Connection (com.alipay.sofa:bolt 1.6.2 API)

java.lang.Object
- com.alipay.remoting.Connection

```
public class Connection
extends Object
```
An abstraction of socket channel.

字段概要

字段
限定符和类型	字段和说明
`static io.netty.util.AttributeKey<Connection>`	`CONNECTION` Attribute key for connection
`static io.netty.util.AttributeKey<Integer>`	`HEARTBEAT_COUNT` Attribute key for heartbeat count
`static io.netty.util.AttributeKey<Boolean>`	`HEARTBEAT_SWITCH` Attribute key for heartbeat switch for each connection
`static io.netty.util.AttributeKey<ProtocolCode>`	`PROTOCOL` Attribute key for protocol
`static io.netty.util.AttributeKey<Byte>`	`VERSION` Attribute key for version

构造器概要

构造器
构造器和说明
`Connection(io.netty.channel.Channel channel)` Constructor
`Connection(io.netty.channel.Channel channel, ProtocolCode protocolCode, byte version, Url url)`
`Connection(io.netty.channel.Channel channel, ProtocolCode protocolCode, Url url)` Constructor
`Connection(io.netty.channel.Channel channel, Url url)` Constructor

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`	`addIdPoolKeyMapping(Integer id, String poolKey)` add Id to group Mapping
`InvokeFuture`	`addInvokeFuture(InvokeFuture future)` Add an InvokeFuture
`void`	`addPoolKey(String poolKey)` add a pool key to list
`void`	`clearAttributes()` Clear attribute.
`void`	`close()` Close the connection.
`void`	`decreaseRef()` decrease the reference count
`Object`	`getAttribute(String key)` Get attribute.
`io.netty.channel.Channel`	`getChannel()` Get the netty channel of the connection.
`InvokeFuture`	`getInvokeFuture(int id)` Get the InvokeFuture with invokeId of id.
`ConcurrentHashMap<Integer,InvokeFuture>`	`getInvokeFutureMap()` Getter method for property `invokeFutureMap`.
`InetSocketAddress`	`getLocalAddress()` Get the address of the local peer.
`String`	`getLocalIP()` Get the local IP.
`int`	`getLocalPort()` Get the local port.
`Set<String>`	`getPoolKeys()` get all pool keys
`InetSocketAddress`	`getRemoteAddress()` Get the address of the remote peer.
`String`	`getRemoteIP()` Get the remote IP.
`int`	`getRemotePort()` Get the remote port.
`Url`	`getUrl()` Getter method for property `url`.
`void`	`increaseRef()` increase the reference count
`boolean`	`isFine()` to check whether the connection is fine to use
`boolean`	`isInvokeFutureMapFinish()` Whether invokeFutures is completed
`boolean`	`noRef()` to check whether the reference count is 0
`void`	`onClose()` Do something when closing.
`void`	`removeAttribute(String key)` Remove attribute.
`String`	`removeIdPoolKeyMapping(Integer id)` remove id to group Mapping
`InvokeFuture`	`removeInvokeFuture(int id)` Remove InvokeFuture who's invokeId is id
`void`	`removePoolKey(String poolKey)` remove pool key
`void`	`setAttribute(String key, Object value)` Set attribute key=value.
`Object`	`setAttributeIfAbsent(String key, Object value)` set attribute if key absent.

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

- 字段详细资料
  - CONNECTION
```
public static final io.netty.util.AttributeKey<Connection> CONNECTION
```
    Attribute key for connection
  - HEARTBEAT_COUNT
```
public static final io.netty.util.AttributeKey<Integer> HEARTBEAT_COUNT
```
    Attribute key for heartbeat count
  - HEARTBEAT_SWITCH
```
public static final io.netty.util.AttributeKey<Boolean> HEARTBEAT_SWITCH
```
    Attribute key for heartbeat switch for each connection
  - PROTOCOL
```
public static final io.netty.util.AttributeKey<ProtocolCode> PROTOCOL
```
    Attribute key for protocol
  - VERSION
```
public static final io.netty.util.AttributeKey<Byte> VERSION
```
    Attribute key for version
- 构造器详细资料
  - Connection
```
public Connection(io.netty.channel.Channel channel)
```
    Constructor
    
    参数:
    
    channel - associated channel
  - Connection
```
public Connection(io.netty.channel.Channel channel,
                  Url url)
```
    Constructor
    
    参数:
    
    channel - associated channel
    
    url - associated url
  - Connection
```
public Connection(io.netty.channel.Channel channel,
                  ProtocolCode protocolCode,
                  Url url)
```
    Constructor
    
    参数:
    
    channel - associated channel
    
    protocolCode - ProtocolCode
    
    url - associated url
  - Connection
```
public Connection(io.netty.channel.Channel channel,
                  ProtocolCode protocolCode,
                  byte version,
                  Url url)
```
    参数:
    
    channel - associated channel
    
    protocolCode - ProtocolCode
    
    version - protocol version
    
    url - associated url
- 方法详细资料
  - isFine
```
public boolean isFine()
```
    to check whether the connection is fine to use
    
    返回:
    
    true if connection is fine
  - increaseRef
```
public void increaseRef()
```
    increase the reference count
  - decreaseRef
```
public void decreaseRef()
```
    decrease the reference count
  - noRef
```
public boolean noRef()
```
    to check whether the reference count is 0
    
    返回:
    
    true if the reference count is 0
  - getRemoteAddress
```
public InetSocketAddress getRemoteAddress()
```
    Get the address of the remote peer.
    
    返回:
    
    remote address
  - getRemoteIP
```
public String getRemoteIP()
```
    Get the remote IP.
    
    返回:
    
    remote IP
  - getRemotePort
```
public int getRemotePort()
```
    Get the remote port.
    
    返回:
    
    remote port
  - getLocalAddress
```
public InetSocketAddress getLocalAddress()
```
    Get the address of the local peer.
    
    返回:
    
    local address
  - getLocalIP
```
public String getLocalIP()
```
    Get the local IP.
    
    返回:
    
    local IP
  - getLocalPort
```
public int getLocalPort()
```
    Get the local port.
    
    返回:
    
    local port
  - getChannel
```
public io.netty.channel.Channel getChannel()
```
    Get the netty channel of the connection.
    
    返回:
    
    Channel
  - getInvokeFuture
```
public InvokeFuture getInvokeFuture(int id)
```
    Get the InvokeFuture with invokeId of id.
    
    参数:
    
    id - invoke id
    
    返回:
    
    InvokeFuture
  - addInvokeFuture
```
public InvokeFuture addInvokeFuture(InvokeFuture future)
```
    Add an InvokeFuture
    
    参数:
    
    future - InvokeFuture
    
    返回:
    
    previous InvokeFuture with same invoke id
  - removeInvokeFuture
```
public InvokeFuture removeInvokeFuture(int id)
```
    Remove InvokeFuture who's invokeId is id
    
    参数:
    
    id - invoke id
    
    返回:
    
    associated InvokerFuture with the target id
  - onClose
```
public void onClose()
```
    Do something when closing.
  - close
```
public void close()
```
    Close the connection.
  - isInvokeFutureMapFinish
```
public boolean isInvokeFutureMapFinish()
```
    Whether invokeFutures is completed
  - addPoolKey
```
public void addPoolKey(String poolKey)
```
    add a pool key to list
    
    参数:
    
    poolKey - connection pool key
  - getPoolKeys
```
public Set<String> getPoolKeys()
```
    get all pool keys
  - removePoolKey
```
public void removePoolKey(String poolKey)
```
    remove pool key
    
    参数:
    
    poolKey - connection pool key
  - getUrl
```
public Url getUrl()
```
    Getter method for property url.
    
    返回:
    
    property value of url
  - addIdPoolKeyMapping
```
public void addIdPoolKeyMapping(Integer id,
                                String poolKey)
```
    add Id to group Mapping
    
    参数:
    
    id - invoke id
    
    poolKey - connection pool key
  - removeIdPoolKeyMapping
```
public String removeIdPoolKeyMapping(Integer id)
```
    remove id to group Mapping
    
    参数:
    
    id - connection pool key
    
    返回:
    
    connection pool key
  - setAttribute
```
public void setAttribute(String key,
                         Object value)
```
    Set attribute key=value.
    
    参数:
    
    key - attribute key
    
    value - attribute value
  - setAttributeIfAbsent
```
public Object setAttributeIfAbsent(String key,
                                   Object value)
```
    set attribute if key absent.
    
    参数:
    
    key - attribute key
    
    value - attribute value
    
    返回:
    
    previous value
  - removeAttribute
```
public void removeAttribute(String key)
```
    Remove attribute.
    
    参数:
    
    key - attribute key
  - getAttribute
```
public Object getAttribute(String key)
```
    Get attribute.
    
    参数:
    
    key - attribute key
    
    返回:
    
    attribute value
  - clearAttributes
```
public void clearAttributes()
```
    Clear attribute.
  - getInvokeFutureMap
```
public ConcurrentHashMap<Integer,InvokeFuture> getInvokeFutureMap()
```
    Getter method for property invokeFutureMap.
    
    返回:
    
    property value of invokeFutureMap

类 Connection

字段概要

构造器概要

方法概要

从类继承的方法 java.lang.Object

字段详细资料

CONNECTION

HEARTBEAT_COUNT

HEARTBEAT_SWITCH

PROTOCOL

VERSION

构造器详细资料

Connection

Connection

Connection

Connection

方法详细资料

isFine

increaseRef

decreaseRef

noRef

getRemoteAddress

getRemoteIP

getRemotePort

getLocalAddress

getLocalIP

getLocalPort

getChannel

getInvokeFuture

addInvokeFuture

removeInvokeFuture

onClose

close

isInvokeFutureMapFinish

addPoolKey

getPoolKeys

removePoolKey

getUrl

addIdPoolKeyMapping

removeIdPoolKeyMapping

setAttribute

setAttributeIfAbsent

removeAttribute

getAttribute

clearAttributes

getInvokeFutureMap