Hi,
I'm trying to play with scripting (in java) and that's not obvious to me
1/ The smallest example don't compile due to doc().field not found
public class Ex2ScriptFactory implements NativeScriptFactory {
@Override
public ExecutableScript newScript (@Nullable Map<String,Object> params) {
return new Ex2Script(params);
}
}
public class Ex2Script extends AbstractSearchScript {
public Ex2Script(@Nullable Map<String,Object> params) {
String afield = (String)params.get("field");
DocLookup docLookup=doc();
doc().field(afield);
}
@Override
public Object run(){
return(null);
}
}
javac -cp ./elasticsearch-1.0.1/lib/elasticsearch-1.0.1.jar
scripting/ex2/*.java
scripting/ex2/Ex2Script.java:28: cannot find symbol
symbol : method field(java.lang.String)
location: class org.elasticsearch.search.lookup.DocLookup
doc().field(afield);
It the same with e.g. doc().numeric(...)
Do I miss something ?
2/ More 'high level' question
giving a set of documents (events), I'd like to iterate over them to
compute values and provide new fields
Is this acceptable in elasticsearch, is scripting available for that ?
(for example to compute the duration between two events)
Best regards
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