This is an example of using the SystemCmd runnable to create dataflow events using parameters read from a JSON file.
There is a sample file located in ${EHIVE_ROOT_DIR}/modules/Bio/EnsEMBL/Hive/Examples/SystemCmd/PipeConfig/sample_files/
This file is called Inject_JSON_Dataflow_example.json
Each line of this file contains an optional branch number, followed by a complete JSON serialisation of the parameters (output_id)
appearing on the same line. For example, a line to direct dataflow on branch 2 might look like:
2 {"parameter_name" : "parameter_value"}
If no branch number is provided, then dataflow of those parameters will occour on the branch number
passed to SystemCmd in the 'dataflow_branch' parameter, if given. Otherwise, it will default to
branch 1 (autoflow).
Note that a command must be provided to SystemCmd using the 'cmd' parameter, even if JSON parameter injection
is the only desired behaviour.
=head1 LICENSE
Copyright [1999-2015] Wellcome Trust Sanger Institute and the EMBL-European Bioinformatics Institute
Copyright [2016-2021] EMBL-European Bioinformatics Institute
Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software distributed under the License
is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and limitations under the License.
=head1 CONTACT
Please subscribe to the Hive mailing list: http://listserver.ebi.ac.uk/mailman/listinfo/ehive-users to discuss Hive-related questions or to be notified of our updates