/*
 * Copyright 2018 datagear.tech
 *
 * Licensed under the LGPLv3 license:
 * http://www.gnu.org/licenses/lgpl-3.0.html
 */

package org.datagear.persistence;

import java.util.Arrays;

/**
 * 分页查询。
 *
 * @author datagear@163.com
 *
 */
public class PagingQuery extends Query
{
	private static final long serialVersionUID = 1L;

	/** 分页信息 */
	private Paging paging = new Paging();

	public PagingQuery()
	{
		super();
	}

	public PagingQuery(int page)
	{
		super();
		this.paging.setPage(page);
	}

	public PagingQuery(int page, int pageSize)
	{
		super();
		this.paging.setPage(page);
		this.paging.setPageSize(pageSize);
	}

	public PagingQuery(int page, int pageSize, String keyword)
	{
		super(keyword);
		this.paging.setPage(page);
		this.paging.setPageSize(pageSize);
	}

	public PagingQuery(int page, int pageSize, String keyword, String condition)
	{
		super(keyword, condition);
		this.paging.setPage(page);
		this.paging.setPageSize(pageSize);
	}

	public int getPage()
	{
		return this.paging.getPage();
	}

	public void setPage(int page)
	{
		this.paging.setPage(page);
	}

	public int getPageSize()
	{
		return this.paging.getPageSize();
	}

	public void setPageSize(int pageSize)
	{
		this.paging.setPageSize(pageSize);
	}

	@Override
	public String toString()
	{
		return getClass().getSimpleName() + " [page=" + getPage() + ", pageSize=" + getPageSize() + ", notLike="
				+ isNotLike() + ", keyword=" + getKeyword() + ", condition=" + getCondition() + ", orders="
				+ Arrays.toString(getOrders()) + "]";
	}

	@Override
	public int hashCode()
	{
		final int prime = 31;
		int result = super.hashCode();
		result = prime * result + ((paging == null) ? 0 : paging.hashCode());
		return result;
	}

	@Override
	public boolean equals(Object obj)
	{
		if (this == obj)
			return true;
		if (!super.equals(obj))
			return false;
		if (getClass() != obj.getClass())
			return false;
		PagingQuery other = (PagingQuery) obj;
		if (paging == null)
		{
			if (other.paging != null)
				return false;
		}
		else if (!paging.equals(other.paging))
			return false;
		return true;
	}
}
