bboss.org.apache.velocity.runtime.parser.node

类 ASTAddNode

java.lang.Object

bboss.org.apache.velocity.runtime.parser.node.SimpleNode

bboss.org.apache.velocity.runtime.parser.node.ASTMathNode

bboss.org.apache.velocity.runtime.parser.node.ASTAddNode

所有已实现的接口:

Node, Renderable

public class ASTAddNode
extends ASTMathNode

Handles number addition of nodes.

Please look at the Parser.jjt file which is what controls the generation of this class.

字段概要

从类继承的字段 bboss.org.apache.velocity.runtime.parser.node.ASTMathNode

strictMode

从类继承的字段 bboss.org.apache.velocity.runtime.parser.node.SimpleNode

children, first, id, info, invalid, last, log, parent, parser, rsvc, state, templateName

构造器概要

构造器

构造器和说明
ASTAddNode(int id)
ASTAddNode(Parser p, int id)

方法概要

限定符和类型	方法和说明
protected java.lang.Object	handleSpecial(java.lang.Object left, java.lang.Object right, InternalContextAdapter context) Extension hook to allow special behavior by subclasses If this method returns a non-null value, that is returned, rather than the result of the math operation.
java.lang.Number	perform(java.lang.Number left, java.lang.Number right, InternalContextAdapter context) Performs the math operation represented by this node.

从类继承的方法 bboss.org.apache.velocity.runtime.parser.node.ASTMathNode

init, jjtAccept, value

从类继承的方法 bboss.org.apache.velocity.runtime.parser.node.SimpleNode

childrenAccept, dump, evaluate, execute, getChildren, getColumn, getFirstToken, getInfo, getLastToken, getLine, getLocation, getRuntimeServices, getTemplateName, getType, isInvalid, jjtAddChild, jjtClose, jjtGetChild, jjtGetNumChildren, jjtGetParent, jjtOpen, jjtSetParent, literal, render, setFirstToken, setInfo, setInvalid, toString, toString

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

构造器详细资料

ASTAddNode

public ASTAddNode(int id)

参数:

id -

ASTAddNode

public ASTAddNode(Parser p,
                  int id)

参数:

p -

id -

方法详细资料

handleSpecial

protected java.lang.Object handleSpecial(java.lang.Object left,
                                         java.lang.Object right,
                                         InternalContextAdapter context)

从类复制的说明: ASTMathNode

Extension hook to allow special behavior by subclasses If this method returns a non-null value, that is returned, rather than the result of the math operation.

覆盖:

handleSpecial 在类中 ASTMathNode

另请参阅:

handleSpecial(java.lang.Object, java.lang.Object, bboss.org.apache.velocity.context.InternalContextAdapter)

perform

public java.lang.Number perform(java.lang.Number left,
                                java.lang.Number right,
                                InternalContextAdapter context)

从类复制的说明: ASTMathNode

Performs the math operation represented by this node.

指定者:

perform 在类中 ASTMathNode