com.bea.p13n.expression.operator.logical
Class LogicalMultiAnd

java.lang.Object
  com.bea.p13n.expression.internal.ComplexExpressionImpl
      com.bea.p13n.expression.operator.Operator
          com.bea.p13n.expression.operator.logical.LogicalOperator
              com.bea.p13n.expression.operator.logical.LogicalMultiAnd

All Implemented Interfaces

Expression, com.bea.p13n.expression.ExpressionEvents, Serializable, Cloneable

public final class LogicalMultiAnd
extends LogicalOperator

Implementation of the LogicalMultiAnd operator. This operator allows an array of operands to be ANDed together. Each operand should either be a Boolean or an Expression which evaluates to a Boolean.
Input 1-N: A Boolean (or Expression returning a Boolean).
Returns: A Boolean( IN(1) && IN(2) && IN(3) etc. ).

See Also

Serialized Form

Field Summary

Fields inherited from class com.bea.p13n.expression.operator.logical.LogicalOperator

BINARY_PARAMETER_SIGNATURE, UNARY_PARAMETER_SIGNATURE

Fields inherited from interface com.bea.p13n.expression.ExpressionEvents

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

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

LogicalMultiAnd(Object[] andArray)
Constructs a LogicalMultiAnd operator by storing the given array of parameters as its operands.

Method Summary

Class[]

getParameterSignature() Returns the parameter signature for this Expression.

Methods inherited from class com.bea.p13n.expression.operator.logical.LogicalOperator

updateParameterSignature

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

LogicalMultiAnd

public LogicalMultiAnd()

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

LogicalMultiAnd

public LogicalMultiAnd(Object[] andArray)

Constructs a LogicalMultiAnd operator by storing the given array of parameters as its operands.

Parameters

andArray - An Object array.

Method Detail

getParameterSignature

public Class[] getParameterSignature()

Description copied from interface: Expression

Returns the parameter signature for this 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.
The tests that are performed are:
1. The number of sub-expressions must equals the number of parameter entries.
2. The class type of any sub-expression (or the result of evaluating the sub-expresssion) must equal the class type of the corresponding parameter entry.
3. Any null parameter entries are ignored and are considered optional sub-expressions.

Returns

the Class array containing the parameter signature.