org.apache.jackrabbit.core.query
Class RelationQueryNode

java.lang.Object
  org.apache.jackrabbit.core.query.QueryNode
      org.apache.jackrabbit.core.query.RelationQueryNode

All Implemented Interfaces:

QueryConstants

public class RelationQueryNode

extends QueryNode

implements QueryConstants

Implements a query node that defines property value relation.

Field Summary

Fields inherited from class org.apache.jackrabbit.core.query.QueryNode

TYPE_AND, TYPE_DEREF, TYPE_EXACT, TYPE_LOCATION, TYPE_NODETYPE, TYPE_NOT, TYPE_OR, TYPE_ORDER, TYPE_PATH, TYPE_RELATION, TYPE_ROOT, TYPE_TEXTSEARCH

Fields inherited from interface org.apache.jackrabbit.core.query.QueryConstants

OPERATION_BETWEEN, OPERATION_EQ_GENERAL, OPERATION_EQ_VALUE, OPERATION_GE_GENERAL, OPERATION_GE_VALUE, OPERATION_GT_GENERAL, OPERATION_GT_VALUE, OPERATION_IN, OPERATION_LE_GENERAL, OPERATION_LE_VALUE, OPERATION_LIKE, OPERATION_LT_GENERAL, OPERATION_LT_VALUE, OPERATION_NE_GENERAL, OPERATION_NE_VALUE, OPERATION_NOT_NULL, OPERATION_NULL, OPERATIONS, TYPE_DATE, TYPE_DOUBLE, TYPE_LONG, TYPE_POSITION, TYPE_STRING, TYPE_TIMESTAMP

Constructor Summary

RelationQueryNode(QueryNode parent, int operation)
Creates a new RelationQueryNode without a type nor value assigned.

RelationQueryNode(QueryNode parent, QName property, Date value, int operation)
Creates a new RelationQueryNode with a Date value and an operation type.

RelationQueryNode(QueryNode parent, QName property, double value, int operation)
Creates a new RelationQueryNode with a double value and an operation type.

RelationQueryNode(QueryNode parent, QName property, long value, int operation)
Creates a new RelationQueryNode with a long value and an operation type.

RelationQueryNode(QueryNode parent, QName property, String value, int operation)
Creates a new RelationQueryNode with a String value and an operation type.

Method Summary

Object	accept(QueryNodeVisitor visitor, Object data) Accepts a QueryNodeVisitor and calls the apropriate visit method on the visitor depending on the concrete implementation of this QueryNode.
boolean	equals(Object obj) Returns true if obj is the same type of QueryNode as this node and is equal to this node.
Date	getDateValue() Returns the Date value if this relation if of type QueryConstants.TYPE_DATE.
double	getDoubleValue() Returns the double value if this relation if of type QueryConstants.TYPE_DOUBLE.
long	getLongValue() Returns the long value if this relation if of type QueryConstants.TYPE_LONG.
int	getOperation() Returns the operation type.
int	getPositionValue() Returns the int position index value if this relation is of type QueryConstants.TYPE_POSITION.
QName	getProperty() Returns the name of the property in this relation query node.
String	getStringValue() Returns the String value if this relation if of type QueryConstants.TYPE_STRING.
int	getType() Returns the type of this node.
int	getValueType() Returns the type of the value.
void	setDateValue(Date value) Sets a new value of type Date.
void	setDoubleValue(double value) Sets a new value of type double.
void	setLongValue(long value) Sets a new value of type long.
void	setPositionValue(int value) Sets a new value for the position index.
void	setProperty(QName name) Sets a new property name for this relation query node.
void	setStringValue(String value) Sets a new value of type String.
void	setUnaryMinus(boolean b) If b is true then the value in this relation node contains a receding unary minus.

Methods inherited from class org.apache.jackrabbit.core.query.QueryNode

dump, getParent

Methods inherited from class java.lang.Object

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

Constructor Detail

RelationQueryNode

public RelationQueryNode(QueryNode parent,
                         int operation)

Creates a new RelationQueryNode without a type nor value assigned.

Parameters:

parent - the parent node for this query node.

RelationQueryNode

public RelationQueryNode(QueryNode parent,
                         QName property,
                         long value,
                         int operation)

Creates a new RelationQueryNode with a long value and an operation type.

Parameters:

parent - the parent node for this query node.

property - the name of a property.

value - a property value

operation - the type of the relation.

RelationQueryNode

public RelationQueryNode(QueryNode parent,
                         QName property,
                         double value,
                         int operation)

Creates a new RelationQueryNode with a double value and an operation type.

Parameters:

parent - the parent node for this query node.

property - the name of a property.

value - a property value

operation - the type of the relation.

RelationQueryNode

public RelationQueryNode(QueryNode parent,
                         QName property,
                         Date value,
                         int operation)

Creates a new RelationQueryNode with a Date value and an operation type.

Parameters:

parent - the parent node for this query node.

property - the name of a property.

value - a property value

operation - the type of the relation.

RelationQueryNode

public RelationQueryNode(QueryNode parent,
                         QName property,
                         String value,
                         int operation)

Creates a new RelationQueryNode with a String value and an operation type.

Parameters:

parent - the parent node for this query node.

property - the name of a property.

value - a property value

operation - the type of the relation.

Method Detail

accept

public Object accept(QueryNodeVisitor visitor,
                     Object data)

Accepts a QueryNodeVisitor and calls the apropriate visit method on the visitor depending on the concrete implementation of this QueryNode.

Specified by:

accept in class QueryNode

Parameters:

visitor - the visitor to call back.

data - arbitrary data for the visitor.

Returns:

the return value of the visitor.visit() call.

getType

public int getType()

Returns the type of this node.

Specified by:

getType in class QueryNode

Returns:

the type of this node.

setUnaryMinus

public void setUnaryMinus(boolean b)

If b is true then the value in this relation node contains a receding unary minus.

Parameters:

b - true if this relation contains a unary minus.

getValueType

public int getValueType()

Returns the type of the value.

Returns:

the type of the value.

getProperty

public QName getProperty()

Returns the name of the property in this relation query node.

Returns:

the name of the property in this relation query node.

setProperty

public void setProperty(QName name)

Sets a new property name for this relation query node.

Parameters:

name - the new property name.

getLongValue

public long getLongValue()

Returns the long value if this relation if of type QueryConstants.TYPE_LONG.

Returns:

the long value.

setLongValue

public void setLongValue(long value)

Sets a new value of type long.

Parameters:

value - the new value.

getPositionValue

public int getPositionValue()

Returns the int position index value if this relation is of type QueryConstants.TYPE_POSITION.

Returns:

the position index value.

setPositionValue

public void setPositionValue(int value)

Sets a new value for the position index.

Parameters:

value - the new value.

getDoubleValue

public double getDoubleValue()

Returns the double value if this relation if of type QueryConstants.TYPE_DOUBLE.

Returns:

the double value.

setDoubleValue

public void setDoubleValue(double value)

Sets a new value of type double.

Parameters:

value - the new value.

getStringValue

public String getStringValue()

Returns the String value if this relation if of type QueryConstants.TYPE_STRING.

Returns:

the String value.

setStringValue

public void setStringValue(String value)

Sets a new value of type String.

Parameters:

value - the new value.

getDateValue

public Date getDateValue()

Returns the Date value if this relation if of type QueryConstants.TYPE_DATE.

Returns:

the Date value.

setDateValue

public void setDateValue(Date value)

Sets a new value of type Date.

Parameters:

value - the new value.

getOperation

public int getOperation()

Returns the operation type.

Returns:

the operation type.

equals

public boolean equals(Object obj)

Description copied from class: QueryNode

Returns true if obj is the same type of QueryNode as this node and is equal to this node.

Specified by:

equals in class QueryNode

Parameters:

obj - the reference object with which to compare.

Returns:

true if obj is equal to this; false otherwise.