edu.ucsb.adl.middleware
Class Query.RelationalConstraint

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

Enclosing class:

Query

public static final class Query.RelationalConstraint

extends Query.SimpleConstraint

A relational constraint.

Field Summary

Fields inherited from class edu.ucsb.adl.middleware.Query.SimpleConstraint

m_bucket, m_field, m_operator

Fields inherited from class edu.ucsb.adl.middleware.Query.Constraint

m_parent

Constructor Summary

Query.RelationalConstraint(java.lang.String bucket, Query.Field field, java.lang.String operator, java.lang.String targetIdentifier)
Constructs a RelationalConstraint.

Method Summary

java.lang.String	getTargetIdentifier() Returns the target identifier.
java.lang.String	toHTML(java.lang.String mapServerURL) Converts the constraint to HTML.
java.lang.String	toXML(int level) Converts the constraint to XML.

Methods inherited from class edu.ucsb.adl.middleware.Query.SimpleConstraint

commonFieldsToXML, getBucket, getField, getOperator

Methods inherited from class edu.ucsb.adl.middleware.Query.Constraint

getParent

Methods inherited from class java.lang.Object

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

Constructor Detail

Query.RelationalConstraint

public Query.RelationalConstraint(java.lang.String bucket,
                                  Query.Field field,
                                  java.lang.String operator,
                                  java.lang.String targetIdentifier)

Constructs a RelationalConstraint.

Parameters:

bucket - The bucket to constrain, e.g., "relationships".

field - The field to constrain, or null.

operator - The constraint operator, i.e., the relationship, e.g., "part of".

targetIdentifier - The target item's ADL identifier.

Throws:

java.lang.NullPointerException - If bucket, operator, or targetIdentifier are null.

Method Detail

getTargetIdentifier

public java.lang.String getTargetIdentifier()

Returns the target identifier.

Returns:

The target identifier.

toHTML

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

Converts the constraint to HTML.

Specified by:

toHTML in class Query.Constraint

Parameters:

mapServerURL - Unused.

Returns:

An HTML fragment consisting of a single <li> element.

toXML

public java.lang.String toXML(int level)

Converts the constraint to XML.

Specified by:

toXML in class Query.Constraint

Parameters:

level - The current indentation level; should be nonnegative.

Returns:

An XML fragment.