com.supermy.base.service.WebMetaService.java Source code

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Here is the source code for com.supermy.base.service.WebMetaService.java

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/*******************************************************************************
 * Copyright (c) 2005, 2014 springside.github.io
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 *******************************************************************************/
package com.supermy.base.service;

import org.hibernate.SessionFactory;
import org.hibernate.metadata.ClassMetadata;
import org.hibernate.type.Type;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import org.springframework.transaction.annotation.Transactional;

import javax.persistence.EntityManagerFactory;
import java.util.HashMap;
import java.util.Map;

/**
 * ???
 */
// Spring Bean.
@Component
// public?.
@Transactional
public class WebMetaService {

    private SessionFactory sessionfactory;

    @Autowired
    public WebMetaService(EntityManagerFactory factory) {
        if (factory.unwrap(SessionFactory.class) == null) {
            throw new NullPointerException("factory is not a hibernate factory");
        }
        this.sessionfactory = factory.unwrap(SessionFactory.class);
    }

    /**
     *
     *
     * @param domainName
     * @return
      */
    public Map getHibernateMetaJson(String domainName) {
        System.out.println("getHibernateMetaJson:" + domainName);

        ClassMetadata meta = sessionfactory.getClassMetadata(domainName);

        //Object[] propertyValues = catMeta.getPropertyValues(fritz);
        String[] propertyNames = meta.getPropertyNames();
        Type[] propertyTypes = meta.getPropertyTypes();

        // get a Map of all properties which are not collections or associations
        Map namedValues = new HashMap();
        for (int i = 0; i < propertyNames.length; i++) {
            namedValues.put(propertyNames[i], propertyTypes[i].getName());
            //         if ( !propertyTypes[i].isEntityType() && !propertyTypes[i].isCollectionType() ) {
            //            namedValues.put( propertyNames[i], propertyValues[i] );
            //         }
        }
        //configuration.getClassMapping([entity class name]).getTable().getColumn([column number]).getComment()

        Map result = new HashMap();
        result.put("domainName", meta.getEntityName());
        result.put("entityName", meta.getMappedClass().getSimpleName());
        result.put("id", meta.getIdentifierPropertyName());
        result.put("idType", meta.getIdentifierType().getName());

        result.put("data", namedValues);

        System.out.println(result);

        return result;
    }
}