net.sf.ehcache.search.expression
Class BaseCriteria

java.lang.Object
  net.sf.ehcache.search.expression.BaseCriteria

All Implemented Interfaces:

Criteria

Direct Known Subclasses:

AlwaysMatch, And, ComparableValue, EqualTo, ILike, InCollection, IsNull, Not, NotILike, NotNull, Or

public abstract class BaseCriteria
extends Object
implements Criteria

Base class for all criteria types

Author:

teck

Constructor Summary

BaseCriteria()

Method Summary

Criteria	and(Criteria other) Produce a criteria that is the boolean "and" of this and the given other criteria
abstract Set<Attribute<?>>	getAttributes() Returns all search attributes referenced by this instance
static AttributeExtractor	getExtractor(String attrName, Map<String,AttributeExtractor> knownExtractors) For given attribute name, return its corresponding extractors from supplied map, if it exists.
Criteria	not() Produce a criteria that is the boolean "not" of this
Criteria	or(Criteria other) Produce a criteria that is the boolean "or" of this and the given other criteria

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.sf.ehcache.search.expression.Criteria

execute

Constructor Detail

BaseCriteria

public BaseCriteria()

Method Detail

and

public Criteria and(Criteria other)

Produce a criteria that is the boolean "and" of this and the given other criteria

Specified by:

and in interface Criteria

Returns:

and criteria

not

public Criteria not()

Produce a criteria that is the boolean "not" of this

Specified by:

not in interface Criteria

Returns:

not criteria

or

public Criteria or(Criteria other)

Produce a criteria that is the boolean "or" of this and the given other criteria

Specified by:

or in interface Criteria

Returns:

or criteria

getExtractor

public static AttributeExtractor getExtractor(String attrName,
                                              Map<String,AttributeExtractor> knownExtractors)

For given attribute name, return its corresponding extractors from supplied map, if it exists. Otherwise, throw an exception.

Parameters:

attrName -

knownExtractors -

Returns:

getAttributes

public abstract Set<Attribute<?>> getAttributes()

Returns all search attributes referenced by this instance