4.3. 以编程方式映射实体
您可以将实体作为注解 Java 类的替代选择将实体映射到索引。
在以下示例中,我们映射要存储在网格中的对象 Author
,并在两个属性上搜索:
import org.apache.lucene.search.Query; import org.hibernate.search.cfg.Environment; import org.hibernate.search.cfg.SearchMapping; import org.hibernate.search.query.dsl.QueryBuilder; import org.infinispan.Cache; import org.infinispan.configuration.cache.Configuration; import org.infinispan.configuration.cache.ConfigurationBuilder; import org.infinispan.configuration.cache.Index; import org.infinispan.manager.DefaultCacheManager; import org.infinispan.query.CacheQuery; import org.infinispan.query.Search; import org.infinispan.query.SearchManager; import java.io.IOException; import java.lang.annotation.ElementType; import java.util.Properties; SearchMapping mapping = new SearchMapping(); mapping.entity(Author.class).indexed() .property("name", ElementType.METHOD).field() .property("surname", ElementType.METHOD).field(); Properties properties = new Properties(); properties.put(Environment.MODEL_MAPPING, mapping); properties.put("hibernate.search.[other options]", "[...]"); Configuration infinispanConfiguration = new ConfigurationBuilder() .indexing().index(Index.NONE) .withProperties(properties) .build(); DefaultCacheManager cacheManager = new DefaultCacheManager(infinispanConfiguration); Cache<Long, Author> cache = cacheManager.getCache(); SearchManager sm = Search.getSearchManager(cache); Author author = new Author(1, "Manik", "Surtani"); cache.put(author.getId(), author); QueryBuilder qb = sm.buildQueryBuilderForClass(Author.class).get(); Query q = qb.keyword().onField("name").matching("Manik").createQuery(); CacheQuery cq = sm.getQuery(q, Author.class); assert cq.getResultSize() == 1;
import org.apache.lucene.search.Query;
import org.hibernate.search.cfg.Environment;
import org.hibernate.search.cfg.SearchMapping;
import org.hibernate.search.query.dsl.QueryBuilder;
import org.infinispan.Cache;
import org.infinispan.configuration.cache.Configuration;
import org.infinispan.configuration.cache.ConfigurationBuilder;
import org.infinispan.configuration.cache.Index;
import org.infinispan.manager.DefaultCacheManager;
import org.infinispan.query.CacheQuery;
import org.infinispan.query.Search;
import org.infinispan.query.SearchManager;
import java.io.IOException;
import java.lang.annotation.ElementType;
import java.util.Properties;
SearchMapping mapping = new SearchMapping();
mapping.entity(Author.class).indexed()
.property("name", ElementType.METHOD).field()
.property("surname", ElementType.METHOD).field();
Properties properties = new Properties();
properties.put(Environment.MODEL_MAPPING, mapping);
properties.put("hibernate.search.[other options]", "[...]");
Configuration infinispanConfiguration = new ConfigurationBuilder()
.indexing().index(Index.NONE)
.withProperties(properties)
.build();
DefaultCacheManager cacheManager = new DefaultCacheManager(infinispanConfiguration);
Cache<Long, Author> cache = cacheManager.getCache();
SearchManager sm = Search.getSearchManager(cache);
Author author = new Author(1, "Manik", "Surtani");
cache.put(author.getId(), author);
QueryBuilder qb = sm.buildQueryBuilderForClass(Author.class).get();
Query q = qb.keyword().onField("name").matching("Manik").createQuery();
CacheQuery cq = sm.getQuery(q, Author.class);
assert cq.getResultSize() == 1;