AbstractColumnValuePredicate (Silverpeas Components 6.3 API)

java.lang.Object
- org.silverpeas.components.mydb.model.predicates.AbstractColumnValuePredicate

All Implemented Interfaces:

ColumnValuePredicate

Direct Known Subclasses:

Equality, Identity, Inclusion, Inequality, Inferiority, Like, StrictInferiority, StrictSuperiority, Superiority
```
public abstract class AbstractColumnValuePredicate
extends Object
implements ColumnValuePredicate
```
Abstract implementation of the ColumnValuePredicate interface.

Author:

mmoquillon

Field Summary

Fields
Modifier and Type Field Description

static String EMPTY_VALUE

static String NULL_VALUE

Constructor Summary

Constructors
Constructor	Description
`AbstractColumnValuePredicate(DbColumn column, String refValue)`	Constructs a new predicate on the specified database table's column and with the given reference value.

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`abstract org.silverpeas.core.persistence.jdbc.sql.JdbcSqlQuery`	`apply(org.silverpeas.core.persistence.jdbc.sql.JdbcSqlQuery query)`
`DbColumn`	`getColumn()`	Gets the name of the column on which the predicate should be played.
`Comparable`	`getReferenceValue()`	Gets the value with which all the column's values will be compared when playing the predicate.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - NULL_VALUE
```
public static final String NULL_VALUE
```
    See Also:
    
    Constant Field Values
  - EMPTY_VALUE
```
public static final String EMPTY_VALUE
```
    See Also:
    
    Constant Field Values
- Constructor Detail
  - AbstractColumnValuePredicate
```
public AbstractColumnValuePredicate(DbColumn column,
                                    String refValue)
```
    Constructs a new predicate on the specified database table's column and with the given reference value.
    
    Parameters:
    
    column - the column.
    
    refValue - a reference value.
- Method Detail
  - getColumn
```
public DbColumn getColumn()
```
    Description copied from interface: ColumnValuePredicate
    
    Gets the name of the column on which the predicate should be played.
    
    Specified by:
    
    getColumn in interface ColumnValuePredicate
    
    Returns:
    
    the name of a database table's column.
  - getReferenceValue
```
public Comparable getReferenceValue()
```
    Description copied from interface: ColumnValuePredicate
    
    Gets the value with which all the column's values will be compared when playing the predicate.
    
    Specified by:
    
    getReferenceValue in interface ColumnValuePredicate
    
    Returns:
    
    a Comparable value.
  - apply
```
public abstract org.silverpeas.core.persistence.jdbc.sql.JdbcSqlQuery apply(org.silverpeas.core.persistence.jdbc.sql.JdbcSqlQuery query)
```