Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF 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 org.apache.solr.search.join; import java.util.Map; import org.apache.lucene.search.Sort; import org.apache.lucene.search.SortField; import org.apache.solr.SolrTestCaseJ4; import org.apache.solr.common.SolrException; import org.apache.solr.request.SolrQueryRequest; import org.apache.solr.search.SolrCache; import org.apache.solr.search.SortSpec; import org.apache.solr.search.SortSpecParsing; import org.junit.BeforeClass; import org.junit.Test; public class TestNestedDocsSort extends SolrTestCaseJ4 { @BeforeClass public static void beforeClass() throws Exception { initCore("solrconfig.xml", "schema.xml"); } public void testEquality() { parseAssertEq("childfield(name_s1,$q) asc", "childfield(name_s1,$q) asc"); parseAssertEq("childfield(name_s1,$q) asc", "childfield(name_s1) asc"); parseAssertEq("childfield(name_s1,$q) asc", "childfield(name_s1,) asc"); parseAssertNe("childfield(name_s1,$q) asc", "childfield(name_s1,$q) desc"); parseAssertNe("childfield(name_s1,$q) asc", "childfield(surname_s1,$q) asc"); parseAssertNe("childfield(name_s1,$q) asc", "childfield(surname_s1,$q2) desc"); } public void testEqualityUpToBlockJoin() { parseAssertNe("childfield(name_s1,$q) asc", "childfield(name_s1,$q2) asc"); } @Test(expected = SolrException.class) public void testNotBjqReference() { parse("childfield(name_s1,$notbjq) asc"); } // root cause is swallowed, but it's logged there. @Test(expected = SolrException.class) public void testOmitFieldWithComma() { parse("childfield(,$q) asc"); } @Test(expected = SolrException.class) public void testOmitField() { parse("childfield($q) asc"); } @Test(expected = SolrException.class) public void testForgetEverything() { parse("childfield() asc"); } @Test(expected = SolrException.class) public void testEvenBraces() { parse("childfield asc"); } @Test(expected = SolrException.class) public void testAbsentField() { parse("childfield(NEVER_SEEN_IT,$q) asc"); } @Test(expected = SolrException.class) public void testOmitOrder() { parse("childfield(name_s1,$q)"); } private void parseAssertEq(String sortField, String sortField2) { assertEq(parse(sortField), parse(sortField2)); } private void assertEq(SortField sortField, SortField sortField2) { assertEquals(sortField, sortField2); assertEquals(sortField.hashCode(), sortField2.hashCode()); } private void parseAssertNe(String sortField, String sortField2) { assertFalse(parse(sortField).equals(parse(sortField2))); } private SortField parse(String a) { final SolrQueryRequest req = req("q", "{!parent which=type_s1:parent}whatever_s1:foo", "q2", "{!parent which=type_s1:parent}nomater_s1:what", "notbjq", "foo_s1:bar"); try { final SortSpec spec = SortSpecParsing.parseSortSpec(a, req); assertNull(spec.getSchemaFields().get(0)); final Sort sort = spec.getSort(); final SortField field = sort.getSort()[0]; assertNotNull(field); return field; } finally { req.close(); } } public void testCachehits() { final SolrQueryRequest req = req(); try { final SolrCache cache = req.getSearcher().getCache("perSegFilter"); assertNotNull(cache); final Map<String, Object> state = cache.getMetricsSnapshot(); String lookupsKey = null; for (String key : state.keySet()) { if (key.endsWith(".lookups")) { lookupsKey = key; break; } } Number before = (Number) state.get(lookupsKey); parse("childfield(name_s1,$q) asc"); Number after = (Number) cache.getMetricsSnapshot().get(lookupsKey); assertEquals("parsing bjq lookups parent filter," + "parsing sort spec lookups parent and child filters, " + "hopefully for the purpose", 3, after.intValue() - before.intValue()); } finally { req.close(); } } }