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java.lang.Object net.sf.jasperreports.crosstabs.fill.calculation.BucketDefinition
public class BucketDefinition
Bucket definition.
Nested Class Summary | |
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class |
BucketDefinition.Bucket
Bucket value class. |
Field Summary | |
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protected java.util.Comparator<java.lang.Object> |
bucketValueComparator
|
protected JRExpression |
orderByExpression
|
protected java.util.Comparator<java.lang.Object> |
orderValueComparator
|
protected BucketDefinition.Bucket |
VALUE_NULL
The null bucket. |
protected BucketDefinition.Bucket |
VALUE_TOTAL
The total value for this bucket. |
protected static byte |
VALUE_TYPE_NULL
Value type used for null bucket values. |
protected static byte |
VALUE_TYPE_TOTAL
Value type used for total buckets. |
protected static byte |
VALUE_TYPE_VALUE
Value type used for non-null values. |
Constructor Summary | |
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BucketDefinition(java.lang.Class<?> valueClass,
JRExpression orderByExpression,
java.util.Comparator<java.lang.Object> comparator,
SortOrderEnum order,
CrosstabTotalPositionEnum totalPosition)
Creates a bucket. |
Method Summary | |
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int |
compareOrderValues(java.lang.Object v1,
java.lang.Object v2)
|
boolean |
computeTotal()
Whether this bucket needs total calculation. |
BucketDefinition.Bucket |
create(java.lang.Object value)
Creates a BucketValue object for a given value. |
protected static java.util.Comparator<java.lang.Object> |
createOrderComparator(java.util.Comparator<java.lang.Object> comparator,
SortOrderEnum order)
|
JRExpression |
getOrderByExpression()
|
CrosstabTotalPositionEnum |
getTotalPosition()
Returns the total bucket position. |
boolean |
hasOrderValues()
|
void |
setComputeTotal()
Instructs that the bucket will need total bucket calculation. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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protected static final byte VALUE_TYPE_VALUE
protected static final byte VALUE_TYPE_NULL
protected static final byte VALUE_TYPE_TOTAL
protected final BucketDefinition.Bucket VALUE_TOTAL
protected final BucketDefinition.Bucket VALUE_NULL
protected final java.util.Comparator<java.lang.Object> bucketValueComparator
protected final JRExpression orderByExpression
protected final java.util.Comparator<java.lang.Object> orderValueComparator
Constructor Detail |
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public BucketDefinition(java.lang.Class<?> valueClass, JRExpression orderByExpression, java.util.Comparator<java.lang.Object> comparator, SortOrderEnum order, CrosstabTotalPositionEnum totalPosition) throws JRException
valueClass
- the class of the bucket valuesorderByExpression
- expression that provides order by valuescomparator
- the comparator to use for bucket sortingorder
- the order type, SortOrderEnum.ASCENDING
or SortOrderEnum.DESCENDING
descendingtotalPosition
- the position of the total bucket
JRException
Method Detail |
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protected static java.util.Comparator<java.lang.Object> createOrderComparator(java.util.Comparator<java.lang.Object> comparator, SortOrderEnum order)
public boolean computeTotal()
public void setComputeTotal()
computeTotal()
public CrosstabTotalPositionEnum getTotalPosition()
public JRExpression getOrderByExpression()
public boolean hasOrderValues()
public int compareOrderValues(java.lang.Object v1, java.lang.Object v2)
public BucketDefinition.Bucket create(java.lang.Object value)
BucketValue
object for a given value.
value
- the value
BucketValue
object
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