DnsDiscovery.DnsSeedDiscovery (bitcoinj-core 0.17-alpha2 API)

java.lang.Object
- org.bitcoinj.net.discovery.DnsDiscovery.DnsSeedDiscovery

All Implemented Interfaces:

PeerDiscovery

Enclosing class:

DnsDiscovery
```
public static class DnsDiscovery.DnsSeedDiscovery
extends java.lang.Object
implements PeerDiscovery
```
Implements discovery from a single DNS host.

Constructor Summary

Constructors
Constructor	Description
`DnsSeedDiscovery(Network network, java.lang.String hostname)`
`DnsSeedDiscovery(NetworkParameters params, java.lang.String hostname)`	Deprecated. Use `DnsSeedDiscovery(Network, String)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.util.List<java.net.InetSocketAddress>`	`getPeers(long services, java.time.Duration timeout)`	Queries for addresses.
`void`	`shutdown()`	Stops any discovery in progress when we want to shut down quickly.
`java.lang.String`	`toString()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.bitcoinj.net.discovery.PeerDiscovery
getPeers

- Constructor Detail
  - DnsSeedDiscovery
```
public DnsSeedDiscovery(Network network,
                        java.lang.String hostname)
```
  - DnsSeedDiscovery
```
@Deprecated
public DnsSeedDiscovery(NetworkParameters params,
                        java.lang.String hostname)
```
    Deprecated.
    Use DnsSeedDiscovery(Network, String)
- Method Detail
  - getPeers
```
public java.util.List<java.net.InetSocketAddress> getPeers(long services,
                                                           java.time.Duration timeout)
                                                    throws PeerDiscoveryException
```
    Description copied from interface: PeerDiscovery
    
    Queries for addresses. This method may block.
    
    Specified by:
    
    getPeers in interface PeerDiscovery
    
    Parameters:
    
    services - required services as a bitmask, e.g. Services.NODE_NETWORK
    
    timeout - query timeout
    
    Returns:
    
    found addresses
    
    Throws:
    
    PeerDiscoveryException
  - shutdown
```
public void shutdown()
```
    Description copied from interface: PeerDiscovery
    
    Stops any discovery in progress when we want to shut down quickly.
    
    Specified by:
    
    shutdown in interface PeerDiscovery
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object