1.解决ATRow对象被同时操作引发的数据问题，避免重复数据写入和旧数据覆盖等问题
/**
* AT表（对象）工具类
*
* @author xuweijun
* @date 2022/5/23
*/
public class ATUtils extends ATRowUtility{
//private constructor
private ATUtils() {
}
/**
* ATrow是否被删除
* @author xuweijun
* @date 2022/11/22 10:34
* @param atRow
* @return boolean
*/
public static boolean isATRowDeleted(ATRow atRow){
if (atRow.isNew() || atRow.isHistorical()) {
return true;
}
ATDefinition var1 = atRow.getATDefinition();
ATRowFilter var2 = PCContext.getFunctions().createATRowFilter(var1.getName());
var2.forATRowKeyEqualTo(atRow.getKey());
Vector var3;
try {
var3 = var2.exec(false);
} catch (DatasweepException var6) {
throw new MESRuntimeException("Error when refreshing ATRow", var6);
}
if (var3.size() != 1) {
return true;
} else {
return false;
}
}
/**
* 对象是否被从数据库删除
* @author xuweijun
* @date 2022/11/22 10:29
* @param mesatObject
* @return boolean
*/
public static boolean isATObjetDeleted(MESATObject mesatObject){
ATRow atRow = mesatObject.getATRow();
if (atRow.isNew() || atRow.isHistorical()) {
return true;
}
return isATRowDeleted(atRow);
}
/**
* atRow是否被数据库更改，只能校验一次，后续缓存被更新
* @author xuweijun
* @date 2022/11/22 10:21
* @param atRow
* @return boolean
*/
public static boolean isATRowModified(ATRow atRow) {
if (atRow.isNew() || atRow.isHistorical()) {
return false;
}
Time lastModifiedTime = atRow.getLastModifiedTime();
ATDefinition var1 = atRow.getATDefinition();
ATRowFilter var2 = PCContext.getFunctions().createATRowFilter(var1.getName());
var2.forATRowKeyEqualTo(atRow.getKey());
Vector var3;
try {
var3 = var2.exec(false);
} catch (DatasweepException var6) {
throw new MESRuntimeException("Error when refreshing ATRow", var6);
}
if (var3.size() != 1) {
return false;
} else {
ATRow atRowNew = (ATRow) var3.get(0);
Time lastModifiedTimeNew = atRowNew.getLastModifiedTime();
if (lastModifiedTimeNew == null && lastModifiedTime == null) {
return false;
}
if (lastModifiedTimeNew != null && lastModifiedTime != null) {
return !lastModifiedTimeNew.equals(lastModifiedTime);
}
return true;
}
}
/**
* 对象是否被数据库更改，该方法只能校验一次，查询后首次缓存被更新了
* @author xuweijun
* @date 2022/11/22 10:20
* @param mesatObject
* @return boolean
*/
public static boolean isATObjetModified(MESATObject mesatObject){
ATRow atRow = mesatObject.getATRow();
if (atRow.isNew() || atRow.isHistorical()) {
return false;
}
return isATRowModified(atRow);
}
/**
* 客户端需要保存当前时间戳
* @author xuweijun
* @date 2022/11/22 15:53
* @param mesatObject
* @param originalTime
* @return boolean
*/
public static boolean isATObjetLastModified(MESATObject mesatObject,Time originalTime)
{
ATRow atRow = mesatObject.getATRow();
if (atRow.isNew() || atRow.isHistorical()) {
return false;
}
return isATRowLastModified(atRow,originalTime);
}
/**
* 客户端需要保存当前时间戳
* @author xuweijun
* @date 2022/11/22 15:55
* @param atRow
* @param originalTime
* @return boolean
*/
public static boolean isATRowLastModified(ATRow atRow,Time originalTime)
{
if (atRow.isNew() || atRow.isHistorical()) {
return false;
}
Time lastModifiedTime = originalTime;
ATDefinition var1 = atRow.getATDefinition();
ATRowFilter var2 = PCContext.getFunctions().createATRowFilter(var1.getName());
var2.forATRowKeyEqualTo(atRow.getKey());
Vector var3;
try {
var3 = var2.exec(false);
} catch (DatasweepException var6) {
throw new MESRuntimeException("Error when refreshing ATRow", var6);
}
if (var3.size() != 1) {
return false;
} else {
ATRow atRowNew = (ATRow) var3.get(0);
Time lastModifiedTimeNew = atRowNew.getLastModifiedTime();
if (lastModifiedTimeNew == null && lastModifiedTime == null) {
return false;
}
if (lastModifiedTimeNew != null && lastModifiedTime != null) {
return !lastModifiedTimeNew.equals(lastModifiedTime);
}
return true;
}
}
/**
* 过滤掉数据库已经被删除的AT对象
* @author xuweijun
* @date 2022/11/22 12:49
* @param atObjects 对象列表
* @param isUpdate 是否对当前对象进行更新
* @return java.util.List<? extends com.rockwell.mes.commons.base.ifc.objects.MESATObject>
*/
public static List<? extends MESATObject> filterATObjetNotInDb(List<? extends MESATObject> atObjects,boolean isUpdate)
{
if(CollectionUtility.isEmpty(atObjects))
{
return atObjects;
}
ATRow atRow = atObjects.get(0).getATRow();
ATDefinition var1 = atRow.getATDefinition();
ATRowFilter var2 = PCContext.getFunctions().createATRowFilter(var1.getName());
for (int i = 0; i < atObjects.size(); i++) {
MESATObject mesatObject = atObjects.get(i);
ATRow atRow1 = mesatObject.getATRow();
var2.forATRowKeyEqualTo(atRow1.getKey());
}
Vector<ATRow> var3;
try {
var3 = var2.exec(false);
} catch (DatasweepException var6) {
throw new MESRuntimeException("Error when refreshing ATRow", var6);
}
Iterator<? extends MESATObject> iterator = atObjects.iterator();
if (CollectionUtility.isEmpty(var3)) {
atObjects.clear();
} else {
while (iterator.hasNext()) {
MESATObject next = iterator.next();
ATRow atRow1 = next.getATRow();
ATRow atRow2 = var3.stream().filter(item -> item.getKey() == atRow1.getKey()).findAny().orElse(null);
if (atRow2 == null) {
iterator.remove();
} else {
if (isUpdate) {
//这里不用强制更新com.datasweep.compatibility.manager.ATManager#updateObject会更新缓存中的引用
ReflectUtilsEx.setObjFieldValue(next,next.getClass(),"dgtATRow",atRow2);
}
}
}
}
return atObjects;
}
}