com.frank.search.solr.core.schema.SolrSchemaResolver.java Source code

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/*
 * Copyright 2014 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.core.schema;

import com.frank.search.solr.core.mapping.SolrPersistentEntity;
import org.springframework.data.mapping.PropertyHandler;
import com.frank.search.solr.core.mapping.SolrPersistentProperty;
import org.springframework.util.Assert;
import org.springframework.util.CollectionUtils;

import java.util.Collection;

/**
 * @author Christoph Strobl
 * @since 1.3
 */
public class SolrSchemaResolver {

    public SchemaDefinition resolveSchemaForEntity(SolrPersistentEntity<?> entity) {

        Assert.notNull(entity, "Schema cannot be resolved for 'null'.");

        final SchemaDefinition schemaDefinition = new SchemaDefinition(entity.getSolrCoreName());

        entity.doWithProperties(new PropertyHandler<SolrPersistentProperty>() {

            @Override
            public void doWithPersistentProperty(SolrPersistentProperty persistentProperty) {

                SchemaDefinition.FieldDefinition fieldDefinition = createFieldDefinitionForProperty(
                        persistentProperty);
                if (fieldDefinition != null) {
                    schemaDefinition.addFieldDefinition(fieldDefinition);
                }
            }
        });

        return schemaDefinition;
    }

    protected SchemaDefinition.FieldDefinition createFieldDefinitionForProperty(SolrPersistentProperty property) {

        if (property == null || property.isReadonly() || property.isTransient()) {
            return null;
        }

        SchemaDefinition.FieldDefinition definition = new SchemaDefinition.FieldDefinition(property.getFieldName());
        definition.setMultiValued(property.isMultiValued());
        definition.setIndexed(property.isSearchable());
        definition.setStored(property.isStored());
        definition.setType(property.getSolrTypeName());
        definition.setDefaultValue(property.getDefaultValue());
        definition.setRequired(property.isRequired());

        Collection<String> copyFields = property.getCopyFields();
        if (!CollectionUtils.isEmpty(copyFields)) {
            definition.setCopyFields(copyFields);
        }

        return definition;
    }

}