42.3 Examples

Distributed Logger includes several examples in <path to examples1See Paths Mentioned in Documentation.>/distributed_logger: 

• c/hello_distributed_logger

This is a simple example of how to use the API directly and does not publish or subscribe to any Topics except the ones related to Distributed Logger.

• c++/hello_distributed_logger

This is a simple example of how to use the API directly and does not publish or subscribe any Topics except the ones related to Distributed Logger.

• java/hello_direct_usage

This is a simple example of how to use the API directly and does not publish or subscribe any Topics except the ones related to Distributed Logger.

• java/hello_file_logger

This example shows how an application can use the information provided by Distributed Logger. As the name suggests, this example subscribes to log messages and writes them to a file. Multiple DDS domains can be subscribed to simultaneously if desired. The example is meant to strike a balance between simplicity and function. Certainly more features could be added to make it a production-ready application but that would obscure the goal of the example.

• java/hello_java_util_logging

This is an adaptation of the Hello_idl example which replaces all System.{out/err} invocations with Java logging library equivalents. It adds Distributed Logger through a configuration file.

• java/hello_log4j_logging

This is an adaptation of the Hello_idl example which replaces all System.{out/err} invocations with log4j library equivalents. It adds Distributed Logger through a configuration file.

Each example has a READ_ME.txt file which explains how to build and run it.

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