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java.lang.Objectjava.util.AbstractMap<java.lang.String,java.util.List<? extends DNSEntry>>
javax.jmdns.impl.DNSCache
public class DNSCache
A table of DNS entries. This is a map table which can handle multiple entries with the same name.
Storing multiple entries with the same name is implemented using a linked list. This is hidden from the user and can change in later implementation. Here's how to iterate over all entries:for (Iterator i=dnscache.allValues().iterator(); i.hasNext(); ) { DNSEntry entry = i.next(); ...do something with entry... }And here's how to iterate over all entries having a given name:
for (Iterator i=dnscache.getDNSEntryList(name).iterator(); i.hasNext(); ) { DNSEntry entry = i.next(); ...do something with entry... }
Nested Class Summary | |
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protected static class |
DNSCache._CacheEntry
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Nested classes/interfaces inherited from class java.util.AbstractMap |
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java.util.AbstractMap.SimpleEntry<K,V>, java.util.AbstractMap.SimpleImmutableEntry<K,V> |
Nested classes/interfaces inherited from interface java.util.Map |
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java.util.Map.Entry<K,V> |
Field Summary | |
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static DNSCache |
EmptyCache
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Constructor Summary | |
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DNSCache()
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DNSCache(DNSCache map)
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DNSCache(int initialCapacity)
Create a table with a given initial size. |
Method Summary | |
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boolean |
addDNSEntry(DNSEntry dnsEntry)
Adds an entry to the table. |
java.util.Collection<DNSEntry> |
allValues()
Returns all entries in the cache |
protected java.lang.Object |
clone()
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java.util.Set<java.util.Map.Entry<java.lang.String,java.util.List<? extends DNSEntry>>> |
entrySet()
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DNSEntry |
getDNSEntry(DNSEntry dnsEntry)
Get a matching DNS entry from the table (using equals). |
DNSEntry |
getDNSEntry(java.lang.String name,
javax.jmdns.impl.constants.DNSRecordType type,
javax.jmdns.impl.constants.DNSRecordClass recordClass)
Get a matching DNS entry from the table. |
java.util.Collection<? extends DNSEntry> |
getDNSEntryList(java.lang.String name)
Iterate only over items with matching name. |
protected java.util.Map.Entry<java.lang.String,java.util.List<? extends DNSEntry>> |
getEntry(java.lang.String key)
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java.util.List<? extends DNSEntry> |
put(java.lang.String key,
java.util.List<? extends DNSEntry> value)
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boolean |
removeDNSEntry(DNSEntry dnsEntry)
Removes a specific entry from the table. |
java.lang.String |
toString()
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Methods inherited from class java.util.AbstractMap |
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clear, containsKey, containsValue, equals, get, hashCode, isEmpty, keySet, putAll, remove, size, values |
Methods inherited from class java.lang.Object |
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finalize, getClass, notify, notifyAll, wait, wait, wait |
Field Detail |
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public static final DNSCache EmptyCache
Constructor Detail |
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public DNSCache()
public DNSCache(DNSCache map)
map
- public DNSCache(int initialCapacity)
initialCapacity
- Method Detail |
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public java.util.Set<java.util.Map.Entry<java.lang.String,java.util.List<? extends DNSEntry>>> entrySet()
entrySet
in interface java.util.Map<java.lang.String,java.util.List<? extends DNSEntry>>
entrySet
in class java.util.AbstractMap<java.lang.String,java.util.List<? extends DNSEntry>>
protected java.util.Map.Entry<java.lang.String,java.util.List<? extends DNSEntry>> getEntry(java.lang.String key)
key
-
public java.util.List<? extends DNSEntry> put(java.lang.String key, java.util.List<? extends DNSEntry> value)
put
in interface java.util.Map<java.lang.String,java.util.List<? extends DNSEntry>>
put
in class java.util.AbstractMap<java.lang.String,java.util.List<? extends DNSEntry>>
protected java.lang.Object clone() throws java.lang.CloneNotSupportedException
clone
in class java.util.AbstractMap<java.lang.String,java.util.List<? extends DNSEntry>>
java.lang.CloneNotSupportedException
public java.util.Collection<DNSEntry> allValues()
public java.util.Collection<? extends DNSEntry> getDNSEntryList(java.lang.String name)
name
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public DNSEntry getDNSEntry(DNSEntry dnsEntry)
dnsEntry
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public DNSEntry getDNSEntry(java.lang.String name, javax.jmdns.impl.constants.DNSRecordType type, javax.jmdns.impl.constants.DNSRecordClass recordClass)
name
- type
- recordClass
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public boolean addDNSEntry(DNSEntry dnsEntry)
dnsEntry
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public boolean removeDNSEntry(DNSEntry dnsEntry)
dnsEntry
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public java.lang.String toString()
toString
in class java.util.AbstractMap<java.lang.String,java.util.List<? extends DNSEntry>>
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