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RotationalDnsServerAddresses Class — netty Architecture

Architecture documentation for the RotationalDnsServerAddresses class in RotationalDnsServerAddresses.java from the netty codebase.

Class java

Entity Profile

Dependency Diagram

graph TD
  fb221381_a51d_3f48_f31c_6911411377dc["RotationalDnsServerAddresses"]
  0e25346b_48e0_3b71_122c_cb028b07d16c["RotationalDnsServerAddresses.java"]
  fb221381_a51d_3f48_f31c_6911411377dc -->|defined in| 0e25346b_48e0_3b71_122c_cb028b07d16c
  5e49dfc8_b271_93ef_a7e6_068cee00ef71["RotationalDnsServerAddresses()"]
  fb221381_a51d_3f48_f31c_6911411377dc -->|method| 5e49dfc8_b271_93ef_a7e6_068cee00ef71
  93a03596_1f1d_c1d1_ab28_dc42ddf51f68["DnsServerAddressStream()"]
  fb221381_a51d_3f48_f31c_6911411377dc -->|method| 93a03596_1f1d_c1d1_ab28_dc42ddf51f68

Relationship Graph

Source Code

resolver-dns/src/main/java/io/netty/resolver/dns/RotationalDnsServerAddresses.java lines 23–48

final class RotationalDnsServerAddresses extends DefaultDnsServerAddresses {

    private static final AtomicIntegerFieldUpdater<RotationalDnsServerAddresses> startIdxUpdater =
            AtomicIntegerFieldUpdater.newUpdater(RotationalDnsServerAddresses.class, "startIdx");

    @SuppressWarnings("UnusedDeclaration")
    private volatile int startIdx;

    RotationalDnsServerAddresses(List<InetSocketAddress> addresses) {
        super("rotational", addresses);
    }

    @Override
    public DnsServerAddressStream stream() {
        for (;;) {
            int curStartIdx = startIdx;
            int nextStartIdx = curStartIdx + 1;
            if (nextStartIdx >= addresses.size()) {
                nextStartIdx = 0;
            }
            if (startIdxUpdater.compareAndSet(this, curStartIdx, nextStartIdx)) {
                return new SequentialDnsServerAddressStream(addresses, curStartIdx);
            }
        }
    }
}

Defined In

Source

Frequently Asked Questions

What is the RotationalDnsServerAddresses class?
RotationalDnsServerAddresses is a class in the netty codebase, defined in resolver-dns/src/main/java/io/netty/resolver/dns/RotationalDnsServerAddresses.java.
Where is RotationalDnsServerAddresses defined?
RotationalDnsServerAddresses is defined in resolver-dns/src/main/java/io/netty/resolver/dns/RotationalDnsServerAddresses.java at line 23.

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