com.frank.search.solr.repository.query.SolrParameter.java Source code

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Here is the source code for com.frank.search.solr.repository.query.SolrParameter.java

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/*
 * Copyright 2012 - 2013 the original author or authors.
 *
 * Licensed 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.frank.search.solr.repository.query;

import com.frank.search.solr.repository.Boost;
import org.springframework.core.MethodParameter;
import org.springframework.data.repository.query.Parameter;

/**
 * Solr specific {@link org.springframework.data.repository.query.Parameter} implementation
 * 
 * @author Christoph Strobl
 */
class SolrParameter extends Parameter {

    private final MethodParameter parameter;

    protected SolrParameter(MethodParameter parameter) {
        super(parameter);
        this.parameter = parameter;
    }

    private Boost getBoostAnnotation() {
        return parameter.getParameterAnnotation(Boost.class);
    }

    private boolean hasBoostAnnotation() {
        return getBoostAnnotation() != null;
    }

    /**
     * if method parameter has {@link Boost} use it
     * 
     * @return Float.NaN by default
     */
    public float getBoost() {
        if (hasBoostAnnotation()) {
            return getBoostAnnotation().value();
        }
        return Float.NaN;
    }
}