Package com.clickhouse.client.api.internal

Class MapUtils

java.lang.Object

com.clickhouse.client.api.internal.MapUtils

public class MapUtils
extends Object

Collection of utility methods for working with maps.

Constructor Summary

Constructors

Constructor	Description
MapUtils()

Method Summary

Modifier and Type	Method	Description
static void	applyInt(Map<String,String> map, String key, Consumer<Integer> consumer)
static void	applyLong(Map<String,String> map, String key, Consumer<Long> consumer)
static boolean	getFlag(Map<String,?> map, String key, boolean defaultValue)	Get a boolean value from a map.
static boolean	getFlag(Map<String,?> p1, Map<String,?> p2, String key)	Get a boolean value from a p1, if not found, get from p2.
static boolean	getFlag(Map<String,String> map, String key)	Get a boolean value from a map.
static int	getInt(Map<String,String> map, String key)
static long	getLong(Map<String,String> map, String key)

Methods inherited from class java.lang.Object

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

Constructor Details

MapUtils

public MapUtils()

Method Details

applyLong

public static void applyLong(Map<String,String> map,
 String key,
 Consumer<Long> consumer)

applyInt

public static void applyInt(Map<String,String> map,
 String key,
 Consumer<Integer> consumer)

getInt

public static int getInt(Map<String,String> map,
 String key)

getLong

public static long getLong(Map<String,String> map,
 String key)

getFlag

public static boolean getFlag(Map<String,String> map,
 String key)

Get a boolean value from a map.

Parameters:

map - map to get value from

key - key to get value for

Returns:

boolean value

Throws:

NullPointerException - if the key is missing

IllegalArgumentException - if the value is not a boolean

getFlag

public static boolean getFlag(Map<String,?> map,
 String key,
 boolean defaultValue)

Get a boolean value from a map.

Parameters:

map - - configuration map

key - - key of the property

defaultValue - - value if not found

Returns:

boolean value

getFlag

public static boolean getFlag(Map<String,?> p1,
 Map<String,?> p2,
 String key)

Get a boolean value from a p1, if not found, get from p2.

Parameters:

p1 - - first map

p2 - - second map

key - - key of the property

Returns:

boolean value

Throws:

NullPointerException - if the key is missing in both maps