https://cassandra.apache.org: The Apache Cassandra Project develops a highly scalable second-generation distributed database, bringing together Dynamo's fully distributed design and Bigtable's ColumnFamily-based data model.
  • Andres de la Peña
  • Avinash Lakshman
  • Aleksey Yeschenko
  • Aaron Morton
  • Ariel Weisberg
  • Blake Eggleston
  • Benedict Elliott Smith
  • Benjamin Lerer
  • Branimir Lambov
  • Brandon Williams
  • Carl Yeksigian
  • David Brosiusd
  • Dikang Gu
  • Eric Evans
  • Gary Dusbabek
  • Chris Goffinet
  • Alex Petrov
  • Laine Jaakko Olavi
  • T Jake Luciani
  • Jason Brown
  • Jonathan Ellis
  • Jake Farrell
  • Jeff Jirsa
  • Joel Knighton
  • Josh McKenzie
  • Johan Oskarsson
  • Jun Rao
  • Jay Zhuang
  • Sankalp Kohli
  • Marcus Eriksson
  • Michael Semb Wever
  • Mikhail Stepura
  • Michael Shuler
  • Paulo Motta
  • Prashant Malik
  • Robert Stupp
  • Peter Schuller
  • Sam Tunnicliffe
  • Sylvain Lebresne
  • Stefania Alborghetti
  • Tyler Hobbs
  • Vijay Parthasarathy
  • Pavel Yaskevich
  • Yuki Morishita
  • Nate McCall 
public class org.apache.cassandra.client.RingCache
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.apache.cassandra.client.RingCache
  super_class: java.lang.Object
{
  private static final org.slf4j.Logger logger;
    descriptor: Lorg/slf4j/Logger;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private final org.apache.cassandra.dht.IPartitioner partitioner;
    descriptor: Lorg/apache/cassandra/dht/IPartitioner;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final org.apache.hadoop.conf.Configuration conf;
    descriptor: Lorg/apache/hadoop/conf/Configuration;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private com.google.common.collect.Multimap<org.apache.cassandra.dht.Range<org.apache.cassandra.dht.Token>, java.net.InetAddress> rangeMap;
    descriptor: Lcom/google/common/collect/Multimap;
    flags: (0x0002) ACC_PRIVATE
    Signature: Lcom/google/common/collect/Multimap<Lorg/apache/cassandra/dht/Range<Lorg/apache/cassandra/dht/Token;>;Ljava/net/InetAddress;>;

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 47
            ldc Lorg/apache/cassandra/client/RingCache;
            invokestatic org.slf4j.LoggerFactory.getLogger:(Ljava/lang/Class;)Lorg/slf4j/Logger;
            putstatic org.apache.cassandra.client.RingCache.logger:Lorg/slf4j/Logger;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>(org.apache.hadoop.conf.Configuration);
    descriptor: (Lorg/apache/hadoop/conf/Configuration;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.cassandra.client.RingCache this
        start local 1 // org.apache.hadoop.conf.Configuration conf
         0: .line 54
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 56
            aload 0 /* this */
            aload 1 /* conf */
            putfield org.apache.cassandra.client.RingCache.conf:Lorg/apache/hadoop/conf/Configuration;
         2: .line 57
            aload 0 /* this */
            aload 1 /* conf */
            invokestatic org.apache.cassandra.hadoop.ConfigHelper.getOutputPartitioner:(Lorg/apache/hadoop/conf/Configuration;)Lorg/apache/cassandra/dht/IPartitioner;
            putfield org.apache.cassandra.client.RingCache.partitioner:Lorg/apache/cassandra/dht/IPartitioner;
         3: .line 58
            aload 0 /* this */
            invokevirtual org.apache.cassandra.client.RingCache.refreshEndpointMap:()V
         4: .line 59
            return
        end local 1 // org.apache.hadoop.conf.Configuration conf
        end local 0 // org.apache.cassandra.client.RingCache this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    5     0  this  Lorg/apache/cassandra/client/RingCache;
            0    5     1  conf  Lorg/apache/hadoop/conf/Configuration;
    MethodParameters:
      Name  Flags
      conf  

  public void refreshEndpointMap();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=12, args_size=1
        start local 0 // org.apache.cassandra.client.RingCache this
         0: .line 65
            aload 0 /* this */
            getfield org.apache.cassandra.client.RingCache.conf:Lorg/apache/hadoop/conf/Configuration;
            invokestatic org.apache.cassandra.hadoop.ConfigHelper.getClientFromOutputAddressList:(Lorg/apache/hadoop/conf/Configuration;)Lorg/apache/cassandra/thrift/Cassandra$Client;
            astore 1 /* client */
        start local 1 // org.apache.cassandra.thrift.Cassandra$Client client
         1: .line 67
            aload 0 /* this */
            getfield org.apache.cassandra.client.RingCache.conf:Lorg/apache/hadoop/conf/Configuration;
            invokestatic org.apache.cassandra.hadoop.ConfigHelper.getOutputKeyspace:(Lorg/apache/hadoop/conf/Configuration;)Ljava/lang/String;
            astore 2 /* keyspace */
        start local 2 // java.lang.String keyspace
         2: .line 68
            aload 0 /* this */
            getfield org.apache.cassandra.client.RingCache.conf:Lorg/apache/hadoop/conf/Configuration;
            invokestatic org.apache.cassandra.hadoop.ConfigHelper.getOutputLocalDCOnly:(Lorg/apache/hadoop/conf/Configuration;)Z
            ifeq 4
         3: .line 69
            aload 1 /* client */
            aload 2 /* keyspace */
            invokevirtual org.apache.cassandra.thrift.Cassandra$Client.describe_local_ring:(Ljava/lang/String;)Ljava/util/List;
            goto 5
         4: .line 70
      StackMap locals: org.apache.cassandra.thrift.Cassandra$Client java.lang.String
      StackMap stack:
            aload 1 /* client */
            aload 2 /* keyspace */
            invokevirtual org.apache.cassandra.thrift.Cassandra$Client.describe_ring:(Ljava/lang/String;)Ljava/util/List;
         5: .line 68
      StackMap locals:
      StackMap stack: java.util.List
            astore 3 /* ring */
        start local 3 // java.util.List ring
         6: .line 71
            aload 0 /* this */
            invokestatic com.google.common.collect.ArrayListMultimap.create:()Lcom/google/common/collect/ArrayListMultimap;
            putfield org.apache.cassandra.client.RingCache.rangeMap:Lcom/google/common/collect/Multimap;
         7: .line 73
            aload 3 /* ring */
            invokeinterface java.util.List.iterator:()Ljava/util/Iterator;
            astore 5
            goto 19
      StackMap locals: org.apache.cassandra.client.RingCache org.apache.cassandra.thrift.Cassandra$Client java.lang.String java.util.List top java.util.Iterator
      StackMap stack:
         8: aload 5
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.apache.cassandra.thrift.TokenRange
            astore 4 /* range */
        start local 4 // org.apache.cassandra.thrift.TokenRange range
         9: .line 75
            aload 0 /* this */
            getfield org.apache.cassandra.client.RingCache.partitioner:Lorg/apache/cassandra/dht/IPartitioner;
            invokeinterface org.apache.cassandra.dht.IPartitioner.getTokenFactory:()Lorg/apache/cassandra/dht/Token$TokenFactory;
            aload 4 /* range */
            getfield org.apache.cassandra.thrift.TokenRange.start_token:Ljava/lang/String;
            invokevirtual org.apache.cassandra.dht.Token$TokenFactory.fromString:(Ljava/lang/String;)Lorg/apache/cassandra/dht/Token;
            astore 6 /* left */
        start local 6 // org.apache.cassandra.dht.Token left
        10: .line 76
            aload 0 /* this */
            getfield org.apache.cassandra.client.RingCache.partitioner:Lorg/apache/cassandra/dht/IPartitioner;
            invokeinterface org.apache.cassandra.dht.IPartitioner.getTokenFactory:()Lorg/apache/cassandra/dht/Token$TokenFactory;
            aload 4 /* range */
            getfield org.apache.cassandra.thrift.TokenRange.end_token:Ljava/lang/String;
            invokevirtual org.apache.cassandra.dht.Token$TokenFactory.fromString:(Ljava/lang/String;)Lorg/apache/cassandra/dht/Token;
            astore 7 /* right */
        start local 7 // org.apache.cassandra.dht.Token right
        11: .line 77
            new org.apache.cassandra.dht.Range
            dup
            aload 6 /* left */
            aload 7 /* right */
            invokespecial org.apache.cassandra.dht.Range.<init>:(Lorg/apache/cassandra/dht/RingPosition;Lorg/apache/cassandra/dht/RingPosition;)V
            astore 8 /* r */
        start local 8 // org.apache.cassandra.dht.Range r
        12: .line 78
            aload 4 /* range */
            getfield org.apache.cassandra.thrift.TokenRange.endpoints:Ljava/util/List;
            invokeinterface java.util.List.iterator:()Ljava/util/Iterator;
            astore 10
            goto 18
      StackMap locals: org.apache.cassandra.client.RingCache org.apache.cassandra.thrift.Cassandra$Client java.lang.String java.util.List org.apache.cassandra.thrift.TokenRange java.util.Iterator org.apache.cassandra.dht.Token org.apache.cassandra.dht.Token org.apache.cassandra.dht.Range top java.util.Iterator
      StackMap stack:
        13: aload 10
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast java.lang.String
            astore 9 /* host */
        start local 9 // java.lang.String host
        14: .line 82
            aload 0 /* this */
            getfield org.apache.cassandra.client.RingCache.rangeMap:Lcom/google/common/collect/Multimap;
            aload 8 /* r */
            aload 9 /* host */
            invokestatic java.net.InetAddress.getByName:(Ljava/lang/String;)Ljava/net/InetAddress;
            invokeinterface com.google.common.collect.Multimap.put:(Ljava/lang/Object;Ljava/lang/Object;)Z
            pop
        15: .line 83
            goto 18
      StackMap locals: org.apache.cassandra.client.RingCache org.apache.cassandra.thrift.Cassandra$Client java.lang.String java.util.List org.apache.cassandra.thrift.TokenRange java.util.Iterator org.apache.cassandra.dht.Token org.apache.cassandra.dht.Token org.apache.cassandra.dht.Range java.lang.String java.util.Iterator
      StackMap stack: java.net.UnknownHostException
        16: astore 11 /* e */
        start local 11 // java.net.UnknownHostException e
        17: .line 85
            new java.lang.AssertionError
            dup
            aload 11 /* e */
            invokespecial java.lang.AssertionError.<init>:(Ljava/lang/Object;)V
            athrow
        end local 11 // java.net.UnknownHostException e
        end local 9 // java.lang.String host
        18: .line 78
      StackMap locals: org.apache.cassandra.client.RingCache org.apache.cassandra.thrift.Cassandra$Client java.lang.String java.util.List org.apache.cassandra.thrift.TokenRange java.util.Iterator org.apache.cassandra.dht.Token org.apache.cassandra.dht.Token org.apache.cassandra.dht.Range top java.util.Iterator
      StackMap stack:
            aload 10
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 13
        end local 8 // org.apache.cassandra.dht.Range r
        end local 7 // org.apache.cassandra.dht.Token right
        end local 6 // org.apache.cassandra.dht.Token left
        end local 4 // org.apache.cassandra.thrift.TokenRange range
        19: .line 73
      StackMap locals: org.apache.cassandra.client.RingCache org.apache.cassandra.thrift.Cassandra$Client java.lang.String java.util.List top java.util.Iterator
      StackMap stack:
            aload 5
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 8
        end local 3 // java.util.List ring
        end local 2 // java.lang.String keyspace
        end local 1 // org.apache.cassandra.thrift.Cassandra$Client client
        20: .line 89
            goto 25
        21: .line 90
      StackMap locals: org.apache.cassandra.client.RingCache
      StackMap stack: java.io.IOException
            astore 1 /* e */
        start local 1 // java.io.IOException e
        22: .line 92
            new java.lang.RuntimeException
            dup
            aload 1 /* e */
            invokespecial java.lang.RuntimeException.<init>:(Ljava/lang/Throwable;)V
            athrow
        end local 1 // java.io.IOException e
        23: .line 94
      StackMap locals:
      StackMap stack: org.apache.thrift.TException
            astore 1 /* e */
        start local 1 // org.apache.thrift.TException e
        24: .line 96
            getstatic org.apache.cassandra.client.RingCache.logger:Lorg/slf4j/Logger;
            ldc "Error contacting seed list {} {}"
            aload 0 /* this */
            getfield org.apache.cassandra.client.RingCache.conf:Lorg/apache/hadoop/conf/Configuration;
            invokestatic org.apache.cassandra.hadoop.ConfigHelper.getOutputInitialAddress:(Lorg/apache/hadoop/conf/Configuration;)Ljava/lang/String;
            aload 1 /* e */
            invokevirtual org.apache.thrift.TException.getMessage:()Ljava/lang/String;
            invokeinterface org.slf4j.Logger.trace:(Ljava/lang/String;Ljava/lang/Object;Ljava/lang/Object;)V
        end local 1 // org.apache.thrift.TException e
        25: .line 98
      StackMap locals:
      StackMap stack:
            return
        end local 0 // org.apache.cassandra.client.RingCache this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   26     0      this  Lorg/apache/cassandra/client/RingCache;
            1   20     1    client  Lorg/apache/cassandra/thrift/Cassandra$Client;
            2   20     2  keyspace  Ljava/lang/String;
            6   20     3      ring  Ljava/util/List<Lorg/apache/cassandra/thrift/TokenRange;>;
            9   19     4     range  Lorg/apache/cassandra/thrift/TokenRange;
           10   19     6      left  Lorg/apache/cassandra/dht/Token;
           11   19     7     right  Lorg/apache/cassandra/dht/Token;
           12   19     8         r  Lorg/apache/cassandra/dht/Range<Lorg/apache/cassandra/dht/Token;>;
           14   18     9      host  Ljava/lang/String;
           17   18    11         e  Ljava/net/UnknownHostException;
           22   23     1         e  Ljava/io/IOException;
           24   25     1         e  Lorg/apache/thrift/TException;
      Exception table:
        from    to  target  type
          14    15      16  Class java.net.UnknownHostException
           0    20      21  Class java.io.IOException
           0    20      23  Class org.apache.thrift.TException

  public java.util.List<java.net.InetAddress> getEndpoint(org.apache.cassandra.dht.Range<org.apache.cassandra.dht.Token>);
    descriptor: (Lorg/apache/cassandra/dht/Range;)Ljava/util/List;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.cassandra.client.RingCache this
        start local 1 // org.apache.cassandra.dht.Range range
         0: .line 103
            aload 0 /* this */
            getfield org.apache.cassandra.client.RingCache.rangeMap:Lcom/google/common/collect/Multimap;
            aload 1 /* range */
            invokeinterface com.google.common.collect.Multimap.get:(Ljava/lang/Object;)Ljava/util/Collection;
            checkcast java.util.List
            areturn
        end local 1 // org.apache.cassandra.dht.Range range
        end local 0 // org.apache.cassandra.client.RingCache this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0   this  Lorg/apache/cassandra/client/RingCache;
            0    1     1  range  Lorg/apache/cassandra/dht/Range<Lorg/apache/cassandra/dht/Token;>;
    Signature: (Lorg/apache/cassandra/dht/Range<Lorg/apache/cassandra/dht/Token;>;)Ljava/util/List<Ljava/net/InetAddress;>;
    MethodParameters:
       Name  Flags
      range  

  public java.util.List<java.net.InetAddress> getEndpoint(java.nio.ByteBuffer);
    descriptor: (Ljava/nio/ByteBuffer;)Ljava/util/List;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.apache.cassandra.client.RingCache this
        start local 1 // java.nio.ByteBuffer key
         0: .line 108
            aload 0 /* this */
            aload 0 /* this */
            aload 1 /* key */
            invokevirtual org.apache.cassandra.client.RingCache.getRange:(Ljava/nio/ByteBuffer;)Lorg/apache/cassandra/dht/Range;
            invokevirtual org.apache.cassandra.client.RingCache.getEndpoint:(Lorg/apache/cassandra/dht/Range;)Ljava/util/List;
            areturn
        end local 1 // java.nio.ByteBuffer key
        end local 0 // org.apache.cassandra.client.RingCache this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/cassandra/client/RingCache;
            0    1     1   key  Ljava/nio/ByteBuffer;
    Signature: (Ljava/nio/ByteBuffer;)Ljava/util/List<Ljava/net/InetAddress;>;
    MethodParameters:
      Name  Flags
      key   

  public org.apache.cassandra.dht.Range<org.apache.cassandra.dht.Token> getRange(java.nio.ByteBuffer);
    descriptor: (Ljava/nio/ByteBuffer;)Lorg/apache/cassandra/dht/Range;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=5, args_size=2
        start local 0 // org.apache.cassandra.client.RingCache this
        start local 1 // java.nio.ByteBuffer key
         0: .line 114
            aload 0 /* this */
            getfield org.apache.cassandra.client.RingCache.partitioner:Lorg/apache/cassandra/dht/IPartitioner;
            aload 1 /* key */
            invokeinterface org.apache.cassandra.dht.IPartitioner.getToken:(Ljava/nio/ByteBuffer;)Lorg/apache/cassandra/dht/Token;
            astore 2 /* t */
        start local 2 // org.apache.cassandra.dht.Token t
         1: .line 115
            aload 0 /* this */
            getfield org.apache.cassandra.client.RingCache.rangeMap:Lcom/google/common/collect/Multimap;
            invokeinterface com.google.common.collect.Multimap.keySet:()Ljava/util/Set;
            invokeinterface java.util.Set.iterator:()Ljava/util/Iterator;
            astore 4
            goto 5
      StackMap locals: org.apache.cassandra.client.RingCache java.nio.ByteBuffer org.apache.cassandra.dht.Token top java.util.Iterator
      StackMap stack:
         2: aload 4
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            checkcast org.apache.cassandra.dht.Range
            astore 3 /* range */
        start local 3 // org.apache.cassandra.dht.Range range
         3: .line 116
            aload 3 /* range */
            aload 2 /* t */
            invokevirtual org.apache.cassandra.dht.Range.contains:(Lorg/apache/cassandra/dht/RingPosition;)Z
            ifeq 5
         4: .line 117
            aload 3 /* range */
            areturn
        end local 3 // org.apache.cassandra.dht.Range range
         5: .line 115
      StackMap locals:
      StackMap stack:
            aload 4
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 2
         6: .line 119
            new java.lang.RuntimeException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Invalid token information returned by describe_ring: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 0 /* this */
            getfield org.apache.cassandra.client.RingCache.rangeMap:Lcom/google/common/collect/Multimap;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.lang.RuntimeException.<init>:(Ljava/lang/String;)V
            athrow
        end local 2 // org.apache.cassandra.dht.Token t
        end local 1 // java.nio.ByteBuffer key
        end local 0 // org.apache.cassandra.client.RingCache this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    7     0   this  Lorg/apache/cassandra/client/RingCache;
            0    7     1    key  Ljava/nio/ByteBuffer;
            1    7     2      t  Lorg/apache/cassandra/dht/Token;
            3    5     3  range  Lorg/apache/cassandra/dht/Range<Lorg/apache/cassandra/dht/Token;>;
    Signature: (Ljava/nio/ByteBuffer;)Lorg/apache/cassandra/dht/Range<Lorg/apache/cassandra/dht/Token;>;
    MethodParameters:
      Name  Flags
      key   
}
SourceFile: "RingCache.java"
InnerClasses:
  public abstract TokenFactory = org.apache.cassandra.dht.Token$TokenFactory of org.apache.cassandra.dht.Token
  public Client = org.apache.cassandra.thrift.Cassandra$Client of org.apache.cassandra.thrift.Cassandra