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 abstract class org.apache.cassandra.tools.AbstractJmxClient implements java.io.Closeable
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: org.apache.cassandra.tools.AbstractJmxClient
  super_class: java.lang.Object
{
  private static final org.apache.commons.cli.Options options;
    descriptor: Lorg/apache/commons/cli/Options;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  protected static final int DEFAULT_JMX_PORT;
    descriptor: I
    flags: (0x001c) ACC_PROTECTED, ACC_STATIC, ACC_FINAL
    ConstantValue: 7199

  protected static final java.lang.String DEFAULT_HOST;
    descriptor: Ljava/lang/String;
    flags: (0x001c) ACC_PROTECTED, ACC_STATIC, ACC_FINAL
    ConstantValue: "localhost"

  protected final java.lang.String host;
    descriptor: Ljava/lang/String;
    flags: (0x0014) ACC_PROTECTED, ACC_FINAL

  protected final int port;
    descriptor: I
    flags: (0x0014) ACC_PROTECTED, ACC_FINAL

  protected final java.lang.String username;
    descriptor: Ljava/lang/String;
    flags: (0x0014) ACC_PROTECTED, ACC_FINAL

  protected final java.lang.String password;
    descriptor: Ljava/lang/String;
    flags: (0x0014) ACC_PROTECTED, ACC_FINAL

  protected org.apache.cassandra.tools.JMXConnection jmxConn;
    descriptor: Lorg/apache/cassandra/tools/JMXConnection;
    flags: (0x0004) ACC_PROTECTED

  protected java.io.PrintStream out;
    descriptor: Ljava/io/PrintStream;
    flags: (0x0004) ACC_PROTECTED

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=5, locals=0, args_size=0
         0: .line 44
            new org.apache.commons.cli.Options
            dup
            invokespecial org.apache.commons.cli.Options.<init>:()V
            putstatic org.apache.cassandra.tools.AbstractJmxClient.options:Lorg/apache/commons/cli/Options;
         1: .line 57
            getstatic org.apache.cassandra.tools.AbstractJmxClient.options:Lorg/apache/commons/cli/Options;
            ldc "h"
            ldc "host"
            iconst_1
            ldc "JMX hostname or IP address (Default: localhost)"
            invokevirtual org.apache.commons.cli.Options.addOption:(Ljava/lang/String;Ljava/lang/String;ZLjava/lang/String;)Lorg/apache/commons/cli/Options;
            pop
         2: .line 58
            getstatic org.apache.cassandra.tools.AbstractJmxClient.options:Lorg/apache/commons/cli/Options;
            ldc "p"
            ldc "port"
            iconst_1
            ldc "JMX port number (Default: 7199)"
            invokevirtual org.apache.commons.cli.Options.addOption:(Ljava/lang/String;Ljava/lang/String;ZLjava/lang/String;)Lorg/apache/commons/cli/Options;
            pop
         3: .line 59
            getstatic org.apache.cassandra.tools.AbstractJmxClient.options:Lorg/apache/commons/cli/Options;
            ldc "u"
            ldc "username"
            iconst_1
            ldc "JMX username"
            invokevirtual org.apache.commons.cli.Options.addOption:(Ljava/lang/String;Ljava/lang/String;ZLjava/lang/String;)Lorg/apache/commons/cli/Options;
            pop
         4: .line 60
            getstatic org.apache.cassandra.tools.AbstractJmxClient.options:Lorg/apache/commons/cli/Options;
            ldc "pw"
            ldc "password"
            iconst_1
            ldc "JMX password"
            invokevirtual org.apache.commons.cli.Options.addOption:(Ljava/lang/String;Ljava/lang/String;ZLjava/lang/String;)Lorg/apache/commons/cli/Options;
            pop
         5: .line 61
            getstatic org.apache.cassandra.tools.AbstractJmxClient.options:Lorg/apache/commons/cli/Options;
            ldc "H"
            ldc "help"
            iconst_0
            ldc "Print help information"
            invokevirtual org.apache.commons.cli.Options.addOption:(Ljava/lang/String;Ljava/lang/String;ZLjava/lang/String;)Lorg/apache/commons/cli/Options;
            pop
         6: .line 62
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>(java.lang.String, java.lang.Integer, java.lang.String, java.lang.String);
    descriptor: (Ljava/lang/String;Ljava/lang/Integer;Ljava/lang/String;Ljava/lang/String;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=7, locals=5, args_size=5
        start local 0 // org.apache.cassandra.tools.AbstractJmxClient this
        start local 1 // java.lang.String host
        start local 2 // java.lang.Integer port
        start local 3 // java.lang.String username
        start local 4 // java.lang.String password
         0: .line 64
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 53
            aload 0 /* this */
            getstatic java.lang.System.out:Ljava/io/PrintStream;
            putfield org.apache.cassandra.tools.AbstractJmxClient.out:Ljava/io/PrintStream;
         2: .line 66
            aload 0 /* this */
            aload 1 /* host */
            ifnull 3
            aload 1 /* host */
            goto 4
      StackMap locals: org.apache.cassandra.tools.AbstractJmxClient java.lang.String java.lang.Integer java.lang.String java.lang.String
      StackMap stack: org.apache.cassandra.tools.AbstractJmxClient
         3: ldc "localhost"
      StackMap locals: org.apache.cassandra.tools.AbstractJmxClient java.lang.String java.lang.Integer java.lang.String java.lang.String
      StackMap stack: org.apache.cassandra.tools.AbstractJmxClient java.lang.String
         4: putfield org.apache.cassandra.tools.AbstractJmxClient.host:Ljava/lang/String;
         5: .line 67
            aload 0 /* this */
            aload 2 /* port */
            ifnull 6
            aload 2 /* port */
            invokevirtual java.lang.Integer.intValue:()I
            goto 7
      StackMap locals:
      StackMap stack: org.apache.cassandra.tools.AbstractJmxClient
         6: sipush 7199
      StackMap locals: org.apache.cassandra.tools.AbstractJmxClient java.lang.String java.lang.Integer java.lang.String java.lang.String
      StackMap stack: org.apache.cassandra.tools.AbstractJmxClient int
         7: putfield org.apache.cassandra.tools.AbstractJmxClient.port:I
         8: .line 68
            aload 0 /* this */
            aload 3 /* username */
            putfield org.apache.cassandra.tools.AbstractJmxClient.username:Ljava/lang/String;
         9: .line 69
            aload 0 /* this */
            aload 4 /* password */
            putfield org.apache.cassandra.tools.AbstractJmxClient.password:Ljava/lang/String;
        10: .line 70
            aload 0 /* this */
            new org.apache.cassandra.tools.JMXConnection
            dup
            aload 0 /* this */
            getfield org.apache.cassandra.tools.AbstractJmxClient.host:Ljava/lang/String;
            aload 0 /* this */
            getfield org.apache.cassandra.tools.AbstractJmxClient.port:I
            aload 3 /* username */
            aload 4 /* password */
            invokespecial org.apache.cassandra.tools.JMXConnection.<init>:(Ljava/lang/String;ILjava/lang/String;Ljava/lang/String;)V
            putfield org.apache.cassandra.tools.AbstractJmxClient.jmxConn:Lorg/apache/cassandra/tools/JMXConnection;
        11: .line 71
            return
        end local 4 // java.lang.String password
        end local 3 // java.lang.String username
        end local 2 // java.lang.Integer port
        end local 1 // java.lang.String host
        end local 0 // org.apache.cassandra.tools.AbstractJmxClient this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   12     0      this  Lorg/apache/cassandra/tools/AbstractJmxClient;
            0   12     1      host  Ljava/lang/String;
            0   12     2      port  Ljava/lang/Integer;
            0   12     3  username  Ljava/lang/String;
            0   12     4  password  Ljava/lang/String;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
          Name  Flags
      host      
      port      
      username  
      password  

  public void close();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.cassandra.tools.AbstractJmxClient this
         0: .line 75
            aload 0 /* this */
            getfield org.apache.cassandra.tools.AbstractJmxClient.jmxConn:Lorg/apache/cassandra/tools/JMXConnection;
            invokevirtual org.apache.cassandra.tools.JMXConnection.close:()V
         1: .line 76
            return
        end local 0 // org.apache.cassandra.tools.AbstractJmxClient this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/cassandra/tools/AbstractJmxClient;
    Exceptions:
      throws java.io.IOException

  public void writeln(java.lang.Throwable);
    descriptor: (Ljava/lang/Throwable;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.cassandra.tools.AbstractJmxClient this
        start local 1 // java.lang.Throwable err
         0: .line 80
            aload 0 /* this */
            aload 1 /* err */
            invokevirtual java.lang.Throwable.getMessage:()Ljava/lang/String;
            invokevirtual org.apache.cassandra.tools.AbstractJmxClient.writeln:(Ljava/lang/String;)V
         1: .line 81
            return
        end local 1 // java.lang.Throwable err
        end local 0 // org.apache.cassandra.tools.AbstractJmxClient this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/cassandra/tools/AbstractJmxClient;
            0    2     1   err  Ljava/lang/Throwable;
    MethodParameters:
      Name  Flags
      err   

  public void writeln(java.lang.String);
    descriptor: (Ljava/lang/String;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.cassandra.tools.AbstractJmxClient this
        start local 1 // java.lang.String msg
         0: .line 85
            aload 0 /* this */
            getfield org.apache.cassandra.tools.AbstractJmxClient.out:Ljava/io/PrintStream;
            aload 1 /* msg */
            invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
         1: .line 86
            return
        end local 1 // java.lang.String msg
        end local 0 // org.apache.cassandra.tools.AbstractJmxClient this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/cassandra/tools/AbstractJmxClient;
            0    2     1   msg  Ljava/lang/String;
    MethodParameters:
      Name  Flags
      msg   

  public void write(java.lang.String);
    descriptor: (Ljava/lang/String;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.cassandra.tools.AbstractJmxClient this
        start local 1 // java.lang.String msg
         0: .line 90
            aload 0 /* this */
            getfield org.apache.cassandra.tools.AbstractJmxClient.out:Ljava/io/PrintStream;
            aload 1 /* msg */
            invokevirtual java.io.PrintStream.print:(Ljava/lang/String;)V
         1: .line 91
            return
        end local 1 // java.lang.String msg
        end local 0 // org.apache.cassandra.tools.AbstractJmxClient this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/cassandra/tools/AbstractJmxClient;
            0    2     1   msg  Ljava/lang/String;
    MethodParameters:
      Name  Flags
      msg   

  public void writeln(java.lang.String, java.lang.Object[]);
    descriptor: (Ljava/lang/String;[Ljava/lang/Object;)V
    flags: (0x0081) ACC_PUBLIC, ACC_VARARGS
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // org.apache.cassandra.tools.AbstractJmxClient this
        start local 1 // java.lang.String format
        start local 2 // java.lang.Object[] args
         0: .line 95
            aload 0 /* this */
            new java.lang.StringBuilder
            dup
            aload 1 /* format */
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc "%n"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            aload 2 /* args */
            invokevirtual org.apache.cassandra.tools.AbstractJmxClient.write:(Ljava/lang/String;[Ljava/lang/Object;)V
         1: .line 96
            return
        end local 2 // java.lang.Object[] args
        end local 1 // java.lang.String format
        end local 0 // org.apache.cassandra.tools.AbstractJmxClient this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    2     0    this  Lorg/apache/cassandra/tools/AbstractJmxClient;
            0    2     1  format  Ljava/lang/String;
            0    2     2    args  [Ljava/lang/Object;
    MethodParameters:
        Name  Flags
      format  
      args    

  public void write(java.lang.String, java.lang.Object[]);
    descriptor: (Ljava/lang/String;[Ljava/lang/Object;)V
    flags: (0x0081) ACC_PUBLIC, ACC_VARARGS
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // org.apache.cassandra.tools.AbstractJmxClient this
        start local 1 // java.lang.String format
        start local 2 // java.lang.Object[] args
         0: .line 100
            aload 0 /* this */
            getfield org.apache.cassandra.tools.AbstractJmxClient.out:Ljava/io/PrintStream;
            aload 1 /* format */
            aload 2 /* args */
            invokevirtual java.io.PrintStream.printf:(Ljava/lang/String;[Ljava/lang/Object;)Ljava/io/PrintStream;
            pop
         1: .line 101
            return
        end local 2 // java.lang.Object[] args
        end local 1 // java.lang.String format
        end local 0 // org.apache.cassandra.tools.AbstractJmxClient this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    2     0    this  Lorg/apache/cassandra/tools/AbstractJmxClient;
            0    2     1  format  Ljava/lang/String;
            0    2     2    args  [Ljava/lang/Object;
    MethodParameters:
        Name  Flags
      format  
      args    

  public void setOutput(java.io.PrintStream);
    descriptor: (Ljava/io/PrintStream;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // org.apache.cassandra.tools.AbstractJmxClient this
        start local 1 // java.io.PrintStream out
         0: .line 105
            aload 0 /* this */
            aload 1 /* out */
            putfield org.apache.cassandra.tools.AbstractJmxClient.out:Ljava/io/PrintStream;
         1: .line 106
            return
        end local 1 // java.io.PrintStream out
        end local 0 // org.apache.cassandra.tools.AbstractJmxClient this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lorg/apache/cassandra/tools/AbstractJmxClient;
            0    2     1   out  Ljava/io/PrintStream;
    MethodParameters:
      Name  Flags
      out   

  public static org.apache.commons.cli.CommandLine processArguments(java.lang.String[]);
    descriptor: ([Ljava/lang/String;)Lorg/apache/commons/cli/CommandLine;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=3, locals=2, args_size=1
        start local 0 // java.lang.String[] args
         0: .line 110
            new org.apache.commons.cli.PosixParser
            dup
            invokespecial org.apache.commons.cli.PosixParser.<init>:()V
            astore 1 /* parser */
        start local 1 // org.apache.commons.cli.CommandLineParser parser
         1: .line 111
            aload 1 /* parser */
            getstatic org.apache.cassandra.tools.AbstractJmxClient.options:Lorg/apache/commons/cli/Options;
            aload 0 /* args */
            invokeinterface org.apache.commons.cli.CommandLineParser.parse:(Lorg/apache/commons/cli/Options;[Ljava/lang/String;)Lorg/apache/commons/cli/CommandLine;
            areturn
        end local 1 // org.apache.commons.cli.CommandLineParser parser
        end local 0 // java.lang.String[] args
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    2     0    args  [Ljava/lang/String;
            1    2     1  parser  Lorg/apache/commons/cli/CommandLineParser;
    Exceptions:
      throws org.apache.commons.cli.ParseException
    MethodParameters:
      Name  Flags
      args  

  public static void addCmdOption(java.lang.String, java.lang.String, boolean, java.lang.String);
    descriptor: (Ljava/lang/String;Ljava/lang/String;ZLjava/lang/String;)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=5, locals=4, args_size=4
        start local 0 // java.lang.String shortOpt
        start local 1 // java.lang.String longOpt
        start local 2 // boolean hasArg
        start local 3 // java.lang.String description
         0: .line 116
            getstatic org.apache.cassandra.tools.AbstractJmxClient.options:Lorg/apache/commons/cli/Options;
            aload 0 /* shortOpt */
            aload 1 /* longOpt */
            iload 2 /* hasArg */
            aload 3 /* description */
            invokevirtual org.apache.commons.cli.Options.addOption:(Ljava/lang/String;Ljava/lang/String;ZLjava/lang/String;)Lorg/apache/commons/cli/Options;
            pop
         1: .line 117
            return
        end local 3 // java.lang.String description
        end local 2 // boolean hasArg
        end local 1 // java.lang.String longOpt
        end local 0 // java.lang.String shortOpt
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    2     0     shortOpt  Ljava/lang/String;
            0    2     1      longOpt  Ljava/lang/String;
            0    2     2       hasArg  Z
            0    2     3  description  Ljava/lang/String;
    MethodParameters:
             Name  Flags
      shortOpt     
      longOpt      
      hasArg       
      description  

  public static void printHelp(java.lang.String, java.lang.String);
    descriptor: (Ljava/lang/String;Ljava/lang/String;)V
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=6, locals=7, args_size=2
        start local 0 // java.lang.String synopsis
        start local 1 // java.lang.String header
         0: .line 121
            getstatic java.lang.System.out:Ljava/io/PrintStream;
            ldc "Usage: %s%n%n"
            iconst_1
            anewarray java.lang.Object
            dup
            iconst_0
            aload 0 /* synopsis */
            aastore
            invokevirtual java.io.PrintStream.printf:(Ljava/lang/String;[Ljava/lang/Object;)Ljava/io/PrintStream;
            pop
         1: .line 122
            getstatic java.lang.System.out:Ljava/io/PrintStream;
            aload 1 /* header */
            invokevirtual java.io.PrintStream.print:(Ljava/lang/String;)V
         2: .line 123
            getstatic java.lang.System.out:Ljava/io/PrintStream;
            ldc "Options:"
            invokevirtual java.io.PrintStream.println:(Ljava/lang/String;)V
         3: .line 124
            getstatic org.apache.cassandra.tools.AbstractJmxClient.options:Lorg/apache/commons/cli/Options;
            invokevirtual org.apache.commons.cli.Options.getOptions:()Ljava/util/Collection;
            invokeinterface java.util.Collection.iterator:()Ljava/util/Iterator;
            astore 3
            goto 9
      StackMap locals: java.lang.String java.lang.String top java.util.Iterator
      StackMap stack:
         4: aload 3
            invokeinterface java.util.Iterator.next:()Ljava/lang/Object;
            astore 2 /* opt */
        start local 2 // java.lang.Object opt
         5: .line 126
            ldc "%s,"
            iconst_1
            anewarray java.lang.Object
            dup
            iconst_0
            aload 2 /* opt */
            checkcast org.apache.commons.cli.Option
            invokevirtual org.apache.commons.cli.Option.getOpt:()Ljava/lang/String;
            aastore
            invokestatic java.lang.String.format:(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;
            astore 4 /* shortOpt */
        start local 4 // java.lang.String shortOpt
         6: .line 127
            aload 2 /* opt */
            checkcast org.apache.commons.cli.Option
            invokevirtual org.apache.commons.cli.Option.getLongOpt:()Ljava/lang/String;
            astore 5 /* longOpt */
        start local 5 // java.lang.String longOpt
         7: .line 128
            aload 2 /* opt */
            checkcast org.apache.commons.cli.Option
            invokevirtual org.apache.commons.cli.Option.getDescription:()Ljava/lang/String;
            astore 6 /* description */
        start local 6 // java.lang.String description
         8: .line 129
            getstatic java.lang.System.out:Ljava/io/PrintStream;
            ldc " -%-4s --%-17s %s%n"
            iconst_3
            anewarray java.lang.Object
            dup
            iconst_0
            aload 4 /* shortOpt */
            aastore
            dup
            iconst_1
            aload 5 /* longOpt */
            aastore
            dup
            iconst_2
            aload 6 /* description */
            aastore
            invokevirtual java.io.PrintStream.printf:(Ljava/lang/String;[Ljava/lang/Object;)Ljava/io/PrintStream;
            pop
        end local 6 // java.lang.String description
        end local 5 // java.lang.String longOpt
        end local 4 // java.lang.String shortOpt
        end local 2 // java.lang.Object opt
         9: .line 124
      StackMap locals:
      StackMap stack:
            aload 3
            invokeinterface java.util.Iterator.hasNext:()Z
            ifne 4
        10: .line 131
            return
        end local 1 // java.lang.String header
        end local 0 // java.lang.String synopsis
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0   11     0     synopsis  Ljava/lang/String;
            0   11     1       header  Ljava/lang/String;
            5    9     2          opt  Ljava/lang/Object;
            6    9     4     shortOpt  Ljava/lang/String;
            7    9     5      longOpt  Ljava/lang/String;
            8    9     6  description  Ljava/lang/String;
    MethodParameters:
          Name  Flags
      synopsis  
      header    
}
SourceFile: "AbstractJmxClient.java"