Example usage for java.lang Number intValue

List of usage examples for java.lang Number intValue

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Introduction

In this page you can find the example usage for java.lang Number intValue.

Prototype

public abstract int intValue();

Source Link

Document

Returns the value of the specified number as an int .

Usage

From source file:NumberUtils.java

/**
 * Convert the given number into an instance of the given target class.
 *
 * @param number      the number to convert
 * @param targetClass the target class to convert to
 * @return the converted number/*from w  ww .j  a  v a  2  s  .  c  o m*/
 * @throws IllegalArgumentException if the target class is not supported
 *                                  (i.e. not a standard Number subclass as included in the JDK)
 * @see java.lang.Byte
 * @see java.lang.Short
 * @see java.lang.Integer
 * @see java.lang.Long
 * @see java.math.BigInteger
 * @see java.lang.Float
 * @see java.lang.Double
 * @see java.math.BigDecimal
 */
public static Number convertNumberToTargetClass(Number number, Class targetClass)
        throws IllegalArgumentException {

    if (targetClass.isInstance(number)) {
        return number;
    } else if (targetClass.equals(Byte.class)) {
        long value = number.longValue();
        if (value < Byte.MIN_VALUE || value > Byte.MAX_VALUE) {
            raiseOverflowException(number, targetClass);
        }
        return number.byteValue();
    } else if (targetClass.equals(Short.class)) {
        long value = number.longValue();
        if (value < Short.MIN_VALUE || value > Short.MAX_VALUE) {
            raiseOverflowException(number, targetClass);
        }
        return number.shortValue();
    } else if (targetClass.equals(Integer.class)) {
        long value = number.longValue();
        if (value < Integer.MIN_VALUE || value > Integer.MAX_VALUE) {
            raiseOverflowException(number, targetClass);
        }
        return number.intValue();
    } else if (targetClass.equals(Long.class)) {
        return number.longValue();
    } else if (targetClass.equals(Float.class)) {
        return number.floatValue();
    } else if (targetClass.equals(Double.class)) {
        return number.doubleValue();
    } else if (targetClass.equals(BigInteger.class)) {
        return BigInteger.valueOf(number.longValue());
    } else if (targetClass.equals(BigDecimal.class)) {
        // using BigDecimal(String) here, to avoid unpredictability of BigDecimal(double)
        // (see BigDecimal javadoc for details)
        return new BigDecimal(number.toString());
    } else {
        throw new IllegalArgumentException("Could not convert number [" + number + "] of type ["
                + number.getClass().getName() + "] to unknown target class [" + targetClass.getName() + "]");
    }
}

From source file:com.espertech.esper.epl.parse.ASTContextHelper.java

public static CreateContextDesc walkCreateContext(Tree parent, Map<Tree, ExprNode> astExprNodeMap,
        Map<Tree, EvalFactoryNode> astPatternNodeMap, PropertyEvalSpec propertyEvalSpec,
        FilterSpecRaw filterSpec) {//from  ww  w. j av a2  s  .  co  m
    String contextName = parent.getChild(0).getText();
    Tree detailParent = parent.getChild(1);

    ContextDetail contextDetail;

    // temporal fixed (start+end) and overlapping (initiated/terminated)
    if (detailParent.getType() == EsperEPL2Ast.CREATE_CTX_INIT
            || detailParent.getType() == EsperEPL2Ast.CREATE_CTX_FIXED) {
        ContextDetailCondition startEndpoint;
        if (detailParent.getType() == EsperEPL2Ast.CREATE_CTX_FIXED) {
            if (detailParent.getChild(0).getType() == EsperEPL2Ast.IDENT) {
                String ident = detailParent.getChild(0).getText().toLowerCase();
                if (!ident.equals("now")) {
                    throw new ASTWalkException(
                            "Expected 'now' keyword after '@', found '" + ident + "' instead");
                }
                startEndpoint = new ContextDetailConditionImmediate();
            } else {
                startEndpoint = getContextCondition(detailParent.getChild(0), astExprNodeMap, astPatternNodeMap,
                        propertyEvalSpec, false);
            }
        } else {
            boolean immediate = false;
            if (detailParent.getChild(detailParent.getChildCount() - 1).getType() == EsperEPL2Ast.IDENT) {
                String ident = detailParent.getChild(detailParent.getChildCount() - 1).getText().toLowerCase();
                if (!ident.equals("now")) {
                    throw new ASTWalkException(
                            "Expected 'now' keyword after '@', found '" + ident + "' instead");
                }
                immediate = true;
            }
            startEndpoint = getContextCondition(detailParent.getChild(0), astExprNodeMap, astPatternNodeMap,
                    propertyEvalSpec, immediate);
        }
        ContextDetailCondition endEndpoint = getContextCondition(detailParent.getChild(1), astExprNodeMap,
                astPatternNodeMap, propertyEvalSpec, false);
        boolean overlapping = detailParent.getType() == EsperEPL2Ast.CREATE_CTX_INIT;
        contextDetail = new ContextDetailInitiatedTerminated(startEndpoint, endEndpoint, overlapping);
    }
    // categorized
    else if (detailParent.getType() == EsperEPL2Ast.CREATE_CTX_CAT) {
        List<ContextDetailCategoryItem> items = new ArrayList<ContextDetailCategoryItem>();
        for (int i = 0; i < detailParent.getChildCount() - 1; i++) {
            Tree categoryParent = detailParent.getChild(i);
            ExprNode exprNode = astExprNodeMap.remove(categoryParent.getChild(0));
            String name = categoryParent.getChild(1).getText();
            items.add(new ContextDetailCategoryItem(exprNode, name));
        }
        filterSpec = ASTExprHelper.walkFilterSpec(detailParent.getChild(detailParent.getChildCount() - 1),
                propertyEvalSpec, astExprNodeMap);
        contextDetail = new ContextDetailCategory(items, filterSpec);
    }
    // partitioned
    else if (detailParent.getType() == EsperEPL2Ast.CREATE_CTX_PART) {
        List<ContextDetailPartitionItem> rawSpecs = new ArrayList<ContextDetailPartitionItem>();
        for (int i = 0; i < detailParent.getChildCount(); i++) {

            Tree partitionParent = detailParent.getChild(i);
            filterSpec = ASTExprHelper.walkFilterSpec(partitionParent.getChild(0), propertyEvalSpec,
                    astExprNodeMap);
            propertyEvalSpec = null;

            List<String> propertyNames = new ArrayList<String>();
            for (int j = 1; j < partitionParent.getChildCount(); j++) {
                String propertyName = ASTFilterSpecHelper.getPropertyName(partitionParent.getChild(j), 0);
                propertyNames.add(propertyName);
            }

            rawSpecs.add(new ContextDetailPartitionItem(filterSpec, propertyNames));
        }
        contextDetail = new ContextDetailPartitioned(rawSpecs);
    }
    // partitioned
    else if (detailParent.getType() == EsperEPL2Ast.CREATE_CTX_COAL) {
        List<ContextDetailHashItem> rawSpecs = new ArrayList<ContextDetailHashItem>();
        int count = 0;
        for (int i = 0; i < detailParent.getChildCount(); i++) {
            Tree hashItemParent = detailParent.getChild(i);
            if (hashItemParent.getType() == EsperEPL2Ast.COALESCE) {
                count++;
                ExprChainedSpec func = ASTLibHelper.getLibFunctionChainSpec(hashItemParent.getChild(0),
                        astExprNodeMap);
                filterSpec = ASTExprHelper.walkFilterSpec(hashItemParent.getChild(1), propertyEvalSpec,
                        astExprNodeMap);
                propertyEvalSpec = null;
                rawSpecs.add(new ContextDetailHashItem(func, filterSpec));
            }
        }

        String granularity = detailParent.getChild(count).getText();
        if (!granularity.toLowerCase().equals("granularity")) {
            throw new ASTWalkException("Expected 'granularity' keyword after list of coalesce items, found '"
                    + granularity + "' instead");
        }
        Number num = (Number) ASTConstantHelper.parse(detailParent.getChild(count + 1));
        String preallocateStr = detailParent.getChildCount() - 1 < count + 2 ? null
                : detailParent.getChild(count + 2).getText();
        if (preallocateStr != null && !preallocateStr.toLowerCase().equals("preallocate")) {
            throw new ASTWalkException("Expected 'preallocate' keyword after list of coalesce items, found '"
                    + preallocateStr + "' instead");
        }
        if (!JavaClassHelper.isNumericNonFP(num.getClass())
                || JavaClassHelper.getBoxedType(num.getClass()) == Long.class) {
            throw new ASTWalkException(
                    "Granularity provided must be an int-type number, received " + num.getClass() + " instead");
        }

        contextDetail = new ContextDetailHash(rawSpecs, num.intValue(), preallocateStr != null);
    } else if (detailParent.getType() == EsperEPL2Ast.CREATE_CTX_NESTED) {
        List<CreateContextDesc> contexts = new ArrayList<CreateContextDesc>();
        for (int i = 0; i < detailParent.getChildCount(); i++) {
            Tree parentCreate = detailParent.getChild(i);
            if (parentCreate.getType() != EsperEPL2Ast.CREATE_CTX) {
                throw new IllegalStateException(
                        "Child to nested context is not a context-create but type " + parentCreate.getType());
            }
            contexts.add(walkCreateContext(parentCreate, astExprNodeMap, astPatternNodeMap, propertyEvalSpec,
                    filterSpec));
        }
        contextDetail = new ContextDetailNested(contexts);
    } else {
        throw new IllegalStateException("Unrecognized context detail type '" + detailParent.getType() + "'");
    }

    return new CreateContextDesc(contextName, contextDetail);
}

From source file:org.jongo.CommandTest.java

@Test
public void canRunACommandWithParameter() throws Exception {

    collection.withWriteConcern(WriteConcern.SAFE).insert("{test:1}");

    DBObject result = jongo.runCommand("{ count: #}", "friends").map(new RawResultHandler<DBObject>());

    Number n = (Number) result.get("n");
    assertThat(n.intValue()).isEqualTo(1);
}

From source file:com.branded.holdings.qpc.repository.jdbc.JdbcVisitRepositoryImpl.java

@Override
public void save(Visit visit) throws DataAccessException {
    if (visit.isNew()) {
        Number newKey = this.insertVisit.executeAndReturnKey(createVisitParameterSource(visit));
        visit.setId(newKey.intValue());
    } else {/*from w  w  w  .jav a  2  s .c  o  m*/
        throw new UnsupportedOperationException("Visit update not supported");
    }
}

From source file:com.bstek.dorado.data.variant.DefaultVariantConvertor.java

public int toInt(Object object) {
    Number n = (Number) intDateType.convertFromObject(object);
    return n.intValue();
}

From source file:com.sixrr.metrics.ui.charts.PieChartDialog.java

private JFreeChart createChart(PieDataset dataset) {
    final String title = getTitle();
    final PiePlot plot = new PiePlot(dataset);
    plot.setInsets(new Insets(0, 5, 5, 5));
    final int numItems = dataset.getItemCount();
    int total = 0;
    for (int i = 0; i < numItems; i++) {
        final Number value = dataset.getValue(i);
        total += value.intValue();
    }// ww  w  . j  av  a 2 s. c o m
    final PieItemLabelGenerator tooltipGenerator = new PieChartTooltipGenerator(total);
    plot.setItemLabelGenerator(tooltipGenerator);
    plot.setURLGenerator(null);
    return new JFreeChart(title, JFreeChartConstants.DEFAULT_TITLE_FONT, plot, false);
}

From source file:com.catt.mobile.repository.jdbc.JdbcAccountRepositoryImpl.java

@Override
public void save(Account account) throws DataAccessException {
    BeanPropertySqlParameterSource parameterSource = new BeanPropertySqlParameterSource(account);
    if (account.isNew()) {
        Number newKey = this.insertAccount.executeAndReturnKey(parameterSource);
        account.setId(newKey.intValue());
    } else {/*from  w w  w  . j  ava 2s. c  o m*/
        this.namedParameterJdbcTemplate.update("UPDATE account SET name=:name, address=:address, "
                + "email=:email, telephone=:telephone WHERE id=:id", parameterSource);
    }
}

From source file:com.branded.holdings.qpc.repository.jdbc.JdbcTopicRepositoryImpl.java

@Override
public void save(Topic topic) throws DataAccessException {
    if (topic.isNew()) {
        Number newKey = this.insertTopic.executeAndReturnKey(createTopicParameterSource(topic));
        topic.setId(newKey.intValue());
    } else {/*  w ww  .  ja va  2  s  .  c  o m*/
        this.namedParameterJdbcTemplate.update(
                "UPDATE topic SET  type_id=:type_id, description=:description, weight=:weight" + "WHERE id=:id",
                createTopicParameterSource(topic));
    }
}

From source file:MutableInt.java

public MutableInt(Number value) {
    super();
    this._value = value.intValue();
}

From source file:biomine.bmvis2.pipeline.SizeSliderOperation.java

@Override
public void fromJSON(JSONObject o) throws Exception {
    Number n = (Number) o.get("target");
    this.targetSize = n.intValue();
}