org.faster.orm.model.GenericEntity.java Source code

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Here is the source code for org.faster.orm.model.GenericEntity.java

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/*
 * Copyright (c) 2013 @iSQWEN. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.faster.orm.model;

import org.apache.commons.lang3.builder.ToStringBuilder;
import org.apache.commons.lang3.builder.ToStringStyle;
import org.faster.util.Beans;
import org.faster.util.DateTimes;
import org.hibernate.collection.internal.AbstractPersistentCollection;

import java.io.Serializable;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.util.Calendar;
import java.util.Date;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;

/**
 * 
 * <p>
 * ?
 * <p>
 * ???
 *
 * @author sqwen
 */
@SuppressWarnings("serial")
public abstract class GenericEntity<ID extends Serializable> implements Cloneable, Serializable {

    public GenericEntity() {
    }

    public GenericEntity(Map<String, ?> attributes) {
        updateAttributes(attributes);
    }

    public abstract ID getId();

    public void updateAttributes(Map<String, ?> attributes) {
        Beans.populate(this, attributes);
    }

    public void updateAttribute(String attributeName, Object attributeValue) {
        Beans.setProperty(this, attributeName, attributeValue);
    }

    public void updateAttributes(Object from) {
        Beans.populate(this, from);
    }

    public void updateAttributes(Object from, String... slicePropertyName) {
        if (slicePropertyName == null || slicePropertyName.length == 0) {
            updateAttributes(from);
            return;
        }

        Beans.slicePopulate(this, from, slicePropertyName);
    }

    /**
     * toString
     * <p>
     * ToStringStyle?ToStringStyle.SHORT_PREFIX_STYLE
     * <p>
     * ???Hibernate
     * <p>
     * ?toString??toString
     * <p>
     *
     * @return String
     */
    @Override
    public String toString() {
        List<Class<?>> classes = new LinkedList<Class<?>>();
        Class<?> searchClass = getClass();
        do {
            classes.add(0, searchClass);
        } while ((searchClass = searchClass.getSuperclass()) != null);

        ToStringBuilder tsb = new ToStringBuilder(this, getToStringStyle());
        for (Class<?> clazz : classes) {
            for (Field field : clazz.getDeclaredFields()) {
                if (Modifier.isStatic(field.getModifiers())) {
                    continue;
                }
                field.setAccessible(true);
                Object obj = null;
                try {
                    obj = field.get(this);
                } catch (Exception e) {
                    e.printStackTrace();
                }
                if (obj instanceof AbstractPersistentCollection) {
                    continue;
                }
                if (obj instanceof Calendar) {
                    obj = DateTimes.formatDateToTimestampString(((Calendar) obj).getTime());
                } else if (obj instanceof Date) {
                    obj = DateTimes.formatDateToTimestampString((Date) obj);
                }
                tsb.append(field.getName(), obj);
            }
        }
        return tsb.toString();
    }

    protected ToStringStyle getToStringStyle() {
        return ToStringStyle.SHORT_PREFIX_STYLE;
    }

}