com.endeca.portal.chart

Class ChartUtil

java.lang.Object

com.endeca.portal.chart.ChartUtil

public class ChartUtil
extends java.lang.Object

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	HISTOGRAM_ADJUST_BUCKET_NUM
static java.lang.String	HISTOGRAM_GRANULARITY
static java.lang.String	MAX_VALUE
static java.lang.String	MIN_VALUE
static java.lang.String	ORIGINAL_MAX
static java.lang.String	ORIGINAL_MIN
static java.lang.String	TOTAL

Constructor Summary

Constructors

Constructor and Description
ChartUtil()

Method Summary

Methods

Modifier and Type	Method and Description
static java.util.Map<java.lang.String,java.lang.String>	getAdjustRangeAndPrecision(javax.portlet.PortletRequest request, java.lang.String viewkey, java.lang.String attributeKey, int bucketNum) Return adjusted bin number for dynamic binning for histogram chart.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

ORIGINAL_MIN

public static final java.lang.String ORIGINAL_MIN

See Also:

Constant Field Values

ORIGINAL_MAX

public static final java.lang.String ORIGINAL_MAX

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Constant Field Values

HISTOGRAM_GRANULARITY

public static final java.lang.String HISTOGRAM_GRANULARITY

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Constant Field Values

HISTOGRAM_ADJUST_BUCKET_NUM

public static final java.lang.String HISTOGRAM_ADJUST_BUCKET_NUM

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Constant Field Values

MAX_VALUE

public static final java.lang.String MAX_VALUE

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Constant Field Values

MIN_VALUE

public static final java.lang.String MIN_VALUE

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Constant Field Values

TOTAL

public static final java.lang.String TOTAL

See Also:

Constant Field Values

Constructor Detail

ChartUtil

public ChartUtil()

Method Detail

getAdjustRangeAndPrecision

public static java.util.Map<java.lang.String,java.lang.String> getAdjustRangeAndPrecision(javax.portlet.PortletRequest request,
                                                                          java.lang.String viewkey,
                                                                          java.lang.String attributeKey,
                                                                          int bucketNum)
                                                                                   throws java.io.IOException,
                                                                                          javax.portlet.PortletException,
                                                                                          java.text.ParseException,
                                                                                          DataSourceException,
                                                                                          ModelException,
                                                                                          KeyNotFoundException

Return adjusted bin number for dynamic binning for histogram chart. The rational behind this is explain in http://share.axure.com/O3UU9Q/ (range) under "Histogram Methodology" tab. This approach is used in available refinement portlet.

Parameters:

request -

viewkey -

attributeKey -

bucketNum - -- this is the initial number of bins available (e.g., (pixels avaiable)/(minimal pixels per bin))

Returns:

Throws:

java.io.IOException

javax.portlet.PortletException

java.text.ParseException

DataSourceException

ModelException

KeyNotFoundException