/**
* @Description : primary key generator @Copyright : GL. All Rights Reserved @Company : 江苏国立网络技术有限公司
*
* @author : 黄建华
* @version : 1.0 Create Date : 2014年8月26日 下午8:09:03
*/
@Repository(value = "PKGenerator")
public class PrimaryKeyGenerator {
private String yearFlag = "#year";
private String monthFlag = "#month";
private String dayFlag = "#day";
private String hourFlag = "#hour";
private String minuteFlag = "#minute";
private String secondFlag = "#second";
@Autowired private IPKService service;
protected LogUtil log = LogUtil.getLogUtil(this.getClass());
private synchronized String getCurrentDateValue(int index) {
Calendar cal = Calendar.getInstance();
cal.setTime(new Date());
if (index == Calendar.MONTH) {
int i = cal.get(Calendar.MONTH) + 1;
return i < 10 ? "0" + i : String.valueOf(i);
} else if (index == Calendar.DATE) {
int d = cal.get(Calendar.DATE);
return d < 10 ? "0" + d : String.valueOf(d);
} else {
int d = cal.get(index);
return d < 10 ? "0" + d : String.valueOf(d);
}
}
/**
* matchAndReplace (利用java的正则表达式匹配和替换相关信息)
*
* @param String ; String ; String
* @author Bill huang
* @return String
* @exception
* @since 1.0.0
*/
private synchronized String matchAndReplace(String preFlag, String sourceStr, String destStr) {
Pattern p = Pattern.compile(preFlag);
Matcher m = p.matcher(sourceStr);
while (m.find()) {
sourceStr = sourceStr.replaceAll(preFlag, destStr);
}
return sourceStr;
}
/**
* doPreProcess (处理前缀信息)
*
* @param TPk ; StringBuffer
* @author Bill huang
* @return void
* @exception
* @since 1.0.0
*/
private synchronized void doPreProcess(TPk tpk, StringBuffer sb) {
String prefix = tpk.getBprefix();
if (StringUtils.isNotEmpty(prefix)) {
prefix = matchAndReplace(yearFlag, prefix, getCurrentDateValue(Calendar.YEAR));
prefix = matchAndReplace(monthFlag, prefix, getCurrentDateValue(Calendar.MONTH));
prefix = matchAndReplace(dayFlag, prefix, getCurrentDateValue(Calendar.DAY_OF_MONTH));
prefix = matchAndReplace(hourFlag, prefix, getCurrentDateValue(Calendar.HOUR_OF_DAY));
prefix = matchAndReplace(minuteFlag, prefix, getCurrentDateValue(Calendar.MINUTE));
prefix = matchAndReplace(secondFlag, prefix, getCurrentDateValue(Calendar.SECOND));
sb.append(prefix);
} else {
return;
}
}
/**
* doMiddleProcess (处理中间数字自动增长)
*
* @param TPk ; StringBuffer
* @author Bill huang
* @return void
* @exception
* @since 1.0.0
*/
private synchronized void doMiddleProcess(TPk tpk, StringBuffer sb) {
int len = tpk.getLength();
int curVal = tpk.getCurval();
int maxVal = tpk.getMaxval();
int minVal = tpk.getMinval();
if (curVal >= maxVal) {
curVal = minVal;
} else {
curVal++;
}
String curValStr = String.valueOf(curVal);
int stepLen = len - curValStr.length();
if (stepLen > 0) {
for (int i = 0; i < stepLen; i++) {
sb.append(0);
}
sb.append(curVal);
} else {
sb.append(curVal);
}
tpk.setCurval(curVal);
}
/**
* doSufProcess (处理后缀信息)
*
* @param TPk ; StringBuffer
* @author Bill huang
* @return void
* @exception
* @since 1.0.0
*/
private synchronized void doSufProcess(TPk tpk, StringBuffer sb) {
String suffix = tpk.getBsuffix();
if (StringUtils.isNotEmpty(suffix)) {
suffix = matchAndReplace(yearFlag, suffix, getCurrentDateValue(Calendar.YEAR));
suffix = matchAndReplace(monthFlag, suffix, getCurrentDateValue(Calendar.MONTH));
suffix = matchAndReplace(dayFlag, suffix, getCurrentDateValue(Calendar.DAY_OF_MONTH));
suffix = matchAndReplace(hourFlag, suffix, getCurrentDateValue(Calendar.HOUR_OF_DAY));
suffix = matchAndReplace(minuteFlag, suffix, getCurrentDateValue(Calendar.MINUTE));
suffix = matchAndReplace(secondFlag, suffix, getCurrentDateValue(Calendar.SECOND));
sb.append(suffix);
} else {
return;
}
}
protected synchronized TPk getTPKByEntity(TPk entity) {
return service.query(entity);
}
protected synchronized void saveOrUpdateTPk(TPk tpk) {
service.modify(tpk);
}
/**
* generatorBusinessKey (根据一条主键数据，生成业务主键)
*
* @param TPk
* @author Bill huang
* @return String
* @exception
* @since 1.0.0
*/
protected synchronized String generatorBusinessKey(TPk wt) {
// 查询一条主键数据
TPk tpk = this.getTPKByEntity(wt);
if (tpk == null) {
return null;
}
StringBuffer key = new StringBuffer();
TPk t = null;
// 将主键数据拷贝出来一个副本，直接对副本的数据进行操作
try {
t = (TPk) tpk.clone();
} catch (CloneNotSupportedException e) {
log.debug(e.getMessage(), e);
t = new TPk();
BeanUtils.copyProperties(tpk, t);
}
// 对副本的数据进行前缀处理
this.doPreProcess(t, key);
// 对副本的数据进行中间数据增长处理
this.doMiddleProcess(t, key);
// 对副本的数据进行后缀处理
this.doSufProcess(t, key);
tpk.setCurval(t.getCurval());
// 生成完成后的主键数据更新到数据库
this.saveOrUpdateTPk(tpk);
return key.toString();
}
/**
* generatorBusinessKeyByBid (根据主键表BID[业务key]查询一条主键数据，并生成业务主键)
*
* @param bid
* @author Bill huang
* @return String
* @exception
* @since 1.0.0
*/
public String generatorBusinessKeyByBid(String bid) {
if (StringUtils.isEmpty(bid)) {
return StringUtils.EMPTY;
}
synchronized (bid) {
TPk wt = new TPk();
wt.setBid(bid);
return this.generatorBusinessKey(wt);
}
}
/**
* generatorBusinessKeyById (根据主键表ID查询一条主键数据，并生成业务主键)
*
* @param id
* @author Bill huang
* @return String
* @exception
* @since 1.0.0
*/
public String generatorBusinessKeyById(String id) {
if (StringUtils.isEmpty(id)) {
return StringUtils.EMPTY;
}
synchronized (id) {
TPk wt = new TPk();
wt.setId(id);
return this.generatorBusinessKey(wt);
}
}
public String getPKey(String bid) {
return this.generatorBusinessKeyByBid(bid);
}
public String replaceCode(String code, String str, String target) {
if (StringUtils.isEmpty(code) || StringUtils.isEmpty(str) || StringUtils.isEmpty(target)) {
return StringUtils.EMPTY;
}
return this.matchAndReplace(code, str, target);
};
public static void main(String[] args) {
PrimaryKeyGenerator prg = new PrimaryKeyGenerator();
String m = prg.getCurrentDateValue(Calendar.MONTH);
System.out.println(m);
String d = prg.getCurrentDateValue(Calendar.DATE);
System.out.println(d);
String h = prg.getCurrentDateValue(Calendar.HOUR);
String hod = prg.getCurrentDateValue(Calendar.HOUR_OF_DAY);
String minute = prg.getCurrentDateValue(Calendar.MINUTE);
String second = prg.getCurrentDateValue(Calendar.SECOND);
System.out.println(h);
System.out.println(hod);
System.out.println(minute);
System.out.println(second);
/*TPk tpk = new TPk();
tpk.setId("001");
tpk.setBid("bid");
tpk.setMaxval(1000000000);
tpk.setMinval(1);
TPk t = new TPk();
BeanUtils.copyProperties(tpk, t);
System.out.println(tpk);
System.out.println(t);*/
// create a calendar
/* Calendar cal = Calendar.getInstance();
// get the value of all the calendar date fields.
System.out.println("Calendar's Year: " + cal.get(Calendar.YEAR));
System.out.println("Calendar's Month: " + cal.get(Calendar.MONTH));
System.out.println("Calendar's Day: " + cal.get(Calendar.DATE));*/
}
}
/**
* @Description : @Copyright : GL. All Rights Reserved @Company : 江苏国立网络技术有限公司
*
* @author : 黄建华
* @version : 1.0 Create Date : 2014年8月27日 下午5:37:23
*/
public abstract class BaseService<T extends BaseBean> implements IBaseService<T> {
protected LogUtil log = LogUtil.getLogUtil(this.getClass());
/* (non-Javadoc)
* @see com.appabc.common.base.service.IBaseService#add(com.appabc.common.base.bean.BaseBean)
*/
public void add(T entity) {
// TODO need the child class to implements
throw new RuntimeException("unimplement the add the entity function exception");
}
/* (non-Javadoc)
* @see com.appabc.common.base.service.IBaseService#modify(com.appabc.common.base.bean.BaseBean)
*/
public void modify(T entity) {
// TODO need the child class to implements
throw new RuntimeException("unimplement the modify the entity function exception");
}
/* (non-Javadoc)
* @see com.appabc.common.base.service.IBaseService#delete(com.appabc.common.base.bean.BaseBean)
*/
public void delete(T entity) {
// TODO need the child class to implements
throw new RuntimeException("unimplement the delete by entity function exception");
}
/* (non-Javadoc)
* @see com.appabc.common.base.service.IBaseService#delete(java.lang.String)
*/
public void delete(Serializable id) {
// TODO need the child class to implements
throw new RuntimeException("unimplement the delete by id function exception");
}
/* (non-Javadoc)
* @see com.appabc.common.base.service.IBaseService#query(com.appabc.common.base.bean.BaseBean)
*/
public T query(T entity) {
// TODO need the child class to implements
throw new RuntimeException("unimplement the query by entity function exception");
}
/* (non-Javadoc)
* @see com.appabc.common.base.service.IBaseService#query(java.lang.String)
*/
public T query(Serializable id) {
// TODO need the child class to implements
throw new RuntimeException("unimplement the query by id function exception");
}
/* (non-Javadoc)
* @see com.appabc.common.base.service.IBaseService#queryForList(com.appabc.common.base.bean.BaseBean)
*/
public List<T> queryForList(T entity) {
// TODO need the child class to implements
throw new RuntimeException("unimplement the queryForList by entity function exception");
}
/* (non-Javadoc)
* @see com.appabc.common.base.service.IBaseService#queryForList(java.util.Map)
*/
public List<T> queryForList(Map<String, ?> args) {
// TODO need the child class to implements
throw new RuntimeException("unimplement the queryForList by args function exception");
}
/* (non-Javadoc)
* @see com.appabc.common.base.service.IBaseService#queryListForPagination(com.appabc.common.base.QueryContext)
*/
public QueryContext<T> queryListForPagination(QueryContext<T> qContext) {
// TODO need the child class to implements
throw new RuntimeException(
"unimplement the queryListForPagination by QueryContext function exception");
}
}