com.github.outerman.be.template.TemplateManager Maven / Gradle / Ivy
package com.github.outerman.be.template;
import java.util.HashMap;
import java.util.Map;
import com.github.outerman.be.model.Org;
/**
* Created by shenxy on 19/7/17.
*
* 管理模板
* 模板数据会动态修改，在数据提供 {@code ITemplateProvider} 方进行缓存的处理
*
模板管理只按照企业、业务类型编码，缓存 BusinessTemplate 对象
*/
public final class TemplateManager {
private static TemplateManager instance;
public static TemplateManager getInstance() {
if (instance == null) {
synchronized (TemplateManager.class) {
if (instance == null) {
instance = new TemplateManager();
}
}
}
return instance;
}
Map businessTemplateMap = new HashMap<>();
public BusinessTemplate fetch(Org org, String businessCode, ITemplateProvider provider) {
BusinessTemplate result;
String key = getKey(org.getId(), businessCode);
if (businessTemplateMap.containsKey(key)) {
result = businessTemplateMap.get(key);
} else {
result = new BusinessTemplate();
}
result.init(org, businessCode, provider);
return result;
}
private String getKey(Long orgId, String businessCode) {
return orgId.toString() + "_" + businessCode;
}
private TemplateManager() {
// avoid instantiate
}
}