DNSEntry (jmdns2 1.0.7 API)

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

直接已知子类:

DNSQuestion, DNSRecord
```
public abstract class DNSEntry
extends java.lang.Object
```
DNS entry with a name, type, and class. This is the base class for questions and records.

作者:

Arthur van Hoff, Pierre Frisch, Rick Blair

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
`int`	`compareTo(DNSEntry that)` Does a lexicographic comparison of the byte array representation of this record and that record.
`boolean`	`equals(java.lang.Object obj)`
`java.lang.String`	`getKey()` Returns the key for this entry.
`java.lang.String`	`getName()` Returns the name of this entry
`java.util.Map<ServiceInfo.Fields,java.lang.String>`	`getQualifiedNameMap()`
`DNSRecordClass`	`getRecordClass()`
`DNSRecordType`	`getRecordType()`
`java.lang.String`	`getSubtype()` Returns the subtype of this entry
`java.lang.String`	`getType()`
`int`	`hashCode()` Overriden, to return a value which is consistent with the value returned by equals(Object).
`boolean`	`isDomainDiscoveryQuery()`
`abstract boolean`	`isExpired(long now)` Check if the record is expired.
`boolean`	`isReverseLookup()`
`boolean`	`isSameEntry(DNSEntry entry)` Check if two entries have exactly the same name, type, and class.
`boolean`	`isSameRecordClass(DNSEntry entry)` Check that 2 entries are of the same class.
`boolean`	`isSameType(DNSEntry entry)` Check that 2 entries are of the same type.
`boolean`	`isServicesDiscoveryMetaQuery()`
`abstract boolean`	`isStale(long now)` Check if the record is stale, i.e. it has outlived more than half of its TTL.
`boolean`	`isUnique()`
`boolean`	`isV4ReverseLookup()`
`boolean`	`isV6ReverseLookup()`
`boolean`	`matchRecordClass(DNSRecordClass recordClass)` Check if the requested record class match the current record class
`boolean`	`matchRecordType(DNSRecordType recordType)` Check if the requested record tyep match the current record type
`boolean`	`sameSubtype(DNSEntry other)` Check if two entries have the same subtype.
`protected byte[]`	`toByteArray()` Creates a byte array representation of this record.
`protected void`	`toByteArray(java.io.DataOutputStream dout)`
`java.lang.String`	`toString()`
`protected void`	`toString(java.lang.StringBuilder sb)`

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 obj)
```
    覆盖:
    
    equals 在类中 java.lang.Object
  - isSameEntry
```
public boolean isSameEntry(DNSEntry entry)
```
    Check if two entries have exactly the same name, type, and class.
    
    参数:
    
    entry -
    
    返回:
    
    true if the two entries have are for the same record, false otherwise
  - sameSubtype
```
public boolean sameSubtype(DNSEntry other)
```
    Check if two entries have the same subtype.
    
    参数:
    
    other -
    
    返回:
    
    true if the two entries have are for the same subtype, false otherwise
  - matchRecordClass
```
public boolean matchRecordClass(DNSRecordClass recordClass)
```
    Check if the requested record class match the current record class
    
    参数:
    
    recordClass -
    
    返回:
    
    true if the two entries have compatible class, false otherwise
  - matchRecordType
```
public boolean matchRecordType(DNSRecordType recordType)
```
    Check if the requested record tyep match the current record type
    
    参数:
    
    recordType -
    
    返回:
    
    true if the two entries have compatible type, false otherwise
  - getSubtype
```
public java.lang.String getSubtype()
```
    Returns the subtype of this entry
    
    返回:
    
    subtype of this entry
  - getName
```
public java.lang.String getName()
```
    Returns the name of this entry
    
    返回:
    
    name of this entry
  - getType
```
public java.lang.String getType()
```
    返回:
    
    the type
  - getKey
```
public java.lang.String getKey()
```
    Returns the key for this entry. The key is the lower case name.
    
    返回:
    
    key for this entry
  - getRecordType
```
public DNSRecordType getRecordType()
```
    返回:
    
    record type
  - getRecordClass
```
public DNSRecordClass getRecordClass()
```
    返回:
    
    record class
  - isUnique
```
public boolean isUnique()
```
    返回:
    
    true if unique
  - getQualifiedNameMap
```
public java.util.Map<ServiceInfo.Fields,java.lang.String> getQualifiedNameMap()
```
  - isServicesDiscoveryMetaQuery
```
public boolean isServicesDiscoveryMetaQuery()
```
  - isDomainDiscoveryQuery
```
public boolean isDomainDiscoveryQuery()
```
  - isReverseLookup
```
public boolean isReverseLookup()
```
  - isV4ReverseLookup
```
public boolean isV4ReverseLookup()
```
  - isV6ReverseLookup
```
public boolean isV6ReverseLookup()
```
  - isStale
```
public abstract boolean isStale(long now)
```
    Check if the record is stale, i.e. it has outlived more than half of its TTL.
    
    参数:
    
    now - update date
    
    返回:
    
    true is the record is stale, false otherwise.
  - isExpired
```
public abstract boolean isExpired(long now)
```
    Check if the record is expired.
    
    参数:
    
    now - update date
    
    返回:
    
    true is the record is expired, false otherwise.
  - isSameRecordClass
```
public boolean isSameRecordClass(DNSEntry entry)
```
    Check that 2 entries are of the same class.
    
    参数:
    
    entry -
    
    返回:
    
    true is the two class are the same, false otherwise.
  - isSameType
```
public boolean isSameType(DNSEntry entry)
```
    Check that 2 entries are of the same type.
    
    参数:
    
    entry -
    
    返回:
    
    true is the two type are the same, false otherwise.
  - toByteArray
```
protected void toByteArray(java.io.DataOutputStream dout)
                    throws java.io.IOException
```
    参数:
    
    dout -
    
    抛出:
    
    java.io.IOException
  - toByteArray
```
protected byte[] toByteArray()
```
    Creates a byte array representation of this record. This is needed for tie-break tests according to draft-cheshire-dnsext-multicastdns-04.txt chapter 9.2.
    
    返回:
    
    byte array representation
  - compareTo
```
public int compareTo(DNSEntry that)
```
    Does a lexicographic comparison of the byte array representation of this record and that record. This is needed for tie-break tests according to draft-cheshire-dnsext-multicastdns-04.txt chapter 9.2.
    
    参数:
    
    that -
    
    返回:
    
    a negative integer, zero, or a positive integer as this object is less than, equal to, or greater than the specified object.
  - hashCode
```
public int hashCode()
```
    Overriden, to return a value which is consistent with the value returned by equals(Object).
    
    覆盖:
    
    hashCode 在类中 java.lang.Object
  - toString
```
public java.lang.String toString()
```
    覆盖:
    
    toString 在类中 java.lang.Object
  - toString
```
protected void toString(java.lang.StringBuilder sb)
```
    参数:
    
    sb -

类 DNSEntry

方法概要

从类继承的方法 java.lang.Object

方法详细资料

equals

isSameEntry

sameSubtype

matchRecordClass

matchRecordType

getSubtype

getName

getType

getKey

getRecordType

getRecordClass

isUnique

getQualifiedNameMap

isServicesDiscoveryMetaQuery

isDomainDiscoveryQuery

isReverseLookup

isV4ReverseLookup

isV6ReverseLookup

isStale

isExpired

isSameRecordClass

isSameType

toByteArray

toByteArray

compareTo

hashCode

toString

toString