@Override
public void contributeRuntimeOperator(
IHyracksJobBuilder builder,
JobGenContext context,
ILogicalOperator op,
IOperatorSchema propagatedSchema,
IOperatorSchema[] inputSchemas,
IOperatorSchema outerPlanSchema)
throws AlgebricksException {
ScriptOperator scriptOp = (ScriptOperator) op;
IScriptDescription scriptDesc = scriptOp.getScriptDescription();
if (scriptDesc.getKind() != ScriptKind.STRING_STREAMING) {
throw new IllegalStateException();
}
StringStreamingScriptDescription sssd = (StringStreamingScriptDescription) scriptDesc;
StringStreamingRuntimeFactory runtime =
new StringStreamingRuntimeFactory(
sssd.getCommand(),
sssd.getPrinterFactories(),
sssd.getFieldDelimiter(),
sssd.getParserFactory());
RecordDescriptor recDesc =
JobGenHelper.mkRecordDescriptor(context.getTypeEnvironment(op), propagatedSchema, context);
builder.contributeMicroOperator(scriptOp, runtime, recDesc);
// and contribute one edge from its child
ILogicalOperator src = scriptOp.getInputs().get(0).getValue();
builder.contributeGraphEdge(src, 0, scriptOp, 0);
}
@Override
public Void visitScriptOperator(ScriptOperator op, Pair<LogicalVariable, LogicalVariable> pair)
throws AlgebricksException {
substInArray(op.getInputVariables(), pair.first, pair.second);
substInArray(op.getOutputVariables(), pair.first, pair.second);
substVarTypes(op, pair);
return null;
}
@Override
public Void visitScriptOperator(ScriptOperator op, Void arg) throws AlgebricksException {
schemaVariables.addAll(op.getOutputVariables());
return null;
}
@Override
public void computeDeliveredProperties(ILogicalOperator op, IOptimizationContext context) {
ScriptOperator s = (ScriptOperator) op;
computeDeliveredPropertiesForUsedVariables(s, s.getInputVariables());
}