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Java Variable类代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了Java中org.nfunk.jep.Variable的典型用法代码示例。如果您正苦于以下问题:Java Variable类的具体用法?Java Variable怎么用?Java Variable使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。



Variable类属于org.nfunk.jep包,在下文中一共展示了Variable类的20个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的Java代码示例。

示例1: set

import org.nfunk.jep.Variable; //导入依赖的package包/类
public void set(EvaluatorI pv, Node node, Object value) throws ParseException {
	Node lhsNode = node.jjtGetChild(0);

	if (!(lhsNode instanceof ASTVarNode))
		throw new ParseException("Ele: lhs must be a variable");
	ASTVarNode vn = (ASTVarNode) lhsNode;
	Variable var = vn.getVar();
	Object rhs = pv.eval(node.jjtGetChild(1));
	int index = -1;
	if (rhs instanceof Number) {
		index = ((Number) rhs).intValue() - 1;
	} else if (rhs instanceof Vector) {
		Vector vec = (Vector) rhs;
		if (vec.size() != 1)
			throw new ParseException("Ele: only single dimension arrays supported in JEP");
		index = ((Number) vec.firstElement()).intValue() - 1;
	} else
		throw new ParseException("Ele: rhs must be a number");
	Object oldVarVal = var.getValue();
	if (!(oldVarVal instanceof Vector))
		throw new ParseException("Ele: the value of the variable must be a Vector");
	Vector newVarVal = (Vector) ((Vector) oldVarVal).clone();
	newVarVal.set(index, value);
	var.setValue(newVarVal);
}
 
开发者ID:dynamo2,项目名称:tianma,代码行数:26,代码来源:Ele.java


示例2: invertComparison

import org.nfunk.jep.Variable; //导入依赖的package包/类
private void invertComparison(ComparisonAtom comparison) {
    if (logger.isInfoEnabled()) logger.info("Inverting comparison " + comparison.toString());
    String invertedOperator = DependencyUtility.invertOperator(comparison.getOperator());
    StringBuilder stringExpression = new StringBuilder();
    stringExpression.append(comparison.getLeftArgument());
    stringExpression.append(invertedOperator);
    stringExpression.append(comparison.getRightArgument());
    Expression newExpression = new Expression(stringExpression.toString());
    SymbolTable originalSymbolTable = comparison.getExpression().getJepExpression().getSymbolTable();
    for (Variable variable : originalSymbolTable.getVariables()) {
        newExpression.setVariableDescription(variable.getName(), variable.getDescription());
    }
    comparison.setOperator(invertedOperator);
    comparison.setExpression(newExpression);
    if (logger.isInfoEnabled()) logger.info("Inverted comparison " + comparison.toString());
}
 
开发者ID:dbunibas,项目名称:BART,代码行数:17,代码来源:GenerateVioGenQueries.java


示例3: replaceVariableInExpression

import org.nfunk.jep.Variable; //导入依赖的package包/类
private Expression replaceVariableInExpression(Expression oldExpression, Map<Integer, SetAlias> variableRenamings) {
    if (logger.isDebugEnabled()) logger.debug("Replacing paths in expression: " + oldExpression);
    Expression expression = oldExpression.clone();
    JEP jepExpression = expression.getJepExpression();
    SymbolTable symbolTable = jepExpression.getSymbolTable();
    for (Variable variable : symbolTable.getVariables()) {
        VariablePathExpression oldDescription = (VariablePathExpression) variable.getDescription();
        SetAlias newVariable = variableRenamings.get(oldDescription.getStartingVariable().getId());
        if (newVariable != null) {
            VariablePathExpression newDescription = new VariablePathExpression(oldDescription, newVariable);
            variable.setDescription(newDescription);
            variable.setOriginalDescription(newDescription.getAbsolutePath());
        }
    }
    if (logger.isDebugEnabled()) logger.debug("Resulting expression: " + expression);
    return expression;
}
 
开发者ID:dbunibas,项目名称:spicy,代码行数:18,代码来源:RenameSetAliasesUtility.java


示例4: checkSelectionCondition

import org.nfunk.jep.Variable; //导入依赖的package包/类
public void checkSelectionCondition(List<PathExpression> setPaths, Expression condition, INode root) throws ExpressionSyntaxException {
    if (condition == null) {
        throw new ExpressionSyntaxException("Transformation function cannot be null. Set path: " + setPaths);
    }
    StringBuilder errorMessage = new StringBuilder();
    JEP jepExpression = condition.getJepExpression();
    SymbolTable symbolTable = jepExpression.getSymbolTable();
    for (Variable variable : symbolTable.getVariables()) {
        String variableName = variable.getName();
        PathExpression variablePath = searchPathInSet(setPaths, variableName, root);
        if (variablePath == null) {
            errorMessage.append("Unable to find path for variable ").append(variableName).append("\n");
        } else {
            variable.setDescription(variablePath);
            variable.setOriginalDescription(variablePath);
        }
    }
    if (errorMessage.length() != 0) {
        throw new ExpressionSyntaxException(errorMessage.toString());
    }
}
 
开发者ID:dbunibas,项目名称:spicy,代码行数:22,代码来源:CheckExpressions.java


示例5: checkExpression

import org.nfunk.jep.Variable; //导入依赖的package包/类
public void checkExpression(List<PathExpression> sourcePaths, Expression expression) throws ExpressionSyntaxException {
    if (expression == null) {
        throw new ExpressionSyntaxException("Transformation function cannot be null. Source paths: " + sourcePaths);
    }
    StringBuilder errorMessage = new StringBuilder();
    JEP jepExpression = expression.getJepExpression();
    SymbolTable symbolTable = jepExpression.getSymbolTable();
    for (Variable variable : symbolTable.getVariables()) {
        String variableName = variable.getName();
        PathExpression variablePath = searchPath(sourcePaths, variableName);
        if (variablePath == null) {
            errorMessage.append("Unable to find path for variable ").append(variableName).append("\n");
        } else {
            variable.setDescription(variablePath);
            variable.setOriginalDescription(variablePath);
        }
    }
    if (errorMessage.length() != 0) {
        throw new ExpressionSyntaxException(errorMessage.toString());
    }
}
 
开发者ID:dbunibas,项目名称:spicy,代码行数:22,代码来源:CheckExpressions.java


示例6: replaceVariablesInExpression

import org.nfunk.jep.Variable; //导入依赖的package包/类
private List<PathExpression> replaceVariablesInExpression(Expression expression, ParserTGD parserTgd) {
    if (logger.isDebugEnabled()) logger.debug("Replacing paths in expression: " + expression);
    List<PathExpression> pathList = new ArrayList<PathExpression>();
    JEP jepExpression = expression.getJepExpression();
    SymbolTable symbolTable = jepExpression.getSymbolTable();
    for (Variable variable : symbolTable.getVariables()) {
        String formulaVariable = (String) variable.getDescription();
        PathExpression variablePath = findVariablePath(formulaVariable, parserTgd);
        pathList.add(variablePath);
        variable.setDescription(variablePath);
        variable.setOriginalDescription(variablePath);
    }
    if (logger.isDebugEnabled()) logger.debug("Resulting expression: " + expression);
    return pathList;
}
 
开发者ID:dbunibas,项目名称:spicy,代码行数:16,代码来源:ParseMappingTask.java


示例7: generateConditionForPath

import org.nfunk.jep.Variable; //导入依赖的package包/类
private VariableSelectionCondition generateConditionForPath(VariablePathExpression pathInCombination, String functionName) throws ExpressionSyntaxException {
//        VariablePathExpression setPath = pathInCombination.getStartingVariable().getBindingPathExpression();
//        Expression condition = new Expression(functionName + "(" + pathInCombination + ")");
//        VariableSelectionCondition conditionForPath = new VariableSelectionCondition(setPath, condition);
        Expression condition = new Expression(functionName + "(" + pathInCombination + ")");
        VariableSelectionCondition conditionForPath = new VariableSelectionCondition(condition);
        JEP jepExpression = condition.getJepExpression();
        SymbolTable symbolTable = jepExpression.getSymbolTable();
        Variable variable = symbolTable.getVariables().get(0);
        variable.setDescription(pathInCombination);
        variable.setOriginalDescription(pathInCombination.getAbsolutePath());
        return conditionForPath;
    }
 
开发者ID:dbunibas,项目名称:spicy,代码行数:14,代码来源:RewriteTgdsToHandleSourceNulls.java


示例8: setVariableDescriptions

import org.nfunk.jep.Variable; //导入依赖的package包/类
public boolean setVariableDescriptions(Expression expression, List<List<FormulaVariable>> variables) {
        JEP jepExpression = expression.getJepExpression();
        SymbolTable symbolTable = jepExpression.getSymbolTable();
        List<FormulaVariable> formulaVariables = new ArrayList<FormulaVariable>();
        for (Variable variable : symbolTable.getVariables()) {
//            VariablePathExpression variablePath = (VariablePathExpression) variable.getDescription();
            String pathString = variable.getDescription().toString();
            FormulaVariable formulaVariable = findVariableForString(pathString, variables);
            variable.setDescription(formulaVariable);
            if (!formulaVariables.contains(formulaVariable)) {
                formulaVariables.add(formulaVariable);
            }
        }
        return formulaVariables.size() > 1;
    }
 
开发者ID:dbunibas,项目名称:spicy,代码行数:16,代码来源:TGDToLogicalStringUtility.java


示例9: getAttributePaths

import org.nfunk.jep.Variable; //导入依赖的package包/类
public List<VariablePathExpression> getAttributePaths() {
    List<VariablePathExpression> attributePaths = new ArrayList<VariablePathExpression>();
    SymbolTable symbolTable = jepExpression.getSymbolTable();
    for (Variable jepVariable : symbolTable.getVariables()) {
        if (!attributePaths.contains(jepVariable.getDescription())) {
            attributePaths.add((VariablePathExpression) jepVariable.getDescription());
        }
    }
    return attributePaths;
}
 
开发者ID:dbunibas,项目名称:spicy,代码行数:11,代码来源:Expression.java


示例10: containsAllVariables

import org.nfunk.jep.Variable; //导入依赖的package包/类
private boolean containsAllVariables(SimpleConjunctiveQuery view, Expression filter, INode root) {
    JEP jepExpression = filter.getJepExpression();
    SymbolTable symbolTable = jepExpression.getSymbolTable();
    for (org.nfunk.jep.Variable jepVariable : symbolTable.getVariables()) {
        String variableName = jepVariable.getName();
        PathExpression attributePath = searchPathInView(view, variableName, root);
        if (attributePath == null) {
            return false;
        } else {
            jepVariable.setDescription(attributePath);
            jepVariable.setOriginalDescription(attributePath);
        }
    }
    return true;
}
 
开发者ID:dbunibas,项目名称:spicy,代码行数:16,代码来源:CheckExpressions.java


示例11: findAliasesInVariableExpression

import org.nfunk.jep.Variable; //导入依赖的package包/类
public List<SetAlias> findAliasesInVariableExpression(Expression expression) {
    List<SetAlias> result = new ArrayList<SetAlias>();
    JEP jepExpression = expression.getJepExpression();
    SymbolTable symbolTable = jepExpression.getSymbolTable();
    for (Variable variable : symbolTable.getVariables()) {
        VariablePathExpression variablePath = (VariablePathExpression) variable.getDescription();
        SetAlias setVariable = variablePath.getStartingVariable();
        if (!result.contains(setVariable)) {
            result.add(setVariable);
        }
    }
    return result;
}
 
开发者ID:dbunibas,项目名称:spicy,代码行数:14,代码来源:ContextualizePaths.java


示例12: replacePathsInExpression

import org.nfunk.jep.Variable; //导入依赖的package包/类
private void replacePathsInExpression(Expression expression, IDataSourceProxy dataSource) {
    if (logger.isDebugEnabled()) logger.debug("Replacing paths in expression: " + expression);
    JEP jepExpression = expression.getJepExpression();
    SymbolTable symbolTable = jepExpression.getSymbolTable();
    for (Variable variable : symbolTable.getVariables()) {
        PathExpression variableAbsolutePath = (PathExpression) variable.getDescription();
        VariablePathExpression variableRelativePath = generateRelativePath(variableAbsolutePath, dataSource);
        variable.setDescription(variableRelativePath);
        variable.setOriginalDescription(variableAbsolutePath);
    }
    if (logger.isDebugEnabled()) logger.debug("Resulting expression: " + expression);
}
 
开发者ID:dbunibas,项目名称:spicy,代码行数:13,代码来源:ContextualizePaths.java


示例13: set

import org.nfunk.jep.Variable; //导入依赖的package包/类
public void set(EvaluatorI pv, Node node, Object value)
		throws ParseException {
	Node lhsNode = node.jjtGetChild(0);

	if(!(lhsNode instanceof ASTVarNode))
		throw new ParseException("Ele: lhs must be a variable");
	ASTVarNode vn = (ASTVarNode) lhsNode;
	Variable var = pv.getSymbolTable().getVar(vn.getVarName());
	Object rhs = pv.eval(node.jjtGetChild(1));
	int index=-1;
	if(rhs instanceof Number)
	{
		index=((Number) rhs).intValue()-1;
	}
	else if(rhs instanceof Vector)
	{
		Vector vec = (Vector) rhs;
		if(vec.size()!=1) throw new ParseException("Ele: only single dimension arrays supported in JEP");
		index = ((Number) vec.firstElement()).intValue()-1;
	}
	else throw new ParseException("Ele: rhs must be a number");
	Object oldVarVal = var.getValue();
	if(!(oldVarVal instanceof Vector))
		throw new ParseException("Ele: the value of the variable must be a Vector");
	Vector newVarVal = (Vector) ((Vector) oldVarVal).clone();
	newVarVal.set(index,value);
	var.setValue(newVarVal);
}
 
开发者ID:dbunibas,项目名称:spicy,代码行数:29,代码来源:Ele.java


示例14: testClone1

import org.nfunk.jep.Variable; //导入依赖的package包/类
public void testClone1() {
    JEP jepExpression = new JEP();
    jepExpression.setAllowUndeclared(true);
    jepExpression.addStandardConstants();
    jepExpression.addStandardFunctions();

    jepExpression.parseExpression("(a + 1) * (b - 3)");
    System.out.println("JEP: " + jepExpression);
    System.out.println(jepExpression.getTopNode().toLongString());
    System.out.println("Errori: " + jepExpression.getErrorInfo());
    Variable a = jepExpression.getVar("a");
    Variable b = jepExpression.getVar("b");
    jepExpression.setVarValue("a", 1);
    jepExpression.setVarValue("b", 2);
    System.out.println("Value: " + jepExpression.getValueAsObject());

    JEP clone = (JEP) jepExpression.clone();
    Variable aClone = clone.getVar("a");
    aClone.setDescription("a.a");
    Variable bClone = clone.getVar("b");
    bClone.setDescription("b.b");
    System.out.println(clone.getTopNode().toLongString());
    clone.setVarValue("a", 10);
    clone.setVarValue("b", 30);

    System.out.println("Value originale: " + jepExpression.getValueAsObject());
    System.out.println("Value clone: " + clone.getValueAsObject());

    System.out.println("Variable a originale: " + a.toString() + " - " + a.hashCode());
    System.out.println("Variable a clone: " + aClone.toString() + " - " + aClone.hashCode());

    System.out.println("Variable b originale: " + b.toString() + " - " + b.hashCode());
    System.out.println("Variable b clone: " + bClone.toString() + " - " + bClone.hashCode());

    System.out.println("Symbol table: " + jepExpression.getSymbolTable() + " - " + jepExpression.getSymbolTable().hashCode());
    System.out.println("Symbol table clone: " + clone.getSymbolTable() + " - " + clone.getSymbolTable().hashCode());
}
 
开发者ID:dbunibas,项目名称:spicy,代码行数:38,代码来源:TestExpressions.java


示例15: testClone2

import org.nfunk.jep.Variable; //导入依赖的package包/类
public void testClone2() {
    JEP jepExpression = new JEP();
    jepExpression.setAllowUndeclared(true);
    jepExpression.addStandardConstants();
    jepExpression.addStandardFunctions();

    jepExpression.parseExpression("log(a) + sin(b)");
    System.out.println("JEP: " + jepExpression);
    System.out.println(jepExpression.getTopNode().toLongString());
    Variable a = jepExpression.getVar("a");
    Variable b = jepExpression.getVar("b");
    jepExpression.setVarValue("a", 1);
    jepExpression.setVarValue("b", 2);
    System.out.println("Value: " + jepExpression.getValueAsObject());

    JEP clone = (JEP) jepExpression.clone();
    Variable aClone = clone.getVar("a");
    aClone.setDescription("a.a");
    Variable bClone = clone.getVar("b");
    bClone.setDescription("b.b");
    System.out.println(clone.getTopNode().toLongString());
    clone.setVarValue("a", 10);
    clone.setVarValue("b", 30);

    System.out.println("Value originale: " + jepExpression.getValueAsObject());
    System.out.println("Value clone: " + clone.getValueAsObject());

    System.out.println("Variable a originale: " + a.toString() + " - " + a.hashCode());
    System.out.println("Variable a clone: " + aClone.toString() + " - " + aClone.hashCode());

    System.out.println("Variable b originale: " + b.toString() + " - " + b.hashCode());
    System.out.println("Variable b clone: " + bClone.toString() + " - " + bClone.hashCode());

    System.out.println("Symbol table: " + jepExpression.getSymbolTable() + " - " + jepExpression.getSymbolTable().hashCode());
    System.out.println("Symbol table clone: " + clone.getSymbolTable() + " - " + clone.getSymbolTable().hashCode());
}
 
开发者ID:dbunibas,项目名称:spicy,代码行数:37,代码来源:TestExpressions.java


示例16: test4

import org.nfunk.jep.Variable; //导入依赖的package包/类
public void test4() {
        JEP jepExpression = new JEP();
        jepExpression.setAllowUndeclared(true);
        jepExpression.addStandardConstants();
        jepExpression.addStandardFunctions();
//        jepExpression.parseExpression("((paolo + marco + giovanni) * log(franco) ) == 1.0");
        jepExpression.parseExpression("( ( (paolo + marco + giovanni) * log(franco) ) == 1.0 ) && (!luigi)");
        System.out.println("JEP: " + jepExpression);

        Variable a = jepExpression.getVar("paolo");
        a.setDescription("v2.paolo");
        System.out.println("JEP: " + jepExpression);
    }
 
开发者ID:dbunibas,项目名称:spicy,代码行数:14,代码来源:TestExpressions.java


示例17: testClonazione1

import org.nfunk.jep.Variable; //导入依赖的package包/类
public void testClonazione1() {
    JEP jepExpression = new JEP();
    jepExpression.setAllowUndeclared(true);
    jepExpression.addStandardConstants();
    jepExpression.addStandardFunctions();

    jepExpression.parseExpression("(a + 1) * (b - 3)");
    System.out.println("JEP: " + jepExpression);
    System.out.println(jepExpression.getTopNode().toLongString());
    System.out.println("Errori: " + jepExpression.getErrorInfo());
    Variable a = jepExpression.getVar("a");
    Variable b = jepExpression.getVar("b");
    jepExpression.setVarValue("a", 1);
    jepExpression.setVarValue("b", 2);
    System.out.println("Value: " + jepExpression.getValueAsObject());

    JEP clone = (JEP) jepExpression.clone();
    Variable aClone = clone.getVar("a");
    aClone.setDescription("a.a");
    Variable bClone = clone.getVar("b");
    bClone.setDescription("b.b");
    System.out.println(clone.getTopNode().toLongString());
    clone.setVarValue("a", 10);
    clone.setVarValue("b", 30);

    System.out.println("Value originale: " + jepExpression.getValueAsObject());
    System.out.println("Value clone: " + clone.getValueAsObject());

    System.out.println("Variable a originale: " + a.toString() + " - " + a.hashCode());
    System.out.println("Variable a clone: " + aClone.toString() + " - " + aClone.hashCode());

    System.out.println("Variable b originale: " + b.toString() + " - " + b.hashCode());
    System.out.println("Variable b clone: " + bClone.toString() + " - " + bClone.hashCode());

    System.out.println("Symbol table: " + jepExpression.getSymbolTable() + " - " + jepExpression.getSymbolTable().hashCode());
    System.out.println("Symbol table clone: " + clone.getSymbolTable() + " - " + clone.getSymbolTable().hashCode());
}
 
开发者ID:donatellosantoro,项目名称:Llunatic,代码行数:38,代码来源:TestEspressioni.java


示例18: testClonazione2

import org.nfunk.jep.Variable; //导入依赖的package包/类
public void testClonazione2() {
    JEP jepExpression = new JEP();
    jepExpression.setAllowUndeclared(true);
    jepExpression.addStandardConstants();
    jepExpression.addStandardFunctions();

    jepExpression.parseExpression("log(a) + sin(b)");
    System.out.println("JEP: " + jepExpression);
    System.out.println(jepExpression.getTopNode().toLongString());
    Variable a = jepExpression.getVar("a");
    Variable b = jepExpression.getVar("b");
    jepExpression.setVarValue("a", 1);
    jepExpression.setVarValue("b", 2);
    System.out.println("Value: " + jepExpression.getValueAsObject());

    JEP clone = (JEP) jepExpression.clone();
    Variable aClone = clone.getVar("a");
    aClone.setDescription("a.a");
    Variable bClone = clone.getVar("b");
    bClone.setDescription("b.b");
    System.out.println(clone.getTopNode().toLongString());
    clone.setVarValue("a", 10);
    clone.setVarValue("b", 30);

    System.out.println("Value originale: " + jepExpression.getValueAsObject());
    System.out.println("Value clone: " + clone.getValueAsObject());

    System.out.println("Variable a originale: " + a.toString() + " - " + a.hashCode());
    System.out.println("Variable a clone: " + aClone.toString() + " - " + aClone.hashCode());

    System.out.println("Variable b originale: " + b.toString() + " - " + b.hashCode());
    System.out.println("Variable b clone: " + bClone.toString() + " - " + bClone.hashCode());

    System.out.println("Symbol table: " + jepExpression.getSymbolTable() + " - " + jepExpression.getSymbolTable().hashCode());
    System.out.println("Symbol table clone: " + clone.getSymbolTable() + " - " + clone.getSymbolTable().hashCode());
}
 
开发者ID:donatellosantoro,项目名称:Llunatic,代码行数:37,代码来源:TestEspressioni.java


示例19: set

import org.nfunk.jep.Variable; //导入依赖的package包/类
public void set(EvaluatorI pv, Node node, Object value)
		throws ParseException {
	Node lhsNode = node.jjtGetChild(0);

	if(!(lhsNode instanceof ASTVarNode))
		throw new ParseException("Ele: lhs must be a variable");
	ASTVarNode vn = (ASTVarNode) lhsNode;
	Variable var = vn.getVar();
	Object rhs = pv.eval(node.jjtGetChild(1));
	int index=-1;
	if(rhs instanceof Number)
	{
		index=((Number) rhs).intValue()-1;
	}
	else if(rhs instanceof Vector)
	{
		Vector vec = (Vector) rhs;
		if(vec.size()!=1) throw new ParseException("Ele: only single dimension arrays supported in JEP");
		index = ((Number) vec.firstElement()).intValue()-1;
	}
	else throw new ParseException("Ele: rhs must be a number");
	Object oldVarVal = var.getValue();
	if(!(oldVarVal instanceof Vector))
		throw new ParseException("Ele: the value of the variable must be a Vector");
	Vector newVarVal = (Vector) ((Vector) oldVarVal).clone();
	newVarVal.set(index,value);
	var.setValue(newVarVal);
}
 
开发者ID:maths,项目名称:dragmath,代码行数:29,代码来源:Ele.java


示例20: createVariable

import org.nfunk.jep.Variable; //导入依赖的package包/类
/** Create a variable with a given value. */
public Variable createVariable(String name, Object value) {
	return new MatrixVariable(name, value);
}
 
开发者ID:dynamo2,项目名称:tianma,代码行数:5,代码来源:MatrixVariableFactory.java



注:本文中的org.nfunk.jep.Variable类示例整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。


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