org.apache.ratis.conf

类 Parameters

java.lang.Object

org.apache.ratis.conf.Parameters

public class Parameters
extends Object

A generic parameter map. The difference between this class and RaftProperties is that RaftProperties is String based, i.e. properties are strings, while this class is Object based, i.e. parameters can be any objects. Null keys or null values are not supported. This class is thread safe.

构造器概要

构造器

构造器和说明
Parameters()

方法概要

限定符和类型	方法和说明
<T> T	get(String key, Class<T> valueClass)
<T> T	getNonNull(String key, Class<T> valueClass) The same as get(String, Class) except that this method throws a NullPointerException if the key does not map to any value.
<T> T	put(String key, T value, Class<T> valueClass) Put the key-value pair to the map.

从类继承的方法 java.lang.Object

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

构造器详细资料

Parameters

public Parameters()

方法详细资料

put

public <T> T put(String key,
                 T value,
                 Class<T> valueClass)

Put the key-value pair to the map.

get

public <T> T get(String key,
                 Class<T> valueClass)

类型参数:

T - The value type.

返回:

The value mapped to the given key; or return null if the key does not map to any value.

抛出:

IllegalArgumentException - if the mapped value is not an instance of the given class.

getNonNull

public <T> T getNonNull(String key,
                        Class<T> valueClass)

The same as get(String, Class) except that this method throws a NullPointerException if the key does not map to any value.