Package ru.yandex.clickhouse.util

Class Utils

java.lang.Object

ru.yandex.clickhouse.util.Utils

public class Utils
extends Object

Constructor Summary

Constructors

Constructor	Description
Utils()

Method Summary

Modifier and Type	Method	Description
static void	checkArgument(byte[] value, int length)
static void	checkArgument(int value, int minValue)
static void	checkArgument(int value, int minValue, int maxValue)
static void	checkArgument(long value, long minValue)
static void	checkArgument(long value, long minValue, long maxValue)
static void	checkArgument(BigInteger value, BigInteger minValue)
static void	checkArgument(BigInteger value, BigInteger minValue, BigInteger maxValue)
static long	copy(InputStream from, OutputStream to)
static int	getVarIntSize(int value)
static int	getVarLongSize(long value)
static boolean	isNullOrEmptyString(String str)
static List<Object>	listOf(Object... values)
static Map<Object,Object>	mapOf(Object... kvps)
static BigInteger	readBigInteger(DataInputStream inputStream, int byteLength)
static void	readFully(DataInputStream in, byte[] b)
static void	readFully(DataInputStream in, byte[] b, int off, int len)
static int	readInt(DataInputStream inputStream)
static long	readLong(DataInputStream inputStream)
static BigInteger	readLongAsBigInteger(DataInputStream inputStream)
static int	readUnsignedLeb128(DataInputStream inputStream)
static int	readUnsignedShort(DataInputStream inputStream)
static int	readVarInt(DataInput in)
static int	readVarInt(ByteBuffer buffer)
static String	retainUnquoted(String haystack, char quoteChar)
static boolean	startsWithIgnoreCase(String haystack, String pattern)
static BigInteger	toBigInteger(BigDecimal num, int scale)
static byte[]	toByteArray(InputStream in)
static String	toString(InputStream in)
static <T> Class<T>	unwrap(Class<T> type)
static void	writeBigInteger(DataOutputStream outputStream, BigInteger value, int byteLength)
static void	writeInt(DataOutputStream outputStream, int value)
static void	writeLong(DataOutputStream outputStream, long value)
static void	writeShort(DataOutputStream outputStream, int value)
static void	writeVarInt(int value, ByteBuffer buffer)

Methods inherited from class java.lang.Object

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

Constructor Detail

Utils

public Utils()

Method Detail

unwrap

public static <T> Class<T> unwrap(Class<T> type)

mapOf

public static Map<Object,Object> mapOf(Object... kvps)

listOf

public static List<Object> listOf(Object... values)

toString

public static String toString(InputStream in)
                       throws IOException

Throws:

IOException

toByteArray

public static byte[] toByteArray(InputStream in)
                          throws IOException

Throws:

IOException

copy

public static long copy(InputStream from,
                        OutputStream to)
                 throws IOException

Throws:

IOException

isNullOrEmptyString

public static boolean isNullOrEmptyString(String str)

checkArgument

public static void checkArgument(byte[] value,
                                 int length)

checkArgument

public static void checkArgument(int value,
                                 int minValue)

checkArgument

public static void checkArgument(long value,
                                 long minValue)

checkArgument

public static void checkArgument(int value,
                                 int minValue,
                                 int maxValue)

checkArgument

public static void checkArgument(long value,
                                 long minValue,
                                 long maxValue)

checkArgument

public static void checkArgument(BigInteger value,
                                 BigInteger minValue)

checkArgument

public static void checkArgument(BigInteger value,
                                 BigInteger minValue,
                                 BigInteger maxValue)

readFully

public static void readFully(DataInputStream in,
                             byte[] b)
                      throws IOException

Throws:

IOException

readFully

public static void readFully(DataInputStream in,
                             byte[] b,
                             int off,
                             int len)
                      throws IOException

Throws:

IOException

readUnsignedShort

public static int readUnsignedShort(DataInputStream inputStream)
                             throws IOException

Throws:

IOException

readInt

public static int readInt(DataInputStream inputStream)
                   throws IOException

Throws:

IOException

readLong

public static long readLong(DataInputStream inputStream)
                     throws IOException

Throws:

IOException

readLongAsBigInteger

public static BigInteger readLongAsBigInteger(DataInputStream inputStream)
                                       throws IOException

Throws:

IOException

readUnsignedLeb128

public static int readUnsignedLeb128(DataInputStream inputStream)
                              throws IOException

Throws:

IOException

readBigInteger

public static BigInteger readBigInteger(DataInputStream inputStream,
                                        int byteLength)
                                 throws IOException

Throws:

IOException

writeShort

public static void writeShort(DataOutputStream outputStream,
                              int value)
                       throws IOException

Throws:

IOException

writeInt

public static void writeInt(DataOutputStream outputStream,
                            int value)
                     throws IOException

Throws:

IOException

writeLong

public static void writeLong(DataOutputStream outputStream,
                             long value)
                      throws IOException

Throws:

IOException

writeBigInteger

public static void writeBigInteger(DataOutputStream outputStream,
                                   BigInteger value,
                                   int byteLength)
                            throws IOException

Throws:

IOException

getVarIntSize

public static int getVarIntSize(int value)

getVarLongSize

public static int getVarLongSize(long value)

writeVarInt

public static void writeVarInt(int value,
                               ByteBuffer buffer)

readVarInt

public static int readVarInt(DataInput in)
                      throws IOException

Throws:

IOException

readVarInt

public static int readVarInt(ByteBuffer buffer)

toBigInteger

public static BigInteger toBigInteger(BigDecimal num,
                                      int scale)

startsWithIgnoreCase

public static boolean startsWithIgnoreCase(String haystack,
                                           String pattern)

retainUnquoted

public static String retainUnquoted(String haystack,
                                    char quoteChar)