NPM/numass-framework
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Advanced filters for numass

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This commit is contained in:
Alexander Nozik 2016-12-19 10:09:26 +03:00
parent 99449c82c9
commit 4433392920
1 changed files with 33 additions and 1 deletions
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34
numass-main/src/main/java/inr/numass/workspace/NumassTableFilterTask.java
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@ -10,10 +10,13 @@ import hep.dataforge.meta.MetaBuilder;
import hep.dataforge.tables.DataPoint;
import hep.dataforge.tables.Table;
import hep.dataforge.tables.TableTransform;
import hep.dataforge.values.Value;
import hep.dataforge.workspace.SingleActionTask;
import hep.dataforge.workspace.TaskModel;
import inr.numass.utils.ExpressionUtils;
import java.util.HashMap;
import java.util.Map;
import java.util.function.Predicate;
/**
@ -57,11 +60,40 @@ public class NumassTableFilterTask extends SingleActionTask<Table, Table> {
getLogger(inputMeta).debug("Filtering finished");
return TableTransform.filter(input, "Uset", uLo, uHi);
} else if (inputMeta.hasValue("filter.condition")) {
Predicate<DataPoint> predicate = (dp) -> ExpressionUtils.condition(inputMeta.getString("filter.condition"), dp.asMap());
Predicate<DataPoint> predicate = (dp) -> ExpressionUtils.condition(inputMeta.getString("filter.condition"), unbox(dp));
return TableTransform.filter(input, predicate);
} else {
throw new RuntimeException("No filtering condition specified");
}
}
}
private Map<String, Object> unbox(DataPoint dp) {
Map<String, Object> res = new HashMap<>();
for (String field : dp.names()) {
Value val = dp.getValue(field);
Object obj;
switch (val.valueType()) {
case BOOLEAN:
obj = val.booleanValue();
break;
case NUMBER:
obj = val.doubleValue();
break;
case STRING:
obj = val.stringValue();
break;
case TIME:
obj = val.timeValue();
break;
case NULL:
obj = null;
break;
default:
throw new Error("unreachable statement");
}
res.put(field, obj);
}
return res;
}
}