DNSRecord (jmdns2 1.0.7 API)

java.lang.Object
- javax.jmdns.impl.DNSEntry
- - javax.jmdns.impl.DNSRecord

直接已知子类:

DNSRecord.Address, DNSRecord.HostInformation, DNSRecord.Pointer, DNSRecord.Service, DNSRecord.Text
```
public abstract class DNSRecord
extends DNSEntry
```
DNS record

作者:

Arthur van Hoff, Rick Blair, Werner Randelshofer, Pierre Frisch

嵌套类概要

嵌套类
限定符和类型	类和说明
`static class`	`DNSRecord.Address` Address record.
`static class`	`DNSRecord.HostInformation`
`static class`	`DNSRecord.IPv4Address`
`static class`	`DNSRecord.IPv6Address`
`static class`	`DNSRecord.Pointer` Pointer record.
`static class`	`DNSRecord.Service` Service record.
`static class`	`DNSRecord.Text`

方法概要

所有方法实例方法抽象方法具体方法
限定符和类型	方法和说明
`boolean`	`equals(java.lang.Object other)`
`long`	`getCreated()`
`java.net.InetAddress`	`getRecordSource()`
`abstract ServiceEvent`	`getServiceEvent(JmDNSImpl dns)` Creates and return a service event for this record.
`ServiceInfo`	`getServiceInfo()` Return a service information associated with that record if appropriate.
`abstract ServiceInfo`	`getServiceInfo(boolean persistent)` Return a service information associated with that record if appropriate.
`int`	`getTTL()`
`void`	`incrementRefreshPercentage()`
`boolean`	`isExpired(long now)` Check if the record is expired.
`abstract boolean`	`isSingleValued()` Determine if a record can have multiple values in the cache.
`boolean`	`isStale(long now)` Check if the record is stale, i.e. it has outlived more than half of its TTL.
`boolean`	`isStaleAndShouldBeRefreshed(long now)` Check if the record is stale and whether the record should be refreshed over the network.
`void`	`setRecordSource(java.net.InetAddress source)`
`void`	`setTTL(int ttl)`
`protected void`	`toString(java.lang.StringBuilder sb)`

从类继承的方法 javax.jmdns.impl.DNSEntry
compareTo, getKey, getName, getQualifiedNameMap, getRecordClass, getRecordType, getSubtype, getType, hashCode, isDomainDiscoveryQuery, isReverseLookup, isSameEntry, isSameRecordClass, isSameType, isServicesDiscoveryMetaQuery, isUnique, isV4ReverseLookup, isV6ReverseLookup, matchRecordClass, matchRecordType, sameSubtype, toByteArray, toByteArray, toString

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

- 方法详细资料
  - equals
```
public boolean equals(java.lang.Object other)
```
    覆盖:
    
    equals 在类中 DNSEntry
  - isExpired
```
public boolean isExpired(long now)
```
    从类复制的说明: DNSEntry
    
    Check if the record is expired.
    
    指定者:
    
    isExpired 在类中 DNSEntry
    
    参数:
    
    now - update date
    
    返回:
    
    true is the record is expired, false otherwise.
  - isStale
```
public boolean isStale(long now)
```
    从类复制的说明: DNSEntry
    
    Check if the record is stale, i.e. it has outlived more than half of its TTL.
    
    指定者:
    
    isStale 在类中 DNSEntry
    
    参数:
    
    now - update date
    
    返回:
    
    true is the record is stale, false otherwise.
  - isStaleAndShouldBeRefreshed
```
public boolean isStaleAndShouldBeRefreshed(long now)
```
    Check if the record is stale and whether the record should be refreshed over the network.
    
    参数:
    
    now - update date
    
    返回:
    
    true is the record is stale and should be refreshed, false otherwise.
  - incrementRefreshPercentage
```
public void incrementRefreshPercentage()
```
  - isSingleValued
```
public abstract boolean isSingleValued()
```
    Determine if a record can have multiple values in the cache.
    
    返回:
    
    false if this record can have multiple values in the cache, true otherwise.
  - getServiceInfo
```
public ServiceInfo getServiceInfo()
```
    Return a service information associated with that record if appropriate.
    
    返回:
    
    service information
  - getServiceInfo
```
public abstract ServiceInfo getServiceInfo(boolean persistent)
```
    Return a service information associated with that record if appropriate.
    
    参数:
    
    persistent - if true ServiceListener.resolveService will be called whenever new new information is received.
    
    返回:
    
    service information
  - getServiceEvent
```
public abstract ServiceEvent getServiceEvent(JmDNSImpl dns)
```
    Creates and return a service event for this record.
    
    参数:
    
    dns - DNS serviced by this event
    
    返回:
    
    service event
  - setRecordSource
```
public void setRecordSource(java.net.InetAddress source)
```
  - getRecordSource
```
public java.net.InetAddress getRecordSource()
```
  - toString
```
protected void toString(java.lang.StringBuilder sb)
```
    覆盖:
    
    toString 在类中 DNSEntry
  - setTTL
```
public void setTTL(int ttl)
```
  - getTTL
```
public int getTTL()
```
  - getCreated
```
public long getCreated()
```

类 DNSRecord

嵌套类概要

方法概要

从类继承的方法 javax.jmdns.impl.DNSEntry

从类继承的方法 java.lang.Object

方法详细资料

equals

isExpired

isStale

isStaleAndShouldBeRefreshed

incrementRefreshPercentage

isSingleValued

getServiceInfo

getServiceInfo

getServiceEvent

setRecordSource

getRecordSource

toString

setTTL

getTTL

getCreated