ru.yandex.clickhouse.jdbcbridge.core

Class Utils

java.lang.Object

ru.yandex.clickhouse.jdbcbridge.core.Utils

public final class Utils
extends Object

Helper class.

Since:

2.0

Field Summary

Fields

Modifier and Type	Field and Description
static long	DATETIME_MAX
static String	DEFAULT_COLUMN_NAME
static String	EMPTY_STRING
static long	MILLIS_IN_DAY
static String	NULL_STRING
static int	OBJECT_DEPTH_LIMIT
static int	U_INT16_MAX
static long	U_INT32_MAX
static int	U_INT8_MAX
static String	VARIABLE_PREFIX
static String	VARIABLE_SUFFIX

Method Summary

Modifier and Type	Method and Description
static void	addTypedParameter(Map<String,TypedParameter<?>> map, TypedParameter<?> p)
static String	applyVariables(String template, Map<String,String> variables)
static String	applyVariables(String template, UnaryOperator<String> operator)
static void	checkArgument(BigInteger value, BigInteger minValue)
static void	checkArgument(BigInteger value, BigInteger minValue, BigInteger maxValue)
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 boolean	containsWhitespace(String str)
static String	digest(io.vertx.core.json.JsonObject o)
static String	digest(String s)
static boolean	fileExists(String file)
static String	getConfiguration(String defaultValue, String environmentVariable, String systemProperty)
static Object	getDefaultMetricRegistry()
static String	getValueOrEmptyString(String value)
static int	indexOfKeyword(String statement, String keyword, boolean caseInsensitive)
static int	indexOfKeywordIgnoreCase(String statement, String keyword)
static boolean	isArray(Bindings objects)
static Extension<?>	loadExtension(Collection<String> libUrls, String className)
static Extension<?>	loadExtension(String className)
static io.vertx.core.json.JsonObject	loadJsonFromFile(String file)
static <T> T	loadService(Class<T> service)
static <T> T	loadService(Class<T> service, ClassLoader loader)
static String	loadTextFromFile(String file)
static List<String>	splitByChar(String str, char delimiter)
static List<String>	splitByChar(String str, char delimiter, boolean tokenize)
static String	toJsonString(Object object)
static Object[][]	toObjectArrays(Object object, String... columnNames)
static String	unescapeQuotes(String str)

Methods inherited from class java.lang.Object

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

Field Detail

VARIABLE_PREFIX

public static final String VARIABLE_PREFIX

See Also:

Constant Field Values

VARIABLE_SUFFIX

public static final String VARIABLE_SUFFIX

See Also:

Constant Field Values

EMPTY_STRING

public static final String EMPTY_STRING

See Also:

Constant Field Values

NULL_STRING

public static final String NULL_STRING

See Also:

Constant Field Values

OBJECT_DEPTH_LIMIT

public static final int OBJECT_DEPTH_LIMIT

See Also:

Constant Field Values

U_INT8_MAX

public static final int U_INT8_MAX

See Also:

Constant Field Values

U_INT16_MAX

public static final int U_INT16_MAX

See Also:

Constant Field Values

U_INT32_MAX

public static final long U_INT32_MAX

See Also:

Constant Field Values

MILLIS_IN_DAY

public static final long MILLIS_IN_DAY

DATETIME_MAX

public static final long DATETIME_MAX

See Also:

Constant Field Values

DEFAULT_COLUMN_NAME

public static final String DEFAULT_COLUMN_NAME

See Also:

Constant Field Values

Method Detail

unescapeQuotes

public static String unescapeQuotes(String str)

containsWhitespace

public static boolean containsWhitespace(String str)

indexOfKeywordIgnoreCase

public static int indexOfKeywordIgnoreCase(String statement,
                                           String keyword)

indexOfKeyword

public static int indexOfKeyword(String statement,
                                 String keyword,
                                 boolean caseInsensitive)

getDefaultMetricRegistry

public static final Object getDefaultMetricRegistry()

getValueOrEmptyString

public static final String getValueOrEmptyString(String value)

getConfiguration

public static String getConfiguration(String defaultValue,
                                      String environmentVariable,
                                      String systemProperty)

loadExtension

public static Extension<?> loadExtension(String className)

loadExtension

public static Extension<?> loadExtension(Collection<String> libUrls,
                                         String className)

loadService

public static <T> T loadService(Class<T> service)

loadService

public static <T> T loadService(Class<T> service,
                                ClassLoader loader)

isArray

public static boolean isArray(Bindings objects)

toJsonString

public static String toJsonString(Object object)

toObjectArrays

public static Object[][] toObjectArrays(Object object,
                                        String... columnNames)

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)

splitByChar

public static List<String> splitByChar(String str,
                                       char delimiter)

splitByChar

public static List<String> splitByChar(String str,
                                       char delimiter,
                                       boolean tokenize)

digest

public static String digest(io.vertx.core.json.JsonObject o)

digest

public static String digest(String s)

addTypedParameter

public static void addTypedParameter(Map<String,TypedParameter<?>> map,
                                     TypedParameter<?> p)

fileExists

public static boolean fileExists(String file)

loadTextFromFile

public static String loadTextFromFile(String file)

loadJsonFromFile

public static io.vertx.core.json.JsonObject loadJsonFromFile(String file)

applyVariables

public static String applyVariables(String template,
                                    UnaryOperator<String> operator)

applyVariables

public static String applyVariables(String template,
                                    Map<String,String> variables)