net.gdface.facelog.db.mysql.DeviceCacheManager Maven / Gradle / Ivy
// ______________________________________________________
// Generated by sql2java - https://github.com/10km/sql2java-2-6-7 (custom branch)
// modified by guyadong from
// sql2java original version https://sourceforge.net/projects/sql2java/
// JDBC driver used at code generation time: com.mysql.jdbc.Driver
// template: cache.manager.java.vm
// ______________________________________________________
package net.gdface.facelog.db.mysql;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import com.google.common.util.concurrent.UncheckedExecutionException;
import net.gdface.facelog.db.ITableCache;
import net.gdface.facelog.db.ITableCache.UpdateStrategy;
import net.gdface.facelog.db.exception.ObjectRetrievalException;
import net.gdface.facelog.db.exception.RuntimeDaoException;
import net.gdface.facelog.db.ImageBean;
import net.gdface.facelog.db.LogBean;
import net.gdface.facelog.db.DeviceGroupBean;
import net.gdface.facelog.db.mysql.DeviceManager;
import net.gdface.facelog.db.DeviceBean;
import net.gdface.facelog.db.mysql.DeviceCache;
/**
* cache implementation for DeviceManager
* @author guyadong
*/
public class DeviceCacheManager extends DeviceManager
{
/** singleton of DeviceCacheManager */
private static DeviceCacheManager instance;
/**
* @return a instance of DeviceCacheManager
* @throws IllegalStateException while {@link #instance} is null
*/
public static final DeviceCacheManager getInstance(){
if(null == instance){
throw new IllegalStateException("uninitialized instance of DeviceCacheManager");
}
return instance;
}
/**
* create a instance of DeviceCacheManager and assign to {@link #instance} if {@code instance} is not initialized.
* otherwise return {@code instance}.
* @see DeviceCacheManager#DeviceCacheManager(UpdateStrategy ,long , long , TimeUnit )
*/
public static synchronized final DeviceCacheManager makeInstance(UpdateStrategy updateStrategy,long maximumSize, long duration, TimeUnit unit){
if(null == instance){
instance = new DeviceCacheManager(updateStrategy,maximumSize,duration,unit);
}
return instance;
}
/** @see #makeInstance(UpdateStrategy,long, long, TimeUnit) */
public static final DeviceCacheManager makeInstance(long maximumSize, long duration, TimeUnit unit){
return makeInstance(ITableCache.DEFAULT_STRATEGY,maximumSize, duration, unit);
}
/** @see #makeInstance(long, long, TimeUnit) */
public static final DeviceCacheManager makeInstance(long maximumSize, long durationMinutes){
return makeInstance(maximumSize, durationMinutes, ITableCache.DEFAULT_TIME_UNIT);
}
/** @see #makeInstance(long, long, TimeUnit) */
public static final DeviceCacheManager makeInstance(long maximumSize){
return makeInstance(maximumSize,ITableCache.DEFAULT_DURATION,ITableCache.DEFAULT_TIME_UNIT);
}
/** instance of {@link DeviceCache} */
private final DeviceCache cache;
/** constructor
* @see DeviceCache#DeviceCache(UpdateStrategy ,long , long , TimeUnit )
*/
protected DeviceCacheManager(UpdateStrategy updateStrategy,long maximumSize, long duration, TimeUnit unit) {
cache = new DeviceCache(updateStrategy,maximumSize,duration,unit);
cache.registerListener();
}
@Override
protected ImageManager instanceOfImageManager(){
try{
return ImageCacheManager.getInstance();
} catch(IllegalStateException e){
return ImageManager.getInstance();
}
}
@Override
protected LogManager instanceOfLogManager(){
try{
return LogCacheManager.getInstance();
} catch(IllegalStateException e){
return LogManager.getInstance();
}
}
@Override
protected DeviceGroupManager instanceOfDeviceGroupManager(){
try{
return DeviceGroupCacheManager.getInstance();
} catch(IllegalStateException e){
return DeviceGroupManager.getInstance();
}
}
//////////////////////////////////////
// PRIMARY KEY METHODS
//////////////////////////////////////
//1.1 override IDeviceManager
@Override
public DeviceBean loadByPrimaryKeyChecked(Integer id) throws ObjectRetrievalException
{
if(null == id){
throw new ObjectRetrievalException(new NullPointerException());
}
try{
return cache.getBean(id);
}catch(ExecutionException ee){
try{
throw ee.getCause();
}catch(ObjectRetrievalException oe){
throw oe;
} catch (RuntimeDaoException we) {
throw we;
} catch (RuntimeException re) {
throw re;
}catch (Throwable e) {
throw new RuntimeException(ee);
}
}catch(UncheckedExecutionException ue){
try{
throw ue.getCause();
}catch(ObjectRetrievalException oe){
throw oe;
} catch (RuntimeDaoException we) {
throw we;
} catch (RuntimeException re) {
throw re;
}catch (Throwable e) {
throw new RuntimeException(ue);
}
}
}
//1.4 override IDeviceManager
@Override
public boolean existsPrimaryKey(Integer id){
return null != loadByPrimaryKey(id);
}
private class CacheAction implements Action{
final Action action;
CacheAction(Actionaction){
this.action = action;
}
@Override
public void call(DeviceBean bean) {
if(null != action){
action.call(bean);
}
cache.update(bean);
}
@Override
public DeviceBean getBean() {
return null == action?null:action.getBean();
}
}
//20-5
@Override
public int loadUsingTemplate(DeviceBean bean, int[] fieldList, int startRow, int numRows,int searchType, Action action){
if(null == fieldList ){
action = new CacheAction(action);
}
return super.loadUsingTemplate(bean,fieldList,startRow,numRows,searchType,action);
}
//_____________________________________________________________________
//
// USING INDICES
//_____________________________________________________________________
// override DeviceManager
@Override
public DeviceBean loadByIndexMacChecked(String mac) throws ObjectRetrievalException{
if(null == mac){
throw new ObjectRetrievalException(new NullPointerException());
}
try{
return cache.getBeanByMac(mac);
}catch(ExecutionException ee){
try{
throw ee.getCause();
}catch(ObjectRetrievalException oe){
throw oe;
} catch (RuntimeDaoException we) {
throw we;
} catch (RuntimeException re) {
throw re;
}catch (Throwable e) {
throw new RuntimeException(ee);
}
}catch(UncheckedExecutionException ue){
try{
throw ue.getCause();
}catch(ObjectRetrievalException oe){
throw oe;
} catch (RuntimeDaoException we) {
throw we;
} catch (RuntimeException re) {
throw re;
}catch (Throwable e) {
throw new RuntimeException(ue);
}
}
}
// override DeviceManager
@Override
public DeviceBean loadByIndexSerialNoChecked(String serialNo) throws ObjectRetrievalException{
if(null == serialNo){
throw new ObjectRetrievalException(new NullPointerException());
}
try{
return cache.getBeanBySerialNo(serialNo);
}catch(ExecutionException ee){
try{
throw ee.getCause();
}catch(ObjectRetrievalException oe){
throw oe;
} catch (RuntimeDaoException we) {
throw we;
} catch (RuntimeException re) {
throw re;
}catch (Throwable e) {
throw new RuntimeException(ee);
}
}catch(UncheckedExecutionException ue){
try{
throw ue.getCause();
}catch(ObjectRetrievalException oe){
throw oe;
} catch (RuntimeDaoException we) {
throw we;
} catch (RuntimeException re) {
throw re;
}catch (Throwable e) {
throw new RuntimeException(ue);
}
}
}
//_____________________________________________________________________
//
// SAVE
//_____________________________________________________________________
//12
@Override
public DeviceBean save(DeviceBean bean){
boolean modified = null == bean ? false : bean.isModified();
super.save(bean);
if( modified && UpdateStrategy.refresh == cache.getUpdateStrategy() ){
bean.copy(cache.getBeanUnchecked(bean.getId())).resetIsModified();
}
return bean;
}
}
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