edu.ucsb.adl.middleware
Class Query.Constraint

java.lang.Object
  |
  +--edu.ucsb.adl.middleware.Query.Constraint

Direct Known Subclasses:

Query.BooleanConstraint, Query.SimpleConstraint

Enclosing class:

Query

public abstract static class Query.Constraint

extends java.lang.Object

Abstract base class for constraints.

Field Summary

protected Query.Constraint

m_parent The constraint's parent or null.

Constructor Summary

Query.Constraint()
Constructs a Constraint with no parent.

Method Summary

Query.Constraint	getParent() Returns the constraint's parent.
abstract java.lang.String	toHTML(java.lang.String mapServerURL) Converts the constraint to HTML.
abstract java.lang.String	toXML(int level) Converts the constraint to XML.

Methods inherited from class java.lang.Object

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

Field Detail

m_parent

protected Query.Constraint m_parent

The constraint's parent or null.

Constructor Detail

Query.Constraint

public Query.Constraint()

Constructs a Constraint with no parent.

Method Detail

getParent

public Query.Constraint getParent()

Returns the constraint's parent.

Returns:

The parent constraint or null.

toHTML

public abstract java.lang.String toHTML(java.lang.String mapServerURL)

Converts the constraint to HTML.

Parameters:

mapServerURL - The template URL of a map server or null.

Returns:

An HTML fragment consisting of one or more <li> elements.

toXML

public abstract java.lang.String toXML(int level)

Converts the constraint to XML.

Parameters:

level - The current indentation level; should be nonnegative.

Returns:

An XML fragment.