com.bea.p13n.expression.operator
Class ClassNewInstance

java.lang.Object
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  +--com.bea.p13n.expression.internal.ComplexExpressionImpl
        |
        +--com.bea.p13n.expression.operator.Operator
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              +--com.bea.p13n.expression.operator.ClassNewInstance

public final class ClassNewInstance

extends Operator

Implementation of the ClassNewInstance operator. Returns an newly constructed object by invoking a specified constructor.
Input 1: A Class object (or expression that evaluates to a Class) that defines the Class that should be created.
Input 2: A Class[] (or expression that evaluates to a Class[]) that defines the signature of the constructor that should be invoked. If input 2 is null the operator will attempt to deduce the constructor to call from the arguments (input 3).
Input 3: A Object[] (or expression that evaluates to a Object[]) that contains the arguments that should be passed to the constructor.
Returns: A new instance of the class, instantiated with the constructor of the provided signature using the supplied arguments..

See Also:

Serialized Form

Constructor Summary

ClassNewInstance()
Constructs an empty operator and operands can be added later by calling addSubExpression() on this.

ClassNewInstance(java.lang.Object clazz, java.lang.Object constructorSignature, java.lang.Object args)
Constructs this with the given clazz, constructorSignature

Method Summary

java.lang.Class[]

getParameterSignature()

Methods inherited from class com.bea.p13n.expression.operator.Operator

leftHandSide, operand, rightHandSide

Methods inherited from class com.bea.p13n.expression.internal.ComplexExpressionImpl

addListener, addSubExpression, clearCache, clone, createProxyExpression, equals, getCachedValue, getParent, getSource, getSubExpression, getSubExpressionCount, getUserData, hashCode, isCached, isCacheEnabled, isEqualitySubExpression, notifyListeners, removeAllSubExpressions, removeListener, removeSubExpression, removeSubExpression, setCachedValue, setCacheEnabled, setParent, setSource, setSubExpression, setUserData, toString, write

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

ClassNewInstance

public ClassNewInstance()

Constructs an empty operator and operands can be added later by calling addSubExpression() on this.

ClassNewInstance

public ClassNewInstance(java.lang.Object clazz,
                        java.lang.Object constructorSignature,
                        java.lang.Object args)

Constructs this with the given clazz, constructorSignatureargs parameters.

Parameters:

clazz - The Class whose instance has to be created.

constructorSignature - The parameter signature of a constructor that will be used to create an instance of clazz.

args - The arguments to be passed to the constructor.

Method Detail

getParameterSignature

public java.lang.Class[] getParameterSignature()

Overrides:

getParameterSignature in class com.bea.p13n.expression.internal.ComplexExpressionImpl