org.activiti.engine.impl.juel
类 AstUnary

java.lang.Object
  继承者 org.activiti.engine.impl.juel.AstNode
      继承者 org.activiti.engine.impl.juel.AstRightValue
          继承者 org.activiti.engine.impl.juel.AstUnary
所有已实现的接口:
ExpressionNode, Node

public class AstUnary
extends AstRightValue


嵌套类摘要
static interface AstUnary.Operator
           
static class AstUnary.SimpleOperator
           
 
字段摘要
static AstUnary.Operator EMPTY
           
static AstUnary.Operator NEG
           
static AstUnary.Operator NOT
           
 
构造方法摘要
AstUnary(AstNode child, AstUnary.Operator operator)
           
 
方法摘要
 void appendStructure(StringBuilder b, Bindings bindings)
           
 Object eval(Bindings bindings, ELContext context)
           
 int getCardinality()
          Get the node's number of children.
 AstNode getChild(int i)
          Get i'th child
 AstUnary.Operator getOperator()
           
 String toString()
           
 
从类 org.activiti.engine.impl.juel.AstRightValue 继承的方法
getMethodInfo, getType, getValueReference, invoke, isLeftValue, isLiteralText, isMethodInvocation, isReadOnly, setValue
 
从类 org.activiti.engine.impl.juel.AstNode 继承的方法
getStructuralId, getValue
 
从类 java.lang.Object 继承的方法
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

字段详细信息

EMPTY

public static final AstUnary.Operator EMPTY

NEG

public static final AstUnary.Operator NEG

NOT

public static final AstUnary.Operator NOT
构造方法详细信息

AstUnary

public AstUnary(AstNode child,
                AstUnary.Operator operator)
方法详细信息

getOperator

public AstUnary.Operator getOperator()

eval

public Object eval(Bindings bindings,
                   ELContext context)
            throws ELException
指定者:
AstNode 中的 eval
抛出:
ELException

toString

public String toString()
覆盖:
Object 中的 toString

appendStructure

public void appendStructure(StringBuilder b,
                            Bindings bindings)
指定者:
AstNode 中的 appendStructure

getCardinality

public int getCardinality()
从接口 Node 复制的描述
Get the node's number of children.


getChild

public AstNode getChild(int i)
从接口 Node 复制的描述
Get i'th child



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