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Oracle Fusion Middleware Java API for Oracle WebLogic Portal 10g Release 3 (10.3.2) E14255-01 |
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java.lang.Object
com.bea.p13n.expression.internal.ComplexExpressionImpl
com.bea.p13n.expression.operator.Operator
com.bea.p13n.expression.operator.ClassForName
public final class ClassForName
Implementation of the ClassForName operator. Returns an newly constructed object by invoking a specified constructor.
Input 1: A String object (or expression that evaluates to a String) that defines the class name for the Class instance to be retrieved.
Returns: A Class instance for the named class.
Field Summary |
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Fields inherited from interface com.bea.p13n.expression.operator.UnaryOperator |
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UNARY_OPERAND_INDEX |
Fields inherited from interface com.bea.p13n.expression.ExpressionEvents |
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EVENT_ADD_SUBEXPRESSION, EVENT_CLEAR_CACHE, EVENT_INTERNAL_MAX, EVENT_REMOVE_SUBEXPRESSION, EVENT_SET_CACHE_ENABLED, EVENT_SET_CACHED_VALUE, EVENT_SET_PARENT, EVENT_SET_SOURCE, EVENT_SET_SUBEXPRESSION, EVENT_SET_USER_DATA |
Constructor Summary | |
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ClassForName() Constructs an empty operator and operands can be added later by calling addSubExpression() on this. |
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ClassForName(Object name) Constructs this by associating the given name. |
Method Summary | |
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Object |
getOperand() Returns unary operand. |
Class[] |
getParameterSignature() Returns the parameter signature for this Expression . |
Methods inherited from class com.bea.p13n.expression.operator.Operator |
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leftHandSide, operand, rightHandSide |
Methods inherited from class com.bea.p13n.expression.internal.ComplexExpressionImpl |
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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 |
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finalize, getClass, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public ClassForName()
public ClassForName(Object name)
name
- A string object (or an expression that evaluates to a string), this string defines the name of the class to be loaded.Method Detail |
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public Class[] getParameterSignature()
Expression
Expression
. Because the sub-expressions within the Expression
are typically arguments or operands, some type validation is performed by examining the class types of the sub-expressions against the Expression
's parameter signature.getParameterSignature
in interface Expression
public Object getOperand()
UnaryOperator
getOperand
in interface UnaryOperator
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Oracle Fusion Middleware Java API for Oracle WebLogic Portal 10g Release 3 (10.3.2) E14255-01 |
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