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‎.gitignore‎

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.idea
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*.iml
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build
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dist
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out
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node_modules

‎.reviewboardrc‎

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REPOSITORY="parseq"

‎CHANGELOG‎

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v1.0.0
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======
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* Minor performance improvements.
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v0.4.5
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======
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* Add visualization support to hide all parent tasks.
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* PromiseListener.onResolved(..) now has the Promise that was completed as a
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parameter.
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v0.4.4
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======
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* Trace output now contains relationship of potential parents. A potential
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parent relationship is defined as a parent task running a child task that has
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already been completed.
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* Dag visualization now includes:
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* Dash edge between a potential parent to an potential child task.
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* Dash edge between a predecessor to a successor task that has been
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completed.
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* Solid edge between a potential parent to an potential child sink task.
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v0.4.3
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======
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* No changes
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v0.4.2
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======
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* Dist target now includes a tarball for tracevis.
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* Added support for system hidden task with support for visualization. User
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defined hidden task should use ShallowTrace.setHidden(...).
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v0.4.1
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======
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* Misc code hygiene improvements
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v0.4.0
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======
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* BACKWARD INCOMPATIBLE:
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* Removed Tasks.async. Use BaseTask instead.
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* Renamed Tasks.sync to Tasks.callable.
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* Removed Tasks.value which was only used for test purposes.
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* Removed getStartNanos() and getEndNanos() from Task. Instead use
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Task.getShallowTrace() which returns a ShallowTrace that contains the
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getStartNanos() and getEndNanos().
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* Engine creation has changed:
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* Replace:
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new Engine(taskExecutor, timerExecutor)
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* With:
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new EngineBuilder()
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.setTaskExecutor(taskExecutor)
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.setTimerExecutor(timerExecutor)
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.build();
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* Engine.awaitTermination(...) provides a mechanism to wait for the engine
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to shutdown.
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* Visualization improvements / fixes:
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* Table: use a textarea for values
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* Waterfall: use nanosecond precision for laying out bars
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* Don't include value.toString() in task name for value task.
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* Logging
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* We now provide three loggers to collect task information at runtime:
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* com.linkedin.parseq.Engine:all - logs all tasks
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* com.linkedin.parseq.Engine:root - logs root tasks only
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* com.linkedin.parseq.Engine:planClass=xyz - When xyz is a root
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class it and all of its descendants are logged.
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* We provide two log levels with these loggers:
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* DEBUG - logs task name and result type
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* TRACE - logs task name, result type, and value
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* Added Tasks.seq to support Iterable<Tasks<?>> as a parameter.
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* Added support for hidden trace to indicate if it should be displayed in
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the visualization.
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* Added attributes to trace such that additional information can be added.
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* Added TraceBuilder to support customize Trace information.
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v0.3.0
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======
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* Added support for priorities to Tasks. Task priorities only influence
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ordering in a particular context.
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* Remove the existing waterfall trace visualization and replace it with a
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more scalable and interactive javascript visualization.
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* Rename BaseTask.run(...) to BaseTask.contextRun(...) and
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BaseTask.doRun(...) to BaseTask.run(...) to better match the method
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purpose.
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* Replace existing trace printers with javascript based equivalents.
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* Dag trace now includes the start time of the task.
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* Added par(Iterable<Task<T>> tasks) to the Tasks class. The new par(...) will
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return the result of each of the supplied tasks. The ParTask will fail
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if any of the executed task fails. Additional methods are available for
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ParTask:
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* getTasks() for the set of tasks related to ParTask.
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* getSuccessful() to get the values of successfully executed tasks.
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* Updated par(...) to return ParTask.
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v0.2.1
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======
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* Misc code hygiene improvements
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v0.2.0
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======
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* Trace improvements
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* Rename TaskTrace to Trace
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* Move JsonTraceCodec to com.linkedin.parseq.trace.codec.json
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* Move trace printers to com.linkedin.parseq.trace.printer
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* More compact JSON serialization for traces:
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* Don't include null or empty fields
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* Render each trace once
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* Set up edges independently of the traces
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* Tasks now use null to indicate no value for startNanos and endNanos
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* Traces are now fully immutable and thread-safe. Use TraceBuilders to
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create new traces or to copy and edit existing ones.
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* Task construction improvments
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* Remove TaskDefs (use Tasks.action, Tasks.sync, Tasks.async, and new
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BaseTask()) in their place
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* Added ValueTask - returns a pre-determined value upon execution
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* Remove Named. The Tasks factory methods take a name and Task has a
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constructor that takes a name. If the empty Task constructor is used
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then getName() will return the value of toString() unless it has been
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overridden.
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v0.1.0
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======
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* Promises and Tasks now take Throwables instead of Exceptions. This
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provides better interoperability with frameworks like Pegasus and Play.
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* Trace creation has changed:
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* Old: TaskTraces.convertToTaskTrace(trace)
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* New: task.getTrace()
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* Remove/rename "assembler"
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* Move com.linkedin.parseq.assembler.trace to com.linkedin.parseq.trace
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* Move all classes in com.linkedin.parseq.assember to com.linkedin.parseq
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* Rename Assembler to Engine
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* Replace references to "assembler" with "engine"

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