org.richfaces.cdk.templatecompiler.el.node
Class AbstractBinaryOperationTreeNode

java.lang.Object
  org.richfaces.cdk.templatecompiler.el.node.AbstractTreeNode
      org.richfaces.cdk.templatecompiler.el.node.AbstractBinaryOperationTreeNode

All Implemented Interfaces:

ITreeNode

Direct Known Subclasses:

BinaryArithmeticIntegerOperationTreeNode, BinaryArithmeticOperationTreeNode, BinaryBooleanOperationTreeNode, BinaryBooleanResultOperationTreeNode

public abstract class AbstractBinaryOperationTreeNode
extends AbstractTreeNode

Abstract class for all binary (having two operands) operation expression nodes

For operands A and B and operator x output is (A x B)

Author:

Nick Belaevski

Constructor Summary

AbstractBinaryOperationTreeNode(org.jboss.el.parser.Node node, java.lang.String operatorString)

Method Summary

protected abstract java.lang.String	getCoercedChildOutput(int childIndex, ELVisitor visitor)
protected abstract ELType	getOperationType(ELType firstArgumentType, ELType secondArgumentType)
void	visit(java.lang.StringBuilder sb, ELVisitor visitor) Return child of wrapped node by specified index.

Methods inherited from class org.richfaces.cdk.templatecompiler.el.node.AbstractTreeNode

coerceToBoolean, getChild, getChildOutput, getChildrenCount, getNode

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractBinaryOperationTreeNode

public AbstractBinaryOperationTreeNode(org.jboss.el.parser.Node node,
                                       java.lang.String operatorString)

Method Detail

getOperationType

protected abstract ELType getOperationType(ELType firstArgumentType,
                                           ELType secondArgumentType)

getCoercedChildOutput

protected abstract java.lang.String getCoercedChildOutput(int childIndex,
                                                          ELVisitor visitor)
                                                   throws ParsingException

Throws:

ParsingException

visit

public void visit(java.lang.StringBuilder sb,
                  ELVisitor visitor)
           throws ParsingException

Description copied from class: AbstractTreeNode

Return child of wrapped node by specified index. Abstract operation to override in subclasses.

Specified by:

visit in interface ITreeNode

Specified by:

visit in class AbstractTreeNode

visitor - - ELVisitor

Throws:

ParsingException - - if error occurred(child not found).