AggregatedField (MMBase 1.9-SNAPSHOT

Field Summary

Fields
Modifier and Type	Field and Description
`static int`	`AGGREGATION_TYPE_COUNT` Aggregation type, resulting in count of non-null values in this field.
`static int`	`AGGREGATION_TYPE_COUNT_DISTINCT` Aggregation type, resulting in count of distinct non-null values in this field.
`static String[]`	`AGGREGATION_TYPE_DESCRIPTIONS` Search type descriptions corresponding to the search type values: `AGGREGATION_TYPE_GROUP_BY`, `AGGREGATION_TYPE_COUNT`, `AGGREGATION_TYPE_COUNT_DISTINCT`, `AGGREGATION_TYPE_MIN`, and `AGGREGATION_TYPE_MAX`
`static int`	`AGGREGATION_TYPE_GROUP_BY` Aggregation type, resulting in grouping the results on non-null values of this field.
`static int`	`AGGREGATION_TYPE_MAX` Aggregation type, resulting in maximum value in this field.
`static int`	`AGGREGATION_TYPE_MIN` Aggregation type, resulting in minimum value in this field.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`boolean`	`equals(Object obj)` Compares this aggregated field to the specified object.
`int`	`getAggregationType()` Gets the aggregation type.
`String`	`toString()` Returns a string representation of this AggregatedField.

Methods inherited from interface org.mmbase.storage.search.StepField
getAlias, getFieldName, getStep, getType, hashCode, setUnmodifiable

- Field Detail
  - AGGREGATION_TYPE_GROUP_BY
```
static final int AGGREGATION_TYPE_GROUP_BY
```
    Aggregation type, resulting in grouping the results on non-null values of this field.
    
    See Also:
    
    Constant Field Values
  - AGGREGATION_TYPE_COUNT
```
static final int AGGREGATION_TYPE_COUNT
```
    Aggregation type, resulting in count of non-null values in this field.
    
    See Also:
    
    Constant Field Values
  - AGGREGATION_TYPE_COUNT_DISTINCT
```
static final int AGGREGATION_TYPE_COUNT_DISTINCT
```
    Aggregation type, resulting in count of distinct non-null values in this field.
    
    See Also:
    
    Constant Field Values
  - AGGREGATION_TYPE_MIN
```
static final int AGGREGATION_TYPE_MIN
```
    Aggregation type, resulting in minimum value in this field.
    
    See Also:
    
    Constant Field Values
  - AGGREGATION_TYPE_MAX
```
static final int AGGREGATION_TYPE_MAX
```
    Aggregation type, resulting in maximum value in this field.
    
    See Also:
    
    Constant Field Values
  - AGGREGATION_TYPE_DESCRIPTIONS
```
static final String[] AGGREGATION_TYPE_DESCRIPTIONS
```
    Search type descriptions corresponding to the search type values: AGGREGATION_TYPE_GROUP_BY, AGGREGATION_TYPE_COUNT, AGGREGATION_TYPE_COUNT_DISTINCT, AGGREGATION_TYPE_MIN, and AGGREGATION_TYPE_MAX
- Method Detail
  - getAggregationType
```
int getAggregationType()
```
    Gets the aggregation type.
  - equals
```
boolean equals(Object obj)
```
    Compares this aggregated field to the specified object. The result is true if and only if the argument is a non-null AggregatedField object associated with the same field, using the same alias, and having the same aggregation type.
    
    Specified by:
    
    equals in interface StepField
    
    Overrides:
    
    equals in class Object
    
    Parameters:
    
    obj - The object to compare with.
    
    Returns:
    
    true if the objects are equal, false otherwise.
  - toString
```
String toString()
```
    Returns a string representation of this AggregatedField. The string representation has the form "AggregatedField(step:<step>, fieldname:<fieldname>, alias:<alias>, aggregationtype:<aggregationtype>)" where
    - <step> is the step alias returned by getStep().getAlias() or, when the step alias is null, the step tablename returned by getStep().getTableName().
    - <fieldname> is the fieldname returned by getFieldName()
    - <alias> is the alias returned by getAlias()
    - <aggregationtype> is the alias returned by getAggregationType()
    Specified by:
    
    toString in interface StepField
    
    Overrides:
    
    toString in class Object
    
    Returns:
    
    A string representation of this AggregatedField.

Interface AggregatedField

Field Summary

Method Summary

Methods inherited from interface org.mmbase.storage.search.StepField

Field Detail

AGGREGATION_TYPE_GROUP_BY

AGGREGATION_TYPE_COUNT

AGGREGATION_TYPE_COUNT_DISTINCT

AGGREGATION_TYPE_MIN

AGGREGATION_TYPE_MAX

AGGREGATION_TYPE_DESCRIPTIONS

Method Detail

getAggregationType

equals

toString