AbstractDynamicConfiguration (Apache Dubbo 2.7.22 API)

java.lang.Object
- org.apache.dubbo.common.config.configcenter.AbstractDynamicConfiguration

所有已实现的接口:

AutoCloseable, DynamicConfiguration, Configuration

直接已知子类:

TreePathDynamicConfiguration
```
public abstract class AbstractDynamicConfiguration
extends Object
implements DynamicConfiguration
```
The abstract implementation of DynamicConfiguration

从以下版本开始:

2.7.5

字段概要

字段
限定符和类型	字段和说明
`static long`	`DEFAULT_THREAD_POOL_KEEP_ALIVE_TIME` Default keep alive time in milliseconds for threads in `ThreadPoolExecutor` is 1 minute( 60 * 1000 ms)
`static String`	`DEFAULT_THREAD_POOL_PREFIX`
`static int`	`DEFAULT_THREAD_POOL_SIZE`
`static String`	`GROUP_PARAM_NAME` The parameter name of group for config-center
`static String`	`PARAM_NAME_PREFIX`
`static String`	`THREAD_POOL_KEEP_ALIVE_TIME_PARAM_NAME` The keep alive time in milliseconds for threads in `ThreadPoolExecutor`
`static String`	`THREAD_POOL_PREFIX_PARAM_NAME`
`static String`	`THREAD_POOL_SIZE_PARAM_NAME`
`static String`	`TIMEOUT_PARAM_NAME` The parameter name of timeout for config-center

从接口继承的字段 org.apache.dubbo.common.config.configcenter.DynamicConfiguration
DEFAULT_GROUP

构造器概要

构造器
构造器和说明
`AbstractDynamicConfiguration(String threadPoolPrefixName, int threadPoolSize, long keepAliveTime, String group, long timeout)`
`AbstractDynamicConfiguration(URL url)`

方法概要

所有方法实例方法具体方法
限定符和类型	方法和说明
`void`	`addListener(String key, String group, ConfigurationListener listener)` Register a configuration listener for a specified key The listener only works for service governance purpose, so the target group would always be the value user specifies at startup or 'dubbo' by default.
`void`	`close()` Close the configuration
`String`	`getConfig(String key, String group, long timeout)` Get the configuration mapped to the given key and the given group.
`String`	`getDefaultGroup()` Get the default group for the operations
`long`	`getDefaultTimeout()` Get the default timeout for the operations in milliseconds
`Object`	`getInternalProperty(String key)`
`boolean`	`removeConfig(String key, String group)`
`void`	`removeListener(String key, String group, ConfigurationListener listener)` Stops one listener from listening to value changes in the specified key.

从类继承的方法 java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

从接口继承的方法 org.apache.dubbo.common.config.configcenter.DynamicConfiguration
addListener, getConfig, getConfigKeys, getDynamicConfiguration, getDynamicConfiguration, getProperties, getProperties, getRuleKey, publishConfig, publishConfig, removeListener

从接口继承的方法 org.apache.dubbo.common.config.Configuration
containsKey, convert, getBoolean, getBoolean, getBoolean, getInt, getInt, getInteger, getProperty, getProperty, getString, getString, toBooleanObject

- 字段详细资料
  - PARAM_NAME_PREFIX
```
public static final String PARAM_NAME_PREFIX
```
    另请参阅:
    
    常量字段值
  - THREAD_POOL_PREFIX_PARAM_NAME
```
public static final String THREAD_POOL_PREFIX_PARAM_NAME
```
    另请参阅:
    
    常量字段值
  - DEFAULT_THREAD_POOL_PREFIX
```
public static final String DEFAULT_THREAD_POOL_PREFIX
```
    另请参阅:
    
    常量字段值
  - THREAD_POOL_SIZE_PARAM_NAME
```
public static final String THREAD_POOL_SIZE_PARAM_NAME
```
    另请参阅:
    
    常量字段值
  - THREAD_POOL_KEEP_ALIVE_TIME_PARAM_NAME
```
public static final String THREAD_POOL_KEEP_ALIVE_TIME_PARAM_NAME
```
    The keep alive time in milliseconds for threads in ThreadPoolExecutor
    
    另请参阅:
    
    常量字段值
  - GROUP_PARAM_NAME
```
public static final String GROUP_PARAM_NAME
```
    The parameter name of group for config-center
    
    从以下版本开始:
    
    2.7.8
    
    另请参阅:
    
    常量字段值
  - TIMEOUT_PARAM_NAME
```
public static final String TIMEOUT_PARAM_NAME
```
    The parameter name of timeout for config-center
    
    从以下版本开始:
    
    2.7.8
    
    另请参阅:
    
    常量字段值
  - DEFAULT_THREAD_POOL_SIZE
```
public static final int DEFAULT_THREAD_POOL_SIZE
```
    另请参阅:
    
    常量字段值
  - DEFAULT_THREAD_POOL_KEEP_ALIVE_TIME
```
public static final long DEFAULT_THREAD_POOL_KEEP_ALIVE_TIME
```
    Default keep alive time in milliseconds for threads in ThreadPoolExecutor is 1 minute( 60 * 1000 ms)
- 构造器详细资料
  - AbstractDynamicConfiguration
```
public AbstractDynamicConfiguration(URL url)
```
  - AbstractDynamicConfiguration
```
public AbstractDynamicConfiguration(String threadPoolPrefixName,
                                    int threadPoolSize,
                                    long keepAliveTime,
                                    String group,
                                    long timeout)
```
- 方法详细资料
  - addListener
```
public void addListener(String key,
                        String group,
                        ConfigurationListener listener)
```
    从接口复制的说明: DynamicConfiguration
    
    Register a configuration listener for a specified key The listener only works for service governance purpose, so the target group would always be the value user specifies at startup or 'dubbo' by default. This method will only register listener, which means it will not trigger a notification that contains the current value.
    
    指定者:
    
    addListener 在接口中 DynamicConfiguration
    
    参数:
    
    key - the key to represent a configuration
    
    group - the group where the key belongs to
    
    listener - configuration listener
  - removeListener
```
public void removeListener(String key,
                           String group,
                           ConfigurationListener listener)
```
    从接口复制的说明: DynamicConfiguration
    
    Stops one listener from listening to value changes in the specified key.
    
    指定者:
    
    removeListener 在接口中 DynamicConfiguration
    
    参数:
    
    key - the key to represent a configuration
    
    group - the group where the key belongs to
    
    listener - configuration listener
  - getConfig
```
public final String getConfig(String key,
                              String group,
                              long timeout)
                       throws IllegalStateException
```
    从接口复制的说明: DynamicConfiguration
    
    Get the configuration mapped to the given key and the given group. If the configuration fails to fetch after timeout exceeds, IllegalStateException will be thrown.
    
    指定者:
    
    getConfig 在接口中 DynamicConfiguration
    
    参数:
    
    key - the key to represent a configuration
    
    group - the group where the key belongs to
    
    timeout - timeout value for fetching the target config
    
    返回:
    
    target configuration mapped to the given key and the given group, IllegalStateException will be thrown if timeout exceeds.
    
    抛出:
    
    IllegalStateException
  - getInternalProperty
```
public Object getInternalProperty(String key)
```
    指定者:
    
    getInternalProperty 在接口中 Configuration
  - close
```
public final void close()
                 throws Exception
```
    从接口复制的说明: DynamicConfiguration
    
    Close the configuration
    
    指定者:
    
    close 在接口中 AutoCloseable
    
    指定者:
    
    close 在接口中 DynamicConfiguration
    
    抛出:
    
    Exception
  - removeConfig
```
public boolean removeConfig(String key,
                            String group)
```
    指定者:
    
    removeConfig 在接口中 DynamicConfiguration
    
    参数:
    
    key - the key to represent a configuration
    
    group - the group where the key belongs to
    
    返回:
    
    true if success, or false
  - getDefaultGroup
```
public String getDefaultGroup()
```
    从接口复制的说明: DynamicConfiguration
    
    Get the default group for the operations
    
    指定者:
    
    getDefaultGroup 在接口中 DynamicConfiguration
    
    返回:
    
    the default group
    
    从以下版本开始:
    
    2.7.8
  - getDefaultTimeout
```
public long getDefaultTimeout()
```
    从接口复制的说明: DynamicConfiguration
    
    Get the default timeout for the operations in milliseconds
    
    指定者:
    
    getDefaultTimeout 在接口中 DynamicConfiguration
    
    返回:
    
    the default timeout
    
    从以下版本开始:
    
    2.7.8

类 AbstractDynamicConfiguration

字段概要

从接口继承的字段 org.apache.dubbo.common.config.configcenter.DynamicConfiguration

构造器概要

方法概要

从类继承的方法 java.lang.Object

从接口继承的方法 org.apache.dubbo.common.config.configcenter.DynamicConfiguration

从接口继承的方法 org.apache.dubbo.common.config.Configuration

字段详细资料

PARAM_NAME_PREFIX

THREAD_POOL_PREFIX_PARAM_NAME

DEFAULT_THREAD_POOL_PREFIX

THREAD_POOL_SIZE_PARAM_NAME

THREAD_POOL_KEEP_ALIVE_TIME_PARAM_NAME

GROUP_PARAM_NAME

TIMEOUT_PARAM_NAME

DEFAULT_THREAD_POOL_SIZE

DEFAULT_THREAD_POOL_KEEP_ALIVE_TIME

构造器详细资料

AbstractDynamicConfiguration

AbstractDynamicConfiguration

方法详细资料

addListener

removeListener

getConfig

getInternalProperty

close

removeConfig

getDefaultGroup

getDefaultTimeout