com.sun.labs.minion.query
Class StringRelation

java.lang.Object
  com.sun.labs.minion.query.Element
      com.sun.labs.minion.query.Relation
          com.sun.labs.minion.query.StringRelation

public class StringRelation
extends Relation

A query element for the string operators, which includes all of the valid operators from Relation, as well as substring, matches, starts, ends.

See Also:

Relation

Nested Class Summary

Nested classes/interfaces inherited from class com.sun.labs.minion.query.Relation

Relation.Operator

Field Summary

Fields inherited from class com.sun.labs.minion.query.Relation

field, operator, value

Fields inherited from class com.sun.labs.minion.query.Element

fields, strict

Constructor Summary

StringRelation(java.lang.String field, Relation.Operator operator, java.lang.String value)
Creates a relation for a string field.

Method Summary

Methods inherited from class com.sun.labs.minion.query.Relation

getField, getOperator, getQueryElement, getValue, toString

Methods inherited from class com.sun.labs.minion.query.Element

addField, getFields, getStrict, setFields, setStrict

Methods inherited from class java.lang.Object

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

Constructor Detail

StringRelation

public StringRelation(java.lang.String field,
                      Relation.Operator operator,
                      java.lang.String value)

Creates a relation for a string field.

Parameters:

field - the field that the relation should operate on. This should be a field that has the SAVED attribute and is of type STRING. If either of these preconditions is violated, a warning will be issued when the query is evaluated by the engine.

operator - the operator to use for the relation

value - the value that is being compared to the values in the field