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| Current File : //proc/thread-self/root/proc/self/root/opt/alt/ruby18/share/ri/1.8/system/PStore/transaction-i.yaml |
--- !ruby/object:RI::MethodDescription
aliases: []
block_params: pstore
comment:
- !ruby/struct:SM::Flow::P
body: Opens a new transaction for the data store. Code executed inside a block passed to this method may read and write data to and from the data store file.
- !ruby/struct:SM::Flow::P
body: At the end of the block, changes are committed to the data store automatically. You may exit the transaction early with a call to either PStore#commit or PStore#abort. See those methods for details about how changes are handled. Raising an uncaught Exception in the block is equivalent to calling PStore#abort.
- !ruby/struct:SM::Flow::P
body: If <em>read_only</em> is set to <tt>true</tt>, you will only be allowed to read from the data store during the transaction and any attempts to change the data will raise a PStore::Error.
- !ruby/struct:SM::Flow::P
body: Note that PStore does not support nested transactions.
full_name: PStore#transaction
is_singleton: false
name: transaction
params: (read_only=false) {|pstore| ...}
visibility: public