public class ExpressionBuilder extends Object
| Modifier and Type | Field and Description |
|---|---|
static String |
PROPERTY_UNARY_HIGH_PRECEDENCE
Property name for unary precedence choice.
|
| Constructor and Description |
|---|
ExpressionBuilder(String expression)
Create a new ExpressionBuilder
|
| Modifier and Type | Method and Description |
|---|---|
Calculable |
build()
build a new
Calculable from the expression using the supplied variables |
ExpressionBuilder |
withCustomFunction(CustomFunction function)
add a custom function instance for the evaluator to recognize
|
ExpressionBuilder |
withCustomFunctions(Collection<CustomFunction> functions) |
ExpressionBuilder |
withExpression(String expression)
set the mathematical expression for parsing
|
ExpressionBuilder |
withOperation(CustomOperator operation)
set a
CustomOperator to be used in the expression |
ExpressionBuilder |
withOperations(Collection<CustomOperator> operations)
set a
Collection of CustomOperator to use in the expression |
ExpressionBuilder |
withVariable(String variableName,
double value)
set the value for a variable
|
ExpressionBuilder |
withVariableNames(String... variableNames)
set the variables names used in the expression without setting their values
|
ExpressionBuilder |
withVariables(Map<String,Double> variableMap)
set the values for variables
|
public static final String PROPERTY_UNARY_HIGH_PRECEDENCE
public ExpressionBuilder(String expression)
expression - the expression to evaluatepublic Calculable build() throws UnknownFunctionException, UnparsableExpressionException
Calculable from the expression using the supplied variablesCalculable which can be used to evaluate the expressionUnknownFunctionException - when an unrecognized function name is used in the expressionUnparsableExpressionException - if the expression could not be parsedpublic ExpressionBuilder withCustomFunction(CustomFunction function)
function - the CustomFunction to addExpressionBuilder instancepublic ExpressionBuilder withCustomFunctions(Collection<CustomFunction> functions)
public ExpressionBuilder withVariable(String variableName, double value)
variableName - the variable name e.g. "x"value - the value e.g. 2.32dExpressionBuilder instancepublic ExpressionBuilder withVariableNames(String... variableNames)
variableNames - vararg String of the variable names used in the expressionpublic ExpressionBuilder withVariables(Map<String,Double> variableMap)
variableMap - a map of variable names to variable valuesExpressionBuilder instancepublic ExpressionBuilder withOperation(CustomOperator operation)
CustomOperator to be used in the expressionoperation - the CustomOperator to be usedExpressionBuilder instancepublic ExpressionBuilder withOperations(Collection<CustomOperator> operations)
Collection of CustomOperator to use in the expressionoperations - the Collection of CustomOperator to useExpressionBuilder instancepublic ExpressionBuilder withExpression(String expression)
expression - a mathematical expressionExpressionBuilder instanceCopyright © 2013. All Rights Reserved.