public override object GetValue(SysExpression expr, EntityCache cache, ExpressionCache expr_cache, SysProcessInstance pi, SysActivityInstance ai)
{
SysProcess process = pi.Process;
if (process.ProcessEntity == null)
{
throw new ApplicationException("流程实体为空");
}
SysOneMoreRelation relation = expr.Relation;
if (relation == null)
{
throw new ApplicationException("表达式的关系为空");
}
if (!relation.ChildEntityId.HasValue)
{
throw new ApplicationException("表达式的子实体为空");
}
if (!process.EntityId.HasValue)
{
throw new ApplicationException("流程的实体为空");
}
if (expr.Relation.ChildEntityId.Value != process.EntityId.Value)
{
throw new ApplicationException("不正确的关系");
}
if (!relation.ParentEntityId.HasValue)
{
throw new ApplicationException("关系的父实体为空");
}
if (!relation.ChildFieldId.HasValue)
{
throw new ApplicationException("关系的ChildFieldId为空");
}
long local1 = relation.ChildFieldId.Value;
if (relation.ChildField == null)
{
throw new ApplicationException("关系的对应字段为空");
}
SysEntity processEntity = pi.Process.ProcessEntity;
int objectId = pi.ObjectId;
EntityData data = cache.GetObject(processEntity, objectId);
SysEntity parentEntity = relation.ParentEntity;
if (data.ContainsKey(relation.ChildField.FieldName))
{
int num2 = Convert.ToInt32(data[relation.ChildField.FieldName]);
if (num2 != 0)
{
object obj2 = cache.GetObject(parentEntity, num2)[expr.Field.FieldName];
expr_cache.Add(expr, obj2);
return(obj2);
}
}
throw new ApplicationException(string.Format("计算表达式时需要字段{0}，但其未赋值或为空", relation.ChildField.FieldName));
}
public override object GetValue(SysExpression expr, EntityCache cache, ExpressionCache expr_cache, SysProcessInstance pi, SysActivityInstance ai)
{
SysProcess process = pi.Process;
SysEntity activityEntity = process.ActivityEntity;
if (activityEntity == null)
{
throw new ApplicationException("活动实体为空");
}
SysOneMoreRelation relation = expr.Relation;
if (relation == null)
{
throw new ApplicationException("表达式的关系为空");
}
if (!relation.ChildEntityId.HasValue)
{
throw new ApplicationException("表达式的子实体为空");
}
if (!process.ActivityEntityId.HasValue)
{
throw new ApplicationException("活动的实体为空");
}
if (expr.Relation.ChildEntityId.Value != process.ActivityEntityId.Value)
{
throw new ApplicationException("不正确的关系");
}
if (!relation.ParentEntityId.HasValue)
{
throw new ApplicationException("关系的父实体为空");
}
if (!relation.ChildFieldId.HasValue)
{
throw new ApplicationException("关系的ChildFieldId为空");
}
long local1 = relation.ChildFieldId.Value;
if (relation.ChildField == null)
{
throw new ApplicationException("关系的对应字段为空");
}
int activityInstanceId = ai.ActivityInstanceId;
EntityData data = cache.GetObject(activityEntity, activityInstanceId);
SysEntity parentEntity = relation.ParentEntity;
int num2 = Convert.ToInt32(data[relation.ChildField.FieldName]);
object obj2 = cache.GetObject(parentEntity, num2)[expr.Field.FieldName];
expr_cache.Add(expr, obj2);
return(obj2);
}
private static void LoadEntitySchema()
{
EntityCacheBase cache = EntityCacheBase.LoadCache();
using (List <SysEntity> .Enumerator enumerator = cache.SysEntity.GetEnumerator())
{
while (enumerator.MoveNext())
{
Func <SysMobileStepEntity, bool> predicate = null;
SysEntity e = enumerator.Current;
EntitySchema es = new EntitySchema();
bool? isHistory = e.IsHistory;
es.IsHistory = isHistory.HasValue ? isHistory.GetValueOrDefault() : false;
SysOneMoreRelation relation = e.ChildOneMoreRelations.FirstOrDefault <SysOneMoreRelation>(p => p.Is_Tree == true);
if (relation != null)
{
es.TreeRelationFieldName = relation.ChildField.FieldName;
}
es.IsChangeTableVersion = false;
if (predicate == null)
{
predicate = delegate(SysMobileStepEntity p) {
long?entityId = p.EntityId;
long num = e.EntityId;
return((entityId.GetValueOrDefault() == num) && entityId.HasValue);
};
}
if (cache.SysMobileStepEntity.Where <SysMobileStepEntity>(predicate).Count <SysMobileStepEntity>() > 0)
{
es.IsChangeTableVersion = true;
}
es.EntityId = e.EntityId;
es.EntityName = e.EntityName;
es.KeyName = e.GetKeyFieldName();
es.EntityType = cache.GetEntityType(e.EntityId);
es.DisplayName = e.GetDisplayFieldName();
int?privilegeMode = e.PrivilegeMode;
es.PrivilegeMode = privilegeMode.HasValue ? privilegeMode.GetValueOrDefault() : -2147483647;
privilegeMode = e.RequiredLevel;
es.RequiredLevel = privilegeMode.HasValue ? privilegeMode.GetValueOrDefault() : -2147483647;
LoadUniqueKey(es, e, cache);
LoadFields(es, e, cache);
LoadRelations(es, e, cache);
Add(es);
}
}
}
