package eu.dnetlib.pace.tree.support;

import eu.dnetlib.pace.util.PaceException;
import org.codehaus.jackson.map.ObjectMapper;

import java.io.IOException;
import java.io.Serializable;
import java.util.Map;

public class FieldConf implements Serializable {

    private String field;   //name of the field on which apply the comparator
    private String comparator;  //comparator name
    private double weight = 1.0;    //weight for the field (to be used in the aggregation)
    private Map<String,Number> params;  //parameters

    private boolean ignoreMissing;

    public boolean isIgnoreMissing() {
        return ignoreMissing;
    }

    public void setIgnoreMissing(boolean ignoreMissing) {
        this.ignoreMissing = ignoreMissing;
    }

    public FieldConf() {
    }

    public FieldConf(String field, String comparator, double weight, Map<String, Number> params, boolean ignoreMissing) {
        this.field = field;
        this.comparator = comparator;
        this.weight = weight;
        this.params = params;
        this.ignoreMissing = ignoreMissing;
    }

    public String getField() {
        return field;
    }

    public void setField(String field) {
        this.field = field;
    }

    public String getComparator() {
        return comparator;
    }

    public void setComparator(String comparator) {
        this.comparator = comparator;
    }

    public double getWeight() {
        return weight;
    }

    public void setWeight(double weight) {
        this.weight = weight;
    }

    public Map<String, Number> getParams() {
        return params;
    }

    public void setParams(Map<String, Number> params) {
        this.params = params;
    }

    @Override
    public String toString() {
        try {
            return new ObjectMapper().writeValueAsString(this);
        } catch (IOException e) {
            throw new PaceException("Impossible to convert to JSON: ", e);
        }
    }
}