Java RealValue类代码示例

import net.ssehub.easy.varModel.model.values.RealValue; //导入依赖的package包/类
/**
 * Returns the value of a double compound slot.
 * 
 * @param var the variable to look into (may be <b>null</b>)
 * @param name the name of the slot
 * @return the double value of the slot, <b>null</b> if there is no variable, no slot or no integer value in 
 *     the slot 
 */
public static final Double getDouble(IDecisionVariable var, String name) {
    Double result = null;
    if (null != var) {
        IDecisionVariable nested = var.getNestedElement(name);
        if (null != nested) {
            Value value = nested.getValue();
            if (value instanceof RealValue) {
                result = ((RealValue) value).getValue();
            } else if (value instanceof IntValue) {
                Integer tmp = ((IntValue) value).getValue();
                if (null != tmp) {
                    result = tmp.doubleValue();
                }
            }
        }
    }
    return result;
}
 

import net.ssehub.easy.varModel.model.values.RealValue; //导入依赖的package包/类
/**
 * Asserts equality between an expected double value and an actual evaluation accessor value.
 * Releases <code>actual</code>.
 * 
 * @param expected the expected value
 * @param actual the actual evaluation result
 */
static final void assertEquals(Double expected, EvaluationAccessor actual) {
    Value val;
    if (null != actual) {
        val = actual.getValue();
        actual.release();
    } else {
        val = null;
    }
    if (null != expected && val instanceof RealValue) {
        Assert.assertEquals(expected, ((RealValue) val).getValue());
    } else if (null == expected && null == val) {
        Assert.assertTrue(true); // useless, I know
    } else {
        Assert.fail("expected " + expected + " is not equal to " + val);
    }
}
 

import net.ssehub.easy.varModel.model.values.RealValue; //导入依赖的package包/类
/**
 * Implements the mixed int-real equality operation.
 * 
 * @param operand the operand
 * @param arguments the arguments
 * @param negate whether the result shall be negated
 * @return the comparison result, <b>null</b> if the operation cannot be applied
 */
static EvaluationAccessor equalsRealInt(EvaluationAccessor operand, EvaluationAccessor[] arguments, 
    boolean negate) {
    EvaluationAccessor result = null;
    if (arguments.length == 1) {
        Value oValue = operand.getValue();
        Value aValue = arguments[0].getValue();
        if (aValue instanceof IntValue) {
            if (oValue instanceof RealValue) {
                double op = ((RealValue) oValue).getValue();
                int arg = ((IntValue) aValue).getValue();
                boolean equals = ((int) op == arg);
                if (negate) {
                    equals = !equals;
                }
                result = ConstantAccessor.POOL.getInstance().bind(
                    BooleanValue.toBooleanValue(equals), operand.getContext());
            } else if (oValue == NullValue.INSTANCE) {
                result = ConstantAccessor.POOL.getInstance().bind(
                    BooleanValue.toBooleanValue(negate), operand.getContext());
            }
        }
    }
    return result;
}
 

import net.ssehub.easy.varModel.model.values.RealValue; //导入依赖的package包/类
/**
 * Implements the mixed int-real equality operation.
 * 
 * @param operand the operand
 * @param arguments the arguments
 * @param negate whether the result shall be negated
 * @return the comparison result, <b>null</b> if the operation cannot be applied
 */
static EvaluationAccessor equalsIntReal(EvaluationAccessor operand, EvaluationAccessor[] arguments, 
    boolean negate) {
    EvaluationAccessor result = null;
    if (arguments.length == 1) {
        Value oValue = operand.getValue();
        Value aValue = arguments[0].getValue();
        if (aValue instanceof RealValue) {
            if (oValue instanceof IntValue) {
                int op = ((IntValue) oValue).getValue();
                double arg = ((RealValue) aValue).getValue();
                boolean equals = (op == (int) arg);
                if (negate) {
                    equals = !equals;
                }
                result = ConstantAccessor.POOL.getInstance().bind(
                    BooleanValue.toBooleanValue(equals), operand.getContext());
            }
        }
    }
    return result;
}
 

import net.ssehub.easy.varModel.model.values.RealValue; //导入依赖的package包/类
@Override
public void visitRealValue(RealValue value) {
    if (this.visitingNonNested) {
        if (visitingConatinerValue) {
            this.value += value.getValue();
        } else {
            this.declaration += " = " + value.getValue();
        }
    } else if (visitingNested) {
        if (visitingConatinerValue) {
            this.value += value.getValue();
        } else {
            this.compDeclaration += " = " + value.getValue();
        }
    } else if (visitingConfiguration) {
        this.value += value.getValue();
    }      
}
 

import net.ssehub.easy.varModel.model.values.RealValue; //导入依赖的package包/类
/**
 * Returns the Integer value of a decision variable.
 * 
 * @param var the variable to return the Integer for
 * @return the value, only if <code>var</code> is not <b>null</b> and of type Integer
 */
public static Double getRealValue(IDecisionVariable var) {
    Double result = null;
    if (null != var) {
        Value value = var.getValue();
        if (value instanceof RealValue) {
            result = ((RealValue) value).getValue();
        }
    }
    return result;
}
 

import net.ssehub.easy.varModel.model.values.RealValue; //导入依赖的package包/类
@Override
public void visitRealValue(RealValue value) {
    Assert.assertTrue(decl.getValue() instanceof Double);
    Assert.assertNotNull(decl.getRealValue());
    Assert.assertTrue(decl.getRealValue().equals(decl.getValue()));
    Assert.assertEquals(value.getValue(), decl.getRealValue());
}
 

import net.ssehub.easy.varModel.model.values.RealValue; //导入依赖的package包/类
@Override
public void visitRealType(RealType type) {
    variableName.append(variable.getDeclaration().getName());
    RealValue realValue = (RealValue) variable.getValue();
    if (null != realValue) {
        values.add(new VelocityContextItem(variableName.toString(), realValue.getValue()));
    }
}
 

import net.ssehub.easy.varModel.model.values.RealValue; //导入依赖的package包/类
/**
 * Turns an evaluation <code>accessor</code> into its double value if possible.
 * 
 * @param accessor the accessor (may be <b>null</b> resulting in <b>null</b>)
 * @return the double value or <b>null</b> if the conversion is not possible
 */
private Double toDouble(EvaluationAccessor accessor) {
    Double result = null;
    if (null != accessor) {
        Value value = accessor.getValue();
        if (value instanceof IntValue) {
            result = ((IntValue) value).getValue().doubleValue();
        } else if (value instanceof RealValue) {
            result = ((RealValue) value).getValue();
        }
    }
    return result;
}
 

import net.ssehub.easy.varModel.model.values.RealValue; //导入依赖的package包/类
/**
 * setUp for all testCases.
 * @throws ValueDoesNotMatchTypeException should not occur
 */
@Before
public void setUp() throws ValueDoesNotMatchTypeException {
    project = new Project("Projekt");
    realDec = new DecisionVariableDeclaration("real", RealType.TYPE, project);
    value = 5.5;
    realV = (RealValue) ValueFactory.createValue(realDec.getType(), value);
}
 

import net.ssehub.easy.varModel.model.values.RealValue; //导入依赖的package包/类
/**
 * Test case to clone a realValue.
 * @throws ValueDoesNotMatchTypeException should not occur
 */
@Test
public void cloneReal() throws ValueDoesNotMatchTypeException {
    Double newValue = 1.8;
    realV.setValue(newValue);
    Assert.assertEquals(newValue, realV.getValue());
    
    RealValue clonedValue = (RealValue) realV.clone();
    Assert.assertEquals(realV.getValue(), clonedValue.getValue());
    Assert.assertNotSame(realV, clonedValue);
}
 

import net.ssehub.easy.varModel.model.values.RealValue; //导入依赖的package包/类
/**
 * tests the BasisDataTypes.
 * @throws ValueDoesNotMatchTypeException .
 */
@Test
public void basisDatatypeTest() throws ValueDoesNotMatchTypeException {
    
    //StringValue
    DecisionVariableDeclaration string = new DecisionVariableDeclaration("string", StringType.TYPE, project);
    StringValue strV = (StringValue) ValueFactory.createValue(string.getType(), "Hallo");
    Assert.assertTrue(strV.isConfigured());
    
    //IntValue
    DecisionVariableDeclaration integer = new DecisionVariableDeclaration("integer", IntegerType.TYPE, project);
    int intValue = 5;
    IntValue intV = (IntValue) ValueFactory.createValue(integer.getType(), intValue);
    Assert.assertTrue(intV.isConfigured());
    Assert.assertEquals(intValue, (int) intV.getValue());               
    
    //BoolVBalue
    DecisionVariableDeclaration booleanD = new DecisionVariableDeclaration("bool", BooleanType.TYPE, project);
    BooleanValue boolV = (BooleanValue) ValueFactory.createValue(booleanD.getType(), "true");
    Assert.assertTrue(boolV.isConfigured());
    
    //RealValue
    DecisionVariableDeclaration real = new DecisionVariableDeclaration("real", RealType.TYPE, project);
    RealValue realV = (RealValue) ValueFactory.createValue(real.getType(), "5.5");
    Assert.assertTrue(realV.isConfigured());        
    
    //RealValue initialized with a double instead of a string
    DecisionVariableDeclaration realOfDouble = new DecisionVariableDeclaration("real", RealType.TYPE, project);
    Double value = 5.5;
    RealValue realOfDoubleV = (RealValue) ValueFactory.createValue(realOfDouble.getType(), value);
    Assert.assertTrue(realOfDoubleV.isConfigured());
    Assert.assertEquals(value, realOfDoubleV.getValue());
            
}
 

import net.ssehub.easy.varModel.model.values.RealValue; //导入依赖的package包/类
public EvaluationAccessor evaluate(EvaluationAccessor operand, EvaluationAccessor[] arguments) {
    EvaluationAccessor result = null;
    Value value = operand.getValue();
    if (value instanceof RealValue) {
        double rValue = ((RealValue) value).getValue();
        try {
            Value iValue = ValueFactory.createValue(IntegerType.TYPE, (int) rValue);
            ConstantAccessor.POOL.getInstance().bind(iValue, operand.getContext());
        } catch (ValueDoesNotMatchTypeException e) {
            operand.getContext().addErrorMessage("toInt: " + e.getMessage());
        }
    }
    return result;
}
 

import net.ssehub.easy.varModel.model.values.RealValue; //导入依赖的package包/类
/**
 * Implements arithmetic operations of two integer variables/values.
 * @param operand the operand
 * @param arguments the arguments
 * @param roundUp If <tt>true</tt> this operation will round commercial (*.5 and higher will be round up), else
 *     numbers will be round down in any case.
 * @return The result of the arithmetic operation, <b>null</b> if the operation cannot be applied
 */
private static EvaluationAccessor round(EvaluationAccessor operand,
    EvaluationAccessor[] arguments, boolean roundUp) {
    
    EvaluationAccessor result = null;
    if (null == arguments || arguments.length == 0) {
        Value value = operand.getValue();
        
        if (value instanceof RealValue) {
            double op = ((Double) value.getValue()).doubleValue();
            
            // Handle greater range of doubles in relation to range of integer
            int resultOfOperation = Integer.MAX_VALUE;
            if (op >= Integer.MIN_VALUE && op <= Integer.MAX_VALUE) {
                resultOfOperation = (int) (roundUp ? Math.round(op) : Math.floor(op));
            } else if (op < Integer.MIN_VALUE) {
                resultOfOperation = Integer.MIN_VALUE;
            }
            
            // Create (result) value
            try {
                Value rValue = ValueFactory.createValue(IntegerType.TYPE, resultOfOperation);
                result = ConstantAccessor.POOL.getInstance().bind(rValue, operand.getContext());
            } catch (ValueDoesNotMatchTypeException e) {
                EASyLoggerFactory.INSTANCE.getLogger(GenericNumberOperations.class, Bundle.ID).exception(e);
            }
        }
    }
    
    return result;
}
 

import net.ssehub.easy.varModel.model.values.RealValue; //导入依赖的package包/类
@Override
public void visitRealValue(RealValue value) {
    Double val = value.getValue();
    if (null != val) {
        appendOutput(val.toString());
    }
}