Class: HbaseAdapter::ColumnFamily

Inherits:
Object
  • Object
show all
Defined in:
lib/hbase_adapter/column_family.rb

Constant Summary collapse

KEY_MAP = 
{
  :name => :name,
  :max_versions => :maxVersions
}

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(args = {}) ⇒ ColumnFamily

Returns a new instance of ColumnFamily.



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# File 'lib/hbase_adapter/column_family.rb', line 15

def initialize(args = {})
  @column_descriptor = case args
  when Apache::Hadoop::Hbase::Thrift::ColumnDescriptor
    args
  when Hash
    Apache::Hadoop::Hbase::Thrift::ColumnDescriptor.new(self.class.translate_hash(args))
  end
end

Instance Attribute Details

#column_descriptor ⇒ Object (readonly)

Returns the value of attribute column_descriptor.



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# File 'lib/hbase_adapter/column_family.rb', line 14

def column_descriptor
  @column_descriptor
end

Class Method Details

.translate_hash(hash) ⇒ Object 



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# File 'lib/hbase_adapter/column_family.rb', line 9

def translate_hash(hash)
  Hash[*(hash.map {|(k,v)| [KEY_MAP[k.to_sym], v]}.flatten)]
end

Instance Method Details

#max_versions ⇒ Object 



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# File 'lib/hbase_adapter/column_family.rb', line 28

def max_versions
  column_descriptor.maxVersions
end

#name ⇒ Object 



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# File 'lib/hbase_adapter/column_family.rb', line 24

def name
  column_descriptor.name
end