Package org.projog.clp
Enum ExpressionResult
- java.lang.Object
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- java.lang.Enum<ExpressionResult>
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- org.projog.clp.ExpressionResult
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- All Implemented Interfaces:
java.io.Serializable,java.lang.Comparable<ExpressionResult>
public enum ExpressionResult extends java.lang.Enum<ExpressionResult>
Indicates the outcome of attempting to restrict the possible values of an expression.- See Also:
Expression
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Constructor Summary
Constructors Modifier Constructor Description privateExpressionResult()
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static ExpressionResultvalueOf(java.lang.String name)Returns the enum constant of this type with the specified name.static ExpressionResult[]values()Returns an array containing the constants of this enum type, in the order they are declared.
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Enum Constant Detail
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VALID
public static final ExpressionResult VALID
The expression conforms to the given restriction.Example a) Given X has a minimum value of 4 and a maximum value of 7, this result would be returned when attempting to set the maximum value to 6.
Example b) Given X has a minimum value of 4 and a maximum value of 7, this result would be returned when attempting to set the maximum value to 8.
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INVALID
public static final ExpressionResult INVALID
Applying the restriction would leave the expression with no possible values.e.g. Given X has a minimum value of 4 and a maximum value of 7, this result would be returned when attempting to set the maximum value to 3.
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Method Detail
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values
public static ExpressionResult[] values()
Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:for (ExpressionResult c : ExpressionResult.values()) System.out.println(c);
- Returns:
- an array containing the constants of this enum type, in the order they are declared
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valueOf
public static ExpressionResult valueOf(java.lang.String name)
Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)- Parameters:
name- the name of the enum constant to be returned.- Returns:
- the enum constant with the specified name
- Throws:
java.lang.IllegalArgumentException- if this enum type has no constant with the specified namejava.lang.NullPointerException- if the argument is null
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