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.config.YamlConfigurationLoader implements org.apache.cassandra.config.ConfigurationLoader
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.apache.cassandra.config.YamlConfigurationLoader
  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 static final java.lang.String DEFAULT_CONFIGURATION;
    descriptor: Ljava/lang/String;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL
    ConstantValue: "cassandra.yaml"

  private static java.net.URL storageConfigURL;
    descriptor: Ljava/net/URL;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 53
            ldc Lorg/apache/cassandra/config/YamlConfigurationLoader;
            invokestatic org.slf4j.LoggerFactory.getLogger:(Ljava/lang/Class;)Lorg/slf4j/Logger;
            putstatic org.apache.cassandra.config.YamlConfigurationLoader.logger:Lorg/slf4j/Logger;
         1: .line 94
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.cassandra.config.YamlConfigurationLoader this
         0: .line 51
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // org.apache.cassandra.config.YamlConfigurationLoader this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/cassandra/config/YamlConfigurationLoader;

  private static java.net.URL getStorageConfigURL();
    descriptor: ()Ljava/net/URL;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=7, locals=4, args_size=0
         0: .line 62
            ldc "cassandra.config"
            invokestatic java.lang.System.getProperty:(Ljava/lang/String;)Ljava/lang/String;
            astore 0 /* configUrl */
        start local 0 // java.lang.String configUrl
         1: .line 63
            aload 0 /* configUrl */
            ifnonnull 3
         2: .line 64
            ldc "cassandra.yaml"
            astore 0 /* configUrl */
         3: .line 69
      StackMap locals: java.lang.String
      StackMap stack:
            new java.net.URL
            dup
            aload 0 /* configUrl */
            invokespecial java.net.URL.<init>:(Ljava/lang/String;)V
            astore 1 /* url */
        start local 1 // java.net.URL url
         4: .line 70
            aload 1 /* url */
            invokevirtual java.net.URL.openStream:()Ljava/io/InputStream;
            invokevirtual java.io.InputStream.close:()V
         5: .line 71
            goto 17
        end local 1 // java.net.URL url
         6: .line 72
      StackMap locals:
      StackMap stack: java.lang.Exception
            pop
         7: .line 74
            ldc Lorg/apache/cassandra/config/DatabaseDescriptor;
            invokevirtual java.lang.Class.getClassLoader:()Ljava/lang/ClassLoader;
            astore 2 /* loader */
        start local 2 // java.lang.ClassLoader loader
         8: .line 75
            aload 2 /* loader */
            aload 0 /* configUrl */
            invokevirtual java.lang.ClassLoader.getResource:(Ljava/lang/String;)Ljava/net/URL;
            astore 1 /* url */
        start local 1 // java.net.URL url
         9: .line 76
            aload 1 /* url */
            ifnonnull 17
        10: .line 78
            new java.lang.StringBuilder
            dup
            ldc "file:"
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            getstatic java.io.File.separator:Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            getstatic java.io.File.separator:Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            astore 3 /* required */
        start local 3 // java.lang.String required
        11: .line 79
            aload 0 /* configUrl */
            aload 3 /* required */
            invokevirtual java.lang.String.startsWith:(Ljava/lang/String;)Z
            ifne 16
        12: .line 80
            new org.apache.cassandra.exceptions.ConfigurationException
            dup
        13: .line 81
            ldc "Expecting URI in variable: [cassandra.config]. Found[%s]. Please prefix the file with [%s%s] for local files and [%s<server>%s] for remote files. If you are executing this from an external tool, it needs to set Config.setClientMode(true) to avoid loading configuration."
            iconst_5
            anewarray java.lang.Object
            dup
            iconst_0
        14: .line 84
            aload 0 /* configUrl */
            aastore
            dup
            iconst_1
            aload 3 /* required */
            aastore
            dup
            iconst_2
            getstatic java.io.File.separator:Ljava/lang/String;
            aastore
            dup
            iconst_3
            aload 3 /* required */
            aastore
            dup
            iconst_4
            getstatic java.io.File.separator:Ljava/lang/String;
            aastore
        15: .line 80
            invokestatic java.lang.String.format:(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;
            invokespecial org.apache.cassandra.exceptions.ConfigurationException.<init>:(Ljava/lang/String;)V
            athrow
        16: .line 85
      StackMap locals: java.net.URL java.lang.ClassLoader java.lang.String
      StackMap stack:
            new org.apache.cassandra.exceptions.ConfigurationException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Cannot locate "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 0 /* configUrl */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc ".  If this is a local file, please confirm you've provided "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 3 /* required */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            getstatic java.io.File.separator:Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            ldc " as a URI prefix."
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial org.apache.cassandra.exceptions.ConfigurationException.<init>:(Ljava/lang/String;)V
            athrow
        end local 3 // java.lang.String required
        end local 2 // java.lang.ClassLoader loader
        17: .line 89
      StackMap locals:
      StackMap stack:
            getstatic org.apache.cassandra.config.YamlConfigurationLoader.logger:Lorg/slf4j/Logger;
            ldc "Configuration location: {}"
            aload 1 /* url */
            invokeinterface org.slf4j.Logger.info:(Ljava/lang/String;Ljava/lang/Object;)V
        18: .line 91
            aload 1 /* url */
            areturn
        end local 1 // java.net.URL url
        end local 0 // java.lang.String configUrl
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            1   19     0  configUrl  Ljava/lang/String;
            4    6     1        url  Ljava/net/URL;
            9   19     1        url  Ljava/net/URL;
            8   17     2     loader  Ljava/lang/ClassLoader;
           11   17     3   required  Ljava/lang/String;
      Exception table:
        from    to  target  type
           3     5       6  Class java.lang.Exception
    Exceptions:
      throws org.apache.cassandra.exceptions.ConfigurationException

  public org.apache.cassandra.config.Config loadConfig();
    descriptor: ()Lorg/apache/cassandra/config/Config;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.apache.cassandra.config.YamlConfigurationLoader this
         0: .line 99
            getstatic org.apache.cassandra.config.YamlConfigurationLoader.storageConfigURL:Ljava/net/URL;
            ifnonnull 2
         1: .line 100
            invokestatic org.apache.cassandra.config.YamlConfigurationLoader.getStorageConfigURL:()Ljava/net/URL;
            putstatic org.apache.cassandra.config.YamlConfigurationLoader.storageConfigURL:Ljava/net/URL;
         2: .line 101
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getstatic org.apache.cassandra.config.YamlConfigurationLoader.storageConfigURL:Ljava/net/URL;
            invokevirtual org.apache.cassandra.config.YamlConfigurationLoader.loadConfig:(Ljava/net/URL;)Lorg/apache/cassandra/config/Config;
            areturn
        end local 0 // org.apache.cassandra.config.YamlConfigurationLoader this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lorg/apache/cassandra/config/YamlConfigurationLoader;
    Exceptions:
      throws org.apache.cassandra.exceptions.ConfigurationException

  public org.apache.cassandra.config.Config loadConfig(java.net.URL);
    descriptor: (Ljava/net/URL;)Lorg/apache/cassandra/config/Config;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=7, args_size=2
        start local 0 // org.apache.cassandra.config.YamlConfigurationLoader this
        start local 1 // java.net.URL url
         0: .line 108
            getstatic org.apache.cassandra.config.YamlConfigurationLoader.logger:Lorg/slf4j/Logger;
            ldc "Loading settings from {}"
            aload 1 /* url */
            invokeinterface org.slf4j.Logger.debug:(Ljava/lang/String;Ljava/lang/Object;)V
         1: .line 110
            aconst_null
            astore 3
            aconst_null
            astore 4
         2: aload 1 /* url */
            invokevirtual java.net.URL.openStream:()Ljava/io/InputStream;
            astore 5 /* is */
        start local 5 // java.io.InputStream is
         3: .line 112
            aload 5 /* is */
            invokestatic com.google.common.io.ByteStreams.toByteArray:(Ljava/io/InputStream;)[B
            astore 2 /* configBytes */
        start local 2 // byte[] configBytes
         4: .line 113
            aload 5 /* is */
            ifnull 12
            aload 5 /* is */
            invokevirtual java.io.InputStream.close:()V
            goto 12
        end local 2 // byte[] configBytes
      StackMap locals: org.apache.cassandra.config.YamlConfigurationLoader java.net.URL top java.lang.Throwable java.lang.Throwable java.io.InputStream
      StackMap stack: java.lang.Throwable
         5: astore 3
            aload 5 /* is */
            ifnull 6
            aload 5 /* is */
            invokevirtual java.io.InputStream.close:()V
        end local 5 // java.io.InputStream is
      StackMap locals:
      StackMap stack:
         6: aload 3
            athrow
      StackMap locals:
      StackMap stack: java.lang.Throwable
         7: astore 4
            aload 3
            ifnonnull 8
            aload 4
            astore 3
            goto 9
      StackMap locals:
      StackMap stack:
         8: aload 3
            aload 4
            if_acmpeq 9
            aload 3
            aload 4
            invokevirtual java.lang.Throwable.addSuppressed:(Ljava/lang/Throwable;)V
      StackMap locals:
      StackMap stack:
         9: aload 3
            athrow
        10: .line 114
      StackMap locals: org.apache.cassandra.config.YamlConfigurationLoader java.net.URL
      StackMap stack: java.io.IOException
            astore 3 /* e */
        start local 3 // java.io.IOException e
        11: .line 117
            new java.lang.AssertionError
            dup
            aload 3 /* e */
            invokespecial java.lang.AssertionError.<init>:(Ljava/lang/Object;)V
            athrow
        end local 3 // java.io.IOException e
        start local 2 // byte[] configBytes
        12: .line 120
      StackMap locals: byte[]
      StackMap stack:
            new org.apache.cassandra.config.YamlConfigurationLoader$CustomConstructor
            dup
            ldc Lorg/apache/cassandra/config/Config;
            invokespecial org.apache.cassandra.config.YamlConfigurationLoader$CustomConstructor.<init>:(Ljava/lang/Class;)V
            astore 3 /* constructor */
        start local 3 // org.yaml.snakeyaml.constructor.Constructor constructor
        13: .line 121
            new org.apache.cassandra.config.YamlConfigurationLoader$PropertiesChecker
            dup
            invokespecial org.apache.cassandra.config.YamlConfigurationLoader$PropertiesChecker.<init>:()V
            astore 4 /* propertiesChecker */
        start local 4 // org.apache.cassandra.config.YamlConfigurationLoader$PropertiesChecker propertiesChecker
        14: .line 122
            aload 3 /* constructor */
            aload 4 /* propertiesChecker */
            invokevirtual org.yaml.snakeyaml.constructor.Constructor.setPropertyUtils:(Lorg/yaml/snakeyaml/introspector/PropertyUtils;)V
        15: .line 123
            new org.yaml.snakeyaml.Yaml
            dup
            aload 3 /* constructor */
            invokespecial org.yaml.snakeyaml.Yaml.<init>:(Lorg/yaml/snakeyaml/constructor/BaseConstructor;)V
            astore 5 /* yaml */
        start local 5 // org.yaml.snakeyaml.Yaml yaml
        16: .line 124
            aload 0 /* this */
            aload 5 /* yaml */
            aload 2 /* configBytes */
            invokevirtual org.apache.cassandra.config.YamlConfigurationLoader.loadConfig:(Lorg/yaml/snakeyaml/Yaml;[B)Lorg/apache/cassandra/config/Config;
            astore 6 /* result */
        start local 6 // org.apache.cassandra.config.Config result
        17: .line 125
            aload 4 /* propertiesChecker */
            invokevirtual org.apache.cassandra.config.YamlConfigurationLoader$PropertiesChecker.check:()V
        18: .line 126
            aload 6 /* result */
        19: areturn
        end local 6 // org.apache.cassandra.config.Config result
        end local 5 // org.yaml.snakeyaml.Yaml yaml
        end local 4 // org.apache.cassandra.config.YamlConfigurationLoader$PropertiesChecker propertiesChecker
        end local 3 // org.yaml.snakeyaml.constructor.Constructor constructor
        end local 2 // byte[] configBytes
        20: .line 128
      StackMap locals: org.apache.cassandra.config.YamlConfigurationLoader java.net.URL
      StackMap stack: org.yaml.snakeyaml.error.YAMLException
            astore 2 /* e */
        start local 2 // org.yaml.snakeyaml.error.YAMLException e
        21: .line 130
            new org.apache.cassandra.exceptions.ConfigurationException
            dup
            new java.lang.StringBuilder
            dup
            ldc "Invalid yaml: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 1 /* url */
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            getstatic org.apache.commons.lang3.SystemUtils.LINE_SEPARATOR:Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
        22: .line 131
            ldc " Error: "
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            aload 2 /* e */
            invokevirtual org.yaml.snakeyaml.error.YAMLException.getMessage:()Ljava/lang/String;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            iconst_0
        23: .line 130
            invokespecial org.apache.cassandra.exceptions.ConfigurationException.<init>:(Ljava/lang/String;Z)V
            athrow
        end local 2 // org.yaml.snakeyaml.error.YAMLException e
        end local 1 // java.net.URL url
        end local 0 // org.apache.cassandra.config.YamlConfigurationLoader this
      LocalVariableTable:
        Start  End  Slot               Name  Signature
            0   24     0               this  Lorg/apache/cassandra/config/YamlConfigurationLoader;
            0   24     1                url  Ljava/net/URL;
            4    5     2        configBytes  [B
           12   20     2        configBytes  [B
            3    6     5                 is  Ljava/io/InputStream;
           11   12     3                  e  Ljava/io/IOException;
           13   20     3        constructor  Lorg/yaml/snakeyaml/constructor/Constructor;
           14   20     4  propertiesChecker  Lorg/apache/cassandra/config/YamlConfigurationLoader$PropertiesChecker;
           16   20     5               yaml  Lorg/yaml/snakeyaml/Yaml;
           17   20     6             result  Lorg/apache/cassandra/config/Config;
           21   24     2                  e  Lorg/yaml/snakeyaml/error/YAMLException;
      Exception table:
        from    to  target  type
           3     4       5  any
           2     7       7  any
           1    10      10  Class java.io.IOException
           0    19      20  Class org.yaml.snakeyaml.error.YAMLException
    Exceptions:
      throws org.apache.cassandra.exceptions.ConfigurationException
    MethodParameters:
      Name  Flags
      url   

  private org.apache.cassandra.config.Config loadConfig(org.yaml.snakeyaml.Yaml, byte[]);
    descriptor: (Lorg/yaml/snakeyaml/Yaml;[B)Lorg/apache/cassandra/config/Config;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=4, locals=4, args_size=3
        start local 0 // org.apache.cassandra.config.YamlConfigurationLoader this
        start local 1 // org.yaml.snakeyaml.Yaml yaml
        start local 2 // byte[] configBytes
         0: .line 173
            aload 1 /* yaml */
            new java.io.ByteArrayInputStream
            dup
            aload 2 /* configBytes */
            invokespecial java.io.ByteArrayInputStream.<init>:([B)V
            ldc Lorg/apache/cassandra/config/Config;
            invokevirtual org.yaml.snakeyaml.Yaml.loadAs:(Ljava/io/InputStream;Ljava/lang/Class;)Ljava/lang/Object;
            checkcast org.apache.cassandra.config.Config
            astore 3 /* config */
        start local 3 // org.apache.cassandra.config.Config config
         1: .line 176
            aload 3 /* config */
            ifnonnull 2
            new org.apache.cassandra.config.Config
            dup
            invokespecial org.apache.cassandra.config.Config.<init>:()V
            goto 3
      StackMap locals: org.apache.cassandra.config.Config
      StackMap stack:
         2: aload 3 /* config */
      StackMap locals:
      StackMap stack: org.apache.cassandra.config.Config
         3: areturn
        end local 3 // org.apache.cassandra.config.Config config
        end local 2 // byte[] configBytes
        end local 1 // org.yaml.snakeyaml.Yaml yaml
        end local 0 // org.apache.cassandra.config.YamlConfigurationLoader this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    4     0         this  Lorg/apache/cassandra/config/YamlConfigurationLoader;
            0    4     1         yaml  Lorg/yaml/snakeyaml/Yaml;
            0    4     2  configBytes  [B
            1    4     3       config  Lorg/apache/cassandra/config/Config;
    MethodParameters:
             Name  Flags
      yaml         
      configBytes  
}
SourceFile: "YamlConfigurationLoader.java"
NestMembers:
  org.apache.cassandra.config.YamlConfigurationLoader$CustomConstructor  org.apache.cassandra.config.YamlConfigurationLoader$PropertiesChecker  org.apache.cassandra.config.YamlConfigurationLoader$PropertiesChecker$1
InnerClasses:
  CustomConstructor = org.apache.cassandra.config.YamlConfigurationLoader$CustomConstructor of org.apache.cassandra.config.YamlConfigurationLoader
  private PropertiesChecker = org.apache.cassandra.config.YamlConfigurationLoader$PropertiesChecker of org.apache.cassandra.config.YamlConfigurationLoader