com.jscape.util.workflow
Class ConstantExpression
java.lang.Object
com.jscape.util.functor.UnaryFunction<ExpressionContext,java.lang.Object>
com.jscape.util.workflow.ConstantExpression
public class ConstantExpression
- extends com.jscape.util.functor.UnaryFunction<ExpressionContext,java.lang.Object>
Constant expression.
- Author:
- Alex
Nested classes/interfaces inherited from class com.jscape.util.functor.UnaryFunction |
com.jscape.util.functor.UnaryFunction.Chain<T,R,U>, com.jscape.util.functor.UnaryFunction.Constant<T,U>, com.jscape.util.functor.UnaryFunction.Evaluator<V,R> |
Methods inherited from class com.jscape.util.functor.UnaryFunction |
constant, then |
Methods inherited from class java.lang.Object |
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait |
ConstantExpression
public ConstantExpression(java.lang.Object value)
- Creates a new expression instance.
- Parameters:
value
- an expression value
ConstantExpression
public ConstantExpression()
- Creates a new expression instance.
getValue
public java.lang.Object getValue()
- Returns expression value.
- Returns:
- expression value
setValue
public void setValue(java.lang.Object value)
- Sets expression value.
- Parameters:
value
- the expression value
evaluate
public java.lang.Object evaluate(ExpressionContext context)
- Specified by:
evaluate
in class com.jscape.util.functor.UnaryFunction<ExpressionContext,java.lang.Object>
- Parameters:
context
- value
- Returns:
- R instance
toString
public java.lang.String toString()
- Overrides:
toString
in class java.lang.Object
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