ars.module.system.repository.AbstractConfigRepository Maven / Gradle / Ivy

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package ars.module.system.repository;

import java.util.Map;
import java.util.List;
import java.util.HashMap;
import java.util.Collections;

import ars.util.Beans;
import ars.module.system.model.Config;
import ars.module.system.repository.ConfigRepository;
import ars.database.hibernate.HibernateSimpleRepository;

/**
 * 系统配置数据持久抽象实现
 * 
 * @author yongqiangwu
 * 
 * @param 
 *            数据模型
 */
public abstract class AbstractConfigRepository extends HibernateSimpleRepository
		implements ConfigRepository {
	private Map configure; // 系统配置缓存

	/**
	 * 初始化系统配置缓存
	 */
	protected void initConfigureCache() {
		if (this.configure == null) {
			List configs = this.query().list();
			this.configure = new HashMap(configs.size());
			for (int i = 0; i < configs.size(); i++) {
				Config config = configs.get(i);
				this.configure.put(config.getKey(), config.getValue());
			}
		}
	}

	@Override
	public Map getConfigure() {
		if (this.configure == null) {
			synchronized (this) {
				this.initConfigureCache();
			}
		}
		return Collections.unmodifiableMap(this.configure);
	}

	@Override
	public synchronized String get(String key) {
		this.initConfigureCache();
		return this.configure.get(key);
	}

	@Override
	public synchronized void set(String key, String value) {
		this.initConfigureCache();
		if (!Beans.isEqual(this.configure.get(key), value)) {
			T config = this.query().eq("key", key).single();
			if (config == null) {
				config = Beans.getInstance(this.getModel());
				config.setKey(key);
				config.setValue(value);
				this.save(config);
			} else {
				config.setValue(value);
				this.update(config);
			}
			this.configure.put(key, value);
		}
	}

	@Override
	public synchronized void remove(String key) {
		this.initConfigureCache();
		if (this.configure.containsKey(key)) {
			T config = this.query().eq("key", key).single();
			if (config != null) {
				this.delete(config);
			}
			this.configure.remove(key);
		}
	}

}