javax.slee.profile.query
Class HasPrefix

java.lang.Object
  javax.slee.profile.query.QueryExpression
      javax.slee.profile.query.SimpleQueryExpression
          javax.slee.profile.query.HasPrefix

All Implemented Interfaces:

java.io.Serializable

public final class HasPrefix
extends SimpleQueryExpression

The HasPrefix class represents a dynamic query expression that checks whether the value of a profile attribute is prefixed by a specified value.

This query expression can only be used with profile attributes of type java.lang.String.

See Also:

Serialized Form

Constructor Summary

HasPrefix(java.lang.String attrName, java.lang.String attrValue)
Create a HasPrefix query expression.

HasPrefix(java.lang.String attrName, java.lang.String attrValue, QueryCollator collator)
Create a HasPrefix query expression.

Method Summary

protected java.lang.String

getRelation() Get the symbol or other name for this expression relation to be used in the toString output.

Methods inherited from class javax.slee.profile.query.SimpleQueryExpression

getAttributeName, getAttributeValue, getCollator, toString

Methods inherited from class javax.slee.profile.query.QueryExpression

toString

Methods inherited from class java.lang.Object

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

Constructor Detail

HasPrefix

public HasPrefix(java.lang.String attrName,
                 java.lang.String attrValue)

Create a HasPrefix query expression. A profile will match the expression criteria if the value specified by attrValue argument is a prefix of the value of the attrName profile attribute, as determined by String.startsWith(String).

Parameters:

attrName - the name of the profile attribute to compare.

attrValue - the value of the attribute to compare with.

Throws:

java.lang.NullPointerException - if either argument is null.

HasPrefix

public HasPrefix(java.lang.String attrName,
                 java.lang.String attrValue,
                 QueryCollator collator)

Create a HasPrefix query expression. A profile will match the expression criteria if the value specified by attrValue argument is a prefix of the value of the attrName profile attribute, as determined by Collator.equals(String, String), where the collator is obtained from the specified QueryCollator.

Parameters:

attrName - the name of the profile attribute to compare.

attrValue - the value of the attribute to compare with.

collator - the collator to use for the comparison. May be null.

Throws:

java.lang.NullPointerException - if either attrName or attrValue is null.

Method Detail

getRelation

protected java.lang.String getRelation()

Description copied from class: SimpleQueryExpression

Get the symbol or other name for this expression relation to be used in the toString output.

Specified by:

getRelation in class SimpleQueryExpression

Returns:

the symbol or other name for this expression relation.