Class: Neo4j::Server::CypherLabel

Inherits:

Label

• Object
• Label
• Neo4j::Server::CypherLabel

show all

Extended by:

Forwardable

Defined in:

lib/neo4j-server/cypher_label.rb

Constant Summary

Constants included from Core::CypherTranslator

Core::CypherTranslator::EMPTY_PROPS, Core::CypherTranslator::SANITIZE_ESCAPED_REGEXP

Instance Attribute Summary (collapse)

• - (Object) name readonly

  Returns the value of attribute name.

Instance Method Summary (collapse)

• - (Object) create_index(*properties)
• - (Object) drop_index(*properties)
• - (Object) indexes
• - (CypherLabel) initialize(session, name) constructor

  A new instance of CypherLabel.

• - (Object) uniqueness_constraints

Methods inherited from Label

create, #create_constraint, #drop_constraint, find_all_nodes, find_nodes

Methods included from Core::CypherTranslator

#create_escape_value, #cypher_prop_list, #cypher_string, #escape_quotes, #escape_value, #label_string, #prop_identifier, #sanitize_escape_sequences, sanitized_column_names, translate_response

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# File 'lib/neo4j-server/cypher_label.rb', line 8

def initialize(session, name)
  @name = name
  @session = session
end

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# File 'lib/neo4j-server/cypher_label.rb', line 6

def name
  @name
end

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# File 'lib/neo4j-server/cypher_label.rb', line 13

def create_index(*properties)
  response = @session._query("CREATE INDEX ON :`#{@name}`(#{properties.join(',')})")
  response.raise_error if response.error?
end

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# File 'lib/neo4j-server/cypher_label.rb', line 18

def drop_index(*properties)
  properties.each do |property|
    response = @session._query("DROP INDEX ON :`#{@name}`(#{property})")
    response.raise_error if response.error? && !response.error_msg.match(/No such INDEX ON/)
  end
end

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# File 'lib/neo4j-server/cypher_label.rb', line 25

def indexes
  @session.indexes(@name)
end

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# File 'lib/neo4j-server/cypher_label.rb', line 29

def uniqueness_constraints
  @session.uniqueness_constraints(@name)
end