org.apache.jackrabbit.spi.commons.query.qom
Class ColumnImpl

java.lang.Object
  org.apache.jackrabbit.spi.commons.query.qom.AbstractQOMNode
      org.apache.jackrabbit.spi.commons.query.qom.ColumnImpl

All Implemented Interfaces:

Column

public class ColumnImpl
extends AbstractQOMNode
implements Column

ColumnImpl...

Field Summary

static ColumnImpl[]

EMPTY_ARRAY Empty ColumnImpl array.

Fields inherited from class org.apache.jackrabbit.spi.commons.query.qom.AbstractQOMNode

resolver

Method Summary

Object	accept(QOMTreeVisitor visitor, Object data) Accepts a visitor and calls the appropriate visit method depending on the type of this QOM node.
String	getColumnName() Gets the column name.
String	getPropertyName() Gets the name of the property.
Name	getPropertyQName() Gets the name of the property.
String	getSelectorName() Gets the name of the selector.
Name	getSelectorQName() Gets the name of the selector.

Methods inherited from class org.apache.jackrabbit.spi.commons.query.qom.AbstractQOMNode

getJCRName, getJCRPath

Methods inherited from class java.lang.Object

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

Field Detail

EMPTY_ARRAY

public static final ColumnImpl[] EMPTY_ARRAY

Empty ColumnImpl array.

Method Detail

getSelectorQName

public Name getSelectorQName()

Gets the name of the selector.

Returns:

the selector name; non-null

getPropertyQName

public Name getPropertyQName()

Gets the name of the property.

Returns:

the property name, or null to include a column for each single-value non-residual property of the selector's node type

getSelectorName

public String getSelectorName()

Gets the name of the selector.

Specified by:

getSelectorName in interface Column

Returns:

the selector name; non-null

getPropertyName

public String getPropertyName()

Gets the name of the property.

Specified by:

getPropertyName in interface Column

Returns:

the property name, or null to include a column for each single-value non-residual property of the selector's node type

getColumnName

public String getColumnName()

Gets the column name.

Specified by:

getColumnName in interface Column

Returns:

the column name; must be null if getPropertyName is null and non-null otherwise

accept

public Object accept(QOMTreeVisitor visitor,
                     Object data)
              throws Exception

Accepts a visitor and calls the appropriate visit method depending on the type of this QOM node.

Specified by:

accept in class AbstractQOMNode

Parameters:

visitor - the visitor.

data - user defined data, which is passed to the visit method.

Throws:

Exception