/*
* Hibernate Search, full-text search for your domain model
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later
* See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
*/
package org.hibernate.search.test.filter.deprecated;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import org.apache.lucene.index.LeafReaderContext;
import org.apache.lucene.index.Term;
import org.apache.lucene.search.DocIdSet;
import org.apache.lucene.search.Filter;
import org.apache.lucene.search.Query;
import org.apache.lucene.search.QueryWrapperFilter;
import org.apache.lucene.search.TermQuery;
import org.apache.lucene.util.Bits;
/**
* A filter based on a given value for a given field.
*
* @author Gunnar Morling
*/
public class FieldConstraintFilterWithoutKeyMethod extends Filter {
private static List<FieldConstraintFilterWithoutKeyMethod> instances = new ArrayList<>();
private String field;
private String value;
// used by the engine
public FieldConstraintFilterWithoutKeyMethod() {
instances.add( this );
}
// used for assertions only
FieldConstraintFilterWithoutKeyMethod(String field, String value) {
this.field = field;
this.value = value;
}
public void setField(String field) {
this.field = field;
}
public void setValue(String value) {
this.value = value;
}
@Override
public DocIdSet getDocIdSet(LeafReaderContext context, Bits acceptDocs) throws IOException {
Query q = new TermQuery( new Term( field, value ) );
Filter filter = new QueryWrapperFilter( q );
return filter.getDocIdSet( context, acceptDocs );
}
public static List<FieldConstraintFilterWithoutKeyMethod> getInstances() {
return instances;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ( ( field == null ) ? 0 : field.hashCode() );
result = prime * result + ( ( value == null ) ? 0 : value.hashCode() );
return result;
}
@Override
public boolean equals(Object obj) {
if ( this == obj ) {
return true;
}
if ( obj == null ) {
return false;
}
if ( getClass() != obj.getClass() ) {
return false;
}
FieldConstraintFilterWithoutKeyMethod other = (FieldConstraintFilterWithoutKeyMethod) obj;
if ( field == null ) {
if ( other.field != null ) {
return false;
}
}
else if ( !field.equals( other.field ) ) {
return false;
}
if ( value == null ) {
if ( other.value != null ) {
return false;
}
}
else if ( !value.equals( other.value ) ) {
return false;
}
return true;
}
@Override
public String toString(String field) {
return field + "=" + value;
}
}