webcrawler/db/src/main/java/db/model/AbstractModel.java

package db.model;

import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.hibernate.criterion.DetachedCriteria;
import org.springframework.dao.DataAccessException;

import java.io.Serializable;

/**
 * Created by reborn on 2017/8/3.
 */

public abstract class AbstractModel {
    protected Logger log=LogManager.getLogger();

    public abstract Serializable primaryKey();

    public abstract String tableNote();

    private DataAccessException dataAccessException;

    private static ObjectMapper objectMapper=new ObjectMapper();

    static {
        objectMapper.enable(SerializationFeature.INDENT_OUTPUT);
        objectMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
    }

    private Serializable[] checkeds;

    private DetachedCriteria criteria;

    public Serializable[] getCheckeds() {
        return checkeds;
    }

    public void setCheckeds(Serializable[] checkeds) {
        this.checkeds = checkeds;
    }

    public DataAccessException getDataAccessException() {
        return dataAccessException;
    }

    public void setDataAccessException(DataAccessException dataAccessException) {
        this.dataAccessException = dataAccessException;
    }

    public DetachedCriteria getCriteria() {
        return criteria;
    }

    public void setCriteria(DetachedCriteria criteria) {
        this.criteria = criteria;
    }

    @Override
    public String toString() {
        try {
            return objectMapper.writeValueAsString(this);
        } catch (JsonProcessingException e) {
            log.info(e);
            return super.toString();
        }
    }
}