Java Code Examples for org.apache.lucene.queries.function.FunctionValues#boolVal()

The following examples show how to use org.apache.lucene.queries.function.FunctionValues#boolVal() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: ValueSourceParser.java    From lucene-solr with Apache License 2.0 6 votes vote down vote up 
@Override
public ValueSource parse(FunctionQParser fp) throws SyntaxError {
  List<ValueSource> sources = fp.parseValueSourceList();
  return new MultiBoolFunction(sources) {
    @Override
    protected String name() {
      return "and";
    }
    @Override
    protected boolean func(int doc, FunctionValues[] vals) throws IOException {
      for (FunctionValues dv : vals)
        if (!dv.boolVal(doc)) return false;
      return true;
    }
  };
}
Example 2
Source File: ValueSourceParser.java    From lucene-solr with Apache License 2.0 6 votes vote down vote up 
@Override
public ValueSource parse(FunctionQParser fp) throws SyntaxError {
  List<ValueSource> sources = fp.parseValueSourceList();
  return new MultiBoolFunction(sources) {
    @Override
    protected String name() {
      return "or";
    }
    @Override
    protected boolean func(int doc, FunctionValues[] vals) throws IOException {
      for (FunctionValues dv : vals)
        if (dv.boolVal(doc)) return true;
      return false;
    }
  };
}
Example 3
Source File: ValueSourceParser.java    From lucene-solr with Apache License 2.0 6 votes vote down vote up 
@Override
public ValueSource parse(FunctionQParser fp) throws SyntaxError {
  List<ValueSource> sources = fp.parseValueSourceList();
  return new MultiBoolFunction(sources) {
    @Override
    protected String name() {
      return "xor";
    }
    @Override
    protected boolean func(int doc, FunctionValues[] vals) throws IOException {
      int nTrue=0, nFalse=0;
      for (FunctionValues dv : vals) {
        if (dv.boolVal(doc)) nTrue++;
        else nFalse++;
      }
      return nTrue != 0 && nFalse != 0;
    }
  };
}
Example 4
Source File: ValueSourceParser.java    From lucene-solr with Apache License 2.0 5 votes vote down vote up 
@Override
public ValueSource parse(FunctionQParser fp) throws SyntaxError {
  ValueSource vs = fp.parseValueSource();
  return new SimpleBoolFunction(vs) {
    @Override
    protected boolean func(int doc, FunctionValues vals) throws IOException {
      return !vals.boolVal(doc);
    }
    @Override
    protected String name() {
      return "not";
    }
  };
}