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====== XLoadCase ======

**//Inherited from//**  [[class::domain::norderitem|NOrderItem]],

**//Inherited by//**  NULL

**//Friend class//**  LoadCaseManager,

**//Description//**

XLoadCase封装了分析步中载荷约束边界条件的设定以及相应的方法，它的类型标识名字为"CLOADCASE"。它由一组在分析步中用到的载荷约束边界条件的实例构成，在每个条件实例里指定了边界条件的状态（是否可用）以及引用系数。一个工况对象属且仅属于一个分析步，一个分析步可以包含多个工况对象，默认清空下一个分析步仅包含一个工况对象。

当一个分析步中包含多个工况对象时，这些工况对象应包含的条件实例所参考的边界条件应一致（状态或者引用系数可能有变换）。

**//Members//**
  * ConditionManager * [[xloadcase#m_pcndmgr|m_pCndMgr]]
  * OrderContainer [[xloadcase#m_cndinsts|m_CndInsts]]
**//Public interface//**
  * [[xloadcase#xloadcase1|XLoadCase]](ulong id)
  * [[xloadcase#~xloadcase|~XLoadCase]]()
  * const XAnalysis * [[xloadcase#getanalysis|getAnalysis]]() const
  * void [[xloadcase#setanalysis|setAnalysis]](const XAnalysis * step)
  * void [[xloadcase#bindconditionmanager|bindConditionManager]](ConditionManager * cndMgr)
  * void [[xloadcase#initconditioninstance|initConditionInstance]](XAnalysis * step)
  * XConditionInstance* [[xloadcase#addcondition|addCondition]](const XCondition* cnd, real coef)
  * void [[xloadcase#removecondition|removeCondition]](const XCondition* cnd)
  * void [[xloadcase#addconditioninstance|addConditionInstance]](XConditionInstance* cnd)
  * void [[xloadcase#removecondition|removeCondition]](XConditionInstance* cnd)
  * const XConditionInstance * [[xloadcase#getconditioninstance|getConditionInstance]](const XCondition* cnd) const
  * void [[xloadcase#bindconditioniterator|bindConditionIterator]](OrderItemIterator<XConditionInstance> * hIter) const
  * int [[xloadcase#getconditioncount|getConditionCount]]() const
  * void [[xloadcase#clear|clear]]()
  * virtual void [[xloadcase#write|write]](XBinaryIO * io)
  * virtual ErrorCode [[xloadcase#read|read]](XBinaryIO * io)
  * void [[xloadcase#write|write]](XH5IO * io, H5Obj * grp) const
  * bool [[xloadcase#read|read]](XH5IO * io, H5Obj * grp)

----

{{anchor:m_pcndmgr}}
**ConditionManager * m_pCndMgr**

条件对象管理器

{{anchor:m_cndinsts}}
**OrderContainer m_CndInsts**

条件实例容器

----

{{anchor:xloadcase1}}
**XLoadCase(ulong id)**
  *function: 构造函数
  *parameters: 
    - [i]ulong id: 对象ID
  *return value: 无

{{anchor:~xloadcase}}
**~XLoadCase()**
  *function: 析构函数
  *parameters: NULL
  *return value: 无

{{anchor:getanalysis}}
**const XAnalysis * getAnalysis() const**
  *function: 获取分析步对象
  *parameters: NULL
  *return value: 分析步对象

{{anchor:setanalysis}}
**void setAnalysis(const XAnalysis * step)**
  *function: 设置分析步对象
  *parameters: 
    - [i]const XAnalysis * step: 分析步对象
  *return value: 无

{{anchor:bindconditionmanager}}
**void bindConditionManager(ConditionManager * cndMgr)**
  *function: 绑定条件对象管理器
  *parameters: 
    - [i]ConditionManager * cndMgr: 条件对象管理器
  *return value: 无

{{anchor:initconditioninstance}}
**void initConditionInstance(XAnalysis * step)**
  *function: 初始化条件实例
  *parameters: 
    - [i]XAnalysis * step: 分析步对象
  *return value: 

{{anchor:addcondition}}
**XConditionInstance* addCondition(const XCondition* cnd, real coef)**
  *function: 添加条件对象的实例，默认激活有效
  *parameters: 
    - [i]const XCondition* cnd: 条件对象
    - [i] real coef: 应用系数
  *return value: 条件对象的实例

{{anchor:removecondition}}
**void removeCondition(const XCondition* cnd)**
  *function: 删除属于条件对象的实例
  *parameters: 
    - [i]const XCondition* cnd: 条件对象
  *return value: 无

{{anchor:addconditioninstance}}
**void addConditionInstance(XConditionInstance* cnd)**
  *function: 添加条件实例
  *parameters: 
    - [i]XConditionInstance* cnd: 条件实例对象
  *return value: 无

{{anchor:removecondition}}
**void removeCondition(XConditionInstance* cnd)**
  *function: 删除条件实例
  *parameters: 
    - [i]XConditionInstance* cnd: 条件实例对象
  *return value: 无

{{anchor:getconditioninstance}}
**const XConditionInstance * getConditionInstance(const XCondition* cnd) const**
  *function: 获取本工况中属于条件对象的实例
  *parameters: 
    - [i]const XCondition* cnd: 条件对象
  *return value: 本工况中属于条件对象的实例

{{anchor:bindconditioniterator}}
**void bindConditionIterator(OrderItemIterator<XConditionInstance> * hIter) const**
  *function: 绑定条件实例的迭代器
  *parameters: 
    - [i]OrderItemIterator<XConditionInstance> * hIter: 条件实例的迭代器
  *return value: 无

{{anchor:getconditioncount}}
**int getConditionCount() const**
  *function: 获取条件实例的个数
  *parameters: NULL
  *return value: 条件实例的个数

{{anchor:clear}}
**void clear()**
  *function: 情况条件实例
  *parameters: NULL
  *return value: 无

{{anchor:write}}
**virtual void write(XBinaryIO * io)**
  *function: 将单元属性信息写入到二进制文件中
  *parameters: 
    - [i]XBinaryIO * io: 二进制文件句柄
  *return value: 无

{{anchor:read}}
**virtual ErrorCode read(XBinaryIO * io)**
  *function: 从二进制文件中读取单元属性信息
  *parameters: 
    - [i]XBinaryIO * io: 二进制文件句柄
  *return value: 如成功读取返回Error_None, 否则返回相应错误码

{{anchor:write}}
**virtual void write(XH5IO * io, H5Obj * grp)**
  *function: 将单元属性信息写入到HDF5文件中
  *parameters: 
    - [i]XH5IO * io: HDF5文件句柄
    - [i] H5Obj * grp: 数据对象所对应的HDF5节点
  *return value: 无

{{anchor:read}}
**virtual bool read(XH5IO * io, H5Obj * grp)**
  *function: 从HDF5文件中读取单元属性信息
  *parameters: 
    - [i]XH5IO * io: HDF5文件句柄
    - [i] H5Obj * grp: 数据对象所对应的HDF5节点
  *return value: 无
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