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摘要: 嵌套 | 字段 | 构造方法 | 方法 | 详细信息: 字段 | 构造方法 | 方法 |
java.lang.Objectorg.activiti.engine.impl.juel.AstNode
org.activiti.engine.impl.juel.AstMethod
public class AstMethod
构造方法摘要 | |
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AstMethod(AstProperty property,
AstParameters params)
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方法摘要 | |
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void |
appendStructure(StringBuilder builder,
Bindings bindings)
|
Object |
eval(Bindings bindings,
ELContext context)
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int |
getCardinality()
Get the node's number of children. |
Node |
getChild(int i)
Get i'th child |
MethodInfo |
getMethodInfo(Bindings bindings,
ELContext context,
Class<?> returnType,
Class<?>[] paramTypes)
Get method information. |
Class<?> |
getType(Bindings bindings,
ELContext context)
Get the value type accepted in ExpressionNode.setValue(Bindings, ELContext, Object) . |
ValueReference |
getValueReference(Bindings bindings,
ELContext context)
Get value reference. |
Object |
invoke(Bindings bindings,
ELContext context,
Class<?> returnType,
Class<?>[] paramTypes,
Object[] paramValues)
Invoke method. |
boolean |
isLeftValue()
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boolean |
isLiteralText()
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boolean |
isMethodInvocation()
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boolean |
isReadOnly(Bindings bindings,
ELContext context)
Determine whether ExpressionNode.setValue(Bindings, ELContext, Object) will throw a
PropertyNotWritableException . |
void |
setValue(Bindings bindings,
ELContext context,
Object value)
Assign value. |
String |
toString()
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从类 org.activiti.engine.impl.juel.AstNode 继承的方法 |
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getStructuralId, getValue |
从类 java.lang.Object 继承的方法 |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
构造方法详细信息 |
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public AstMethod(AstProperty property, AstParameters params)
方法详细信息 |
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public boolean isLiteralText()
true
if this node represents literal textpublic Class<?> getType(Bindings bindings, ELContext context)
ExpressionNode
复制的描述ExpressionNode.setValue(Bindings, ELContext, Object)
.
bindings
- bindings containing variables and functionscontext
- evaluation context
null
for non-lvalue nodespublic boolean isReadOnly(Bindings bindings, ELContext context)
ExpressionNode
复制的描述ExpressionNode.setValue(Bindings, ELContext, Object)
will throw a
PropertyNotWritableException
.
bindings
- bindings containing variables and functionscontext
- evaluation context
true
if this a read-only expression nodepublic void setValue(Bindings bindings, ELContext context, Object value)
ExpressionNode
复制的描述
bindings
- bindings containing variables and functionscontext
- evaluation contextvalue
- value to setpublic MethodInfo getMethodInfo(Bindings bindings, ELContext context, Class<?> returnType, Class<?>[] paramTypes)
ExpressionNode
复制的描述null
.
bindings
- bindings containing variables and functionscontext
- evaluation contextreturnType
- expected method return type (may be null
meaning don't care)paramTypes
- expected method argument types
null
public boolean isLeftValue()
true
if the subtree rooted at this node could be used as an lvalue
expression (identifier or property sequence with non-literal prefix).public boolean isMethodInvocation()
true
if the subtree rooted at this node is a method invocation.public final ValueReference getValueReference(Bindings bindings, ELContext context)
ExpressionNode
复制的描述
public void appendStructure(StringBuilder builder, Bindings bindings)
AstNode
中的 appendStructure
public Object eval(Bindings bindings, ELContext context)
AstNode
中的 eval
public Object invoke(Bindings bindings, ELContext context, Class<?> returnType, Class<?>[] paramTypes, Object[] paramValues)
ExpressionNode
复制的描述
bindings
- bindings containing variables and functionscontext
- evaluation contextreturnType
- expected method return type (may be null
meaning don't care)paramTypes
- expected method argument typesparamValues
- parameter values
public int getCardinality()
Node
复制的描述
public Node getChild(int i)
Node
复制的描述
public String toString()
Object
中的 toString
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上一个类 下一个类 | 框架 无框架 | |||||||||
摘要: 嵌套 | 字段 | 构造方法 | 方法 | 详细信息: 字段 | 构造方法 | 方法 |