Package com.clickhouse.client.config

Interface ClickHouseConfigChangeListener<T>

public interface ClickHouseConfigChangeListener<T>

Configuration change listener.

Method Summary

Modifier and Type	Method	Description
default void	optionChanged(T source, ClickHouseOption option, Serializable oldValue, Serializable newValue)	Triggered when ClickHouseOption was changed.
default void	propertyChanged(T source, String property, Object oldValue, Object newValue)	Triggered when property of source was changed.
default void	settingChanged(T source, String setting, Serializable oldValue, Serializable newValue)	Triggered when ClickHouse setting(declared on client-side) was changed.

Method Detail

optionChanged

default void optionChanged(T source,
                           ClickHouseOption option,
                           Serializable oldValue,
                           Serializable newValue)

Triggered when ClickHouseOption was changed. Removing an option is same as reseting its value to null.

Parameters:

source - source of the event

option - the changed option, which should never be null

oldValue - old option value, which could be null

newValue - new option value, which could be null

propertyChanged

default void propertyChanged(T source,
                             String property,
                             Object oldValue,
                             Object newValue)

Triggered when property of source was changed.

Parameters:

source - source of the event

property - name of the changed property, which should never be null

oldValue - old option value, which could be null

newValue - new option value, which could be null

settingChanged

default void settingChanged(T source,
                            String setting,
                            Serializable oldValue,
                            Serializable newValue)

Triggered when ClickHouse setting(declared on client-side) was changed. Removing a setting is same as reseting its value to null.

Parameters:

source - source of the event

setting - the changed setting, which should never be null

oldValue - old option value, which could be null

newValue - new option value, which could be null