byte[] bytes, int index, int value)
static int	putBytes(byte[] bytes, int index, byte[] value)
static void	putChar(byte[] bytes, int index, int value)
static void	putInt(byte[] bytes, int index, int value)
static void	putLong(byte[] bytes, int index, long value)
static void	putShort(byte[] bytes, int index, int value)
static float	rangeCheck(float value, float min, float max)
static int	rangeCheck(int value, int min, int max)
static long	rangeCheck(long value, long min, long max)
static String	replaceFileSuffix(String name, String suffix)
static void	sleep(long millis)
static void	spinSleep()
static byte[]	stringToBytes(String s)
static String	toString(Object object)

Methods inherited from class java.lang.Object

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

Field Detail

NEW_LINE

public static final String NEW_LINE

NS_PER_S

public static final long NS_PER_S

See Also:

Constant Field Values

MS_PER_S

public static final long MS_PER_S

See Also:

Constant Field Values

NS_PER_MS

public static final long NS_PER_MS

See Also:

Constant Field Values

HEX_DIGITS

public static final char[] HEX_DIGITS

Constructor Detail

Util

public Util()

Method Detail

getByte

public static int getByte(byte[] bytes,
                          int index)

getShort

public static int getShort(byte[] bytes,
                           int index)

getChar

public static int getChar(byte[] bytes,
                          int index)

getInt

public static int getInt(byte[] bytes,
                         int index)

getLong

public static long getLong(byte[] bytes,
                           int index)

putByte

public static void putByte(byte[] bytes,
                           int index,
                           int value)

putShort

public static void putShort(byte[] bytes,
                            int index,
                            int value)

putChar

public static void putChar(byte[] bytes,
                           int index,
                           int value)

putInt

public static void putInt(byte[] bytes,
                          int index,
                          int value)

putLong

public static void putLong(byte[] bytes,
                           int index,
                           long value)

putBytes

public static int putBytes(byte[] bytes,
                           int index,
                           byte[] value)

changeBytes

public static boolean changeBytes(byte[] bytes,
                                  int index,
                                  byte[] value)

changeByte

public static boolean changeByte(byte[] bytes,
                                 int index,
                                 byte value)

changeChar

public static boolean changeChar(byte[] bytes,
                                 int index,
                                 char value)

changeShort

public static boolean changeShort(byte[] bytes,
                                  int index,
                                  short value)

changeInt

public static boolean changeInt(byte[] bytes,
                                int index,
                                int value)

changeLong

public static boolean changeLong(byte[] bytes,
                                 int index,
                                 long value)

format

public static String format(String s,
                            int width,
                            boolean right)

format

public static String format(int i)

format

public static String format(long i)

format

public static String format(long i,
                            int width)

abridge

public static String abridge(String s,
                             int maxLength)

equalsByteSubarray

public static boolean equalsByteSubarray(byte[] source,
                                         int next,
                                         byte[] target)

equalsByteSubarray

public static boolean equalsByteSubarray(byte[] source,
                                         int soffset,
                                         byte[] target,
                                         int toffset,
                                         int length)

fill

public static void fill(StringBuilder sb,
                        long value,
                        int width)

fill

public static void fill(StringBuilder sb,
                        String s,
                        int width)

dump

public static String dump(KeyState ks)

dump

public static String dump(ValueState vs)

dump

public static String dump(byte[] b,
                          int offset,
                          int size)

dump

public static String dump(char[] c,
                          int offset,
                          int size)

hexDump

public static String hexDump(byte[] b)

hexDump

public static String hexDump(byte[] b,
                             int offset,
                             int length)

hex

public static Appendable hex(Appendable sb,
                             long value,
                             int length)

stringToBytes

public static byte[] stringToBytes(String s)

isValidName

public static boolean isValidName(String s)

bytesToHex

public static String bytesToHex(byte[] bytes)

bytesToHex

public static void bytesToHex(Appendable sb,
                              byte[] bytes,
                              int offset,
                              int length)

hexToBytes

public static byte[] hexToBytes(String hex)

replaceFileSuffix

public static String replaceFileSuffix(String name,
                                       String suffix)

clearBytes

public static void clearBytes(byte[] bytes,
                              int from,
                              int to)

appendQuotedString

public static void appendQuotedString(Appendable sb,
                                      String s,
                                      int start,
                                      int length)

append

public static void append(Appendable sb,
                          char c)

append

public static void append(Appendable sb,
                          CharSequence s)

appendQuotedChar

public static void appendQuotedChar(Appendable sb,
                                    int c)

date

public static String date(long t)

println

public static void println(String template,
                           Object... args)

bytesEqual

public static boolean bytesEqual(byte[] source,
                                 int offset,
                                 byte[] target)

Utility method to determine whether a subarray of bytes in a byte-array source matches the byte-array in target.

Parameters:

source - The source byte array

offset - The offset of the sub-array within the source.

target - The target byte array

Returns:

true if the byte subarrays are equal

sleep

public static void sleep(long millis)
                  throws PersistitInterruptedException

Throws:

PersistitInterruptedException

spinSleep

public static void spinSleep()
                      throws PersistitInterruptedException

Throws:

PersistitInterruptedException

toString

public static String toString(Object object)

rangeCheck

public static int rangeCheck(int value,
                             int min,
                             int max)

rangeCheck

public static long rangeCheck(long value,
                              long min,
                              long max)

rangeCheck

public static float rangeCheck(float value,
                               float min,
                               float max)

pattern

public static Pattern pattern(String s,
                              boolean caseInsensitive)