Class: VertxSqlClient::Pool

Inherits:
SqlClient show all
Defined in:
/Users/julien/java/vertx-aggregator/modules/vertx-lang-ruby/vertx-lang-ruby/target/classes/vertx-sql-client/pool.rb

Overview

A pool of SQL connections.

Direct Known Subclasses

VertxMysqlClient::MySQLPool, VertxPgClient::PgPool

Constant Summary

@@j_api_type =
Object.new

Class Method Summary (collapse)

Instance Method Summary (collapse)

Class Method Details

+ (Boolean) accept?(obj)

Returns:

  • (Boolean)


25
26
27
# File '/Users/julien/java/vertx-aggregator/modules/vertx-lang-ruby/vertx-lang-ruby/target/classes/vertx-sql-client/pool.rb', line 25

def @@j_api_type.accept?(obj)
  obj.class == Pool
end

+ (Object) j_api_type



34
35
36
# File '/Users/julien/java/vertx-aggregator/modules/vertx-lang-ruby/vertx-lang-ruby/target/classes/vertx-sql-client/pool.rb', line 34

def self.j_api_type
  @@j_api_type
end

+ (Object) j_class



37
38
39
# File '/Users/julien/java/vertx-aggregator/modules/vertx-lang-ruby/vertx-lang-ruby/target/classes/vertx-sql-client/pool.rb', line 37

def self.j_class
  Java::IoVertxSqlclient::Pool.java_class
end

+ (Object) unwrap(obj)



31
32
33
# File '/Users/julien/java/vertx-aggregator/modules/vertx-lang-ruby/vertx-lang-ruby/target/classes/vertx-sql-client/pool.rb', line 31

def @@j_api_type.unwrap(obj)
  obj.j_del
end

+ (Object) wrap(obj)



28
29
30
# File '/Users/julien/java/vertx-aggregator/modules/vertx-lang-ruby/vertx-lang-ruby/target/classes/vertx-sql-client/pool.rb', line 28

def @@j_api_type.wrap(obj)
  Pool.new(obj)
end

Instance Method Details

- (void) begin { ... }

This method returns an undefined value.

Borrow a connection from the pool and begin a transaction, the underlying connection will be returned to the pool when the transaction ends.

Yields:

Raises:

  • (ArgumentError)


77
78
79
80
81
82
# File '/Users/julien/java/vertx-aggregator/modules/vertx-lang-ruby/vertx-lang-ruby/target/classes/vertx-sql-client/pool.rb', line 77

def begin
  if block_given?
    return @j_del.java_method(:begin, [Java::IoVertxCore::Handler.java_class]).call((Proc.new { |ar| yield(ar.failed ? ar.cause : nil, ar.succeeded ? ::Vertx::Util::Utils.safe_create(ar.result,::VertxSqlClient::Transaction) : nil) }))
  end
  raise ArgumentError, "Invalid arguments when calling begin()"
end

- (void) close

This method returns an undefined value.

Close the pool and release the associated resources.

Raises:

  • (ArgumentError)


85
86
87
88
89
90
# File '/Users/julien/java/vertx-aggregator/modules/vertx-lang-ruby/vertx-lang-ruby/target/classes/vertx-sql-client/pool.rb', line 85

def close
  if !block_given?
    return @j_del.java_method(:close, []).call()
  end
  raise ArgumentError, "Invalid arguments when calling close()"
end

- (void) get_connection { ... }

This method returns an undefined value.

Get a connection from the pool.

Yields:

  • the handler that will get the connection result

Raises:

  • (ArgumentError)


43
44
45
46
47
48
# File '/Users/julien/java/vertx-aggregator/modules/vertx-lang-ruby/vertx-lang-ruby/target/classes/vertx-sql-client/pool.rb', line 43

def get_connection
  if block_given?
    return @j_del.java_method(:getConnection, [Java::IoVertxCore::Handler.java_class]).call((Proc.new { |ar| yield(ar.failed ? ar.cause : nil, ar.succeeded ? ::Vertx::Util::Utils.safe_create(ar.result,::VertxSqlClient::SqlConnection) : nil) }))
  end
  raise ArgumentError, "Invalid arguments when calling get_connection()"
end

- (::VertxSqlClient::PreparedQuery) prepared_query(sql = nil)

A connection is borrowed from the connection pool when the query is executed and then immediately returned to the pool after it completes.

Parameters:

  • sql (String) (defaults to: nil)

Returns:

Raises:

  • (ArgumentError)


67
68
69
70
71
72
# File '/Users/julien/java/vertx-aggregator/modules/vertx-lang-ruby/vertx-lang-ruby/target/classes/vertx-sql-client/pool.rb', line 67

def prepared_query(sql=nil)
  if sql.class == String && !block_given?
    return ::Vertx::Util::Utils.safe_create(@j_del.java_method(:preparedQuery, [Java::java.lang.String.java_class]).call(sql),::VertxSqlClient::PreparedQuery,::VertxSqlClient::RowSet.j_api_type)
  end
  raise ArgumentError, "Invalid arguments when calling prepared_query(#{sql})"
end

- (::VertxSqlClient::Query) query(sql = nil)

A connection is borrowed from the connection pool when the query is executed and then immediately returned to the pool after it completes.

Parameters:

  • sql (String) (defaults to: nil)

Returns:

Raises:

  • (ArgumentError)


55
56
57
58
59
60
# File '/Users/julien/java/vertx-aggregator/modules/vertx-lang-ruby/vertx-lang-ruby/target/classes/vertx-sql-client/pool.rb', line 55

def query(sql=nil)
  if sql.class == String && !block_given?
    return ::Vertx::Util::Utils.safe_create(@j_del.java_method(:query, [Java::java.lang.String.java_class]).call(sql),::VertxSqlClient::Query,::VertxSqlClient::RowSet.j_api_type)
  end
  raise ArgumentError, "Invalid arguments when calling query(#{sql})"
end