com.stratio.cassandra.lucene.schema.mapping.BooleanMapper Maven / Gradle / Ivy
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* Licensed to STRATIO (C) under one or more contributor license agreements.
* See the NOTICE file distributed with this work for additional information
* regarding copyright ownership. The STRATIO (C) licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package com.stratio.cassandra.lucene.schema.mapping;
import com.stratio.cassandra.lucene.IndexException;
import org.apache.cassandra.db.marshal.BooleanType;
import org.apache.cassandra.db.marshal.UTF8Type;
/**
* A {@link Mapper} to map a boolean field.
*
* @author Andres de la Pena {@literal }
*/
public class BooleanMapper extends KeywordMapper {
/** The {@code String} representation of a true value. */
private static final String TRUE = "true";
/** The {@code String} representation of a false value. */
private static final String FALSE = "false";
/**
* Builds a new {@link BooleanMapper}.
*
* @param field The name of the field.
* @param column The name of the column to be mapped.
* @param indexed If the field supports searching.
* @param sorted If the field supports sorting.
* @param validated If the field must be validated.
*/
public BooleanMapper(String field, String column, Boolean indexed, Boolean sorted, Boolean validated) {
super(field, column, indexed, sorted, validated, UTF8Type.instance, BooleanType.instance);
}
/** {@inheritDoc} */
@Override
protected String doBase(String name, Object value) {
if (value instanceof Boolean) {
return (Boolean) value ? TRUE : FALSE;
} else if (value instanceof String) {
return base(name, (String) value);
}
throw new IndexException("Field '%s' requires a boolean, but found '%s'", name, value);
}
private String base(String name, String value) {
if (value.equalsIgnoreCase(TRUE)) {
return TRUE;
} else if (value.equalsIgnoreCase(FALSE)) {
return FALSE;
} else {
throw new IndexException("Field '%s' requires '%s' or '%s', but found '%s'", TRUE, FALSE, name, value);
}
}
}