| /* |
| * 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.handler.component; |
| |
| import org.apache.solr.common.ParWork; |
| import org.apache.solr.common.params.CollectionAdminParams; |
| import org.apache.solr.common.params.ModifiableSolrParams; |
| import org.apache.solr.common.params.SolrParams; |
| import org.apache.solr.core.BlobRepository; |
| import org.apache.solr.core.SolrCore; |
| import org.apache.solr.util.plugin.SolrCoreAware; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.io.BufferedReader; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.InputStreamReader; |
| import java.lang.invoke.MethodHandles; |
| import java.nio.charset.Charset; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.TimeoutException; |
| import java.util.stream.Stream; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| public class ResourceSharingTestComponent extends SearchComponent implements SolrCoreAware { |
| private static final Logger log = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass()); |
| |
| private volatile SolrCore core; |
| private volatile BlobRepository.BlobContent<TestObject> blob; |
| |
| @SuppressWarnings("SynchronizeOnNonFinalField") |
| @Override |
| public void prepare(ResponseBuilder rb) throws IOException { |
| SolrParams params = rb.req.getParams(); |
| ModifiableSolrParams mParams = new ModifiableSolrParams(params); |
| String q = "text:" + getTestObj().getLastCollection(); |
| mParams.set("q", q); // search for the last collection name. |
| // This should cause the param to show up in the response... |
| rb.req.setParams(mParams); |
| getTestObj().setLastCollection(core.getCoreDescriptor().getCollectionName()); |
| } |
| |
| @Override |
| public void process(ResponseBuilder rb) throws IOException {} |
| |
| @Override |
| public String getDescription() { |
| return "ResourceSharingTestComponent"; |
| } |
| |
| @SuppressWarnings("unchecked") |
| TestObject getTestObj() { |
| return this.blob.get(); |
| } |
| |
| @SuppressWarnings("unchecked") |
| @Override |
| public void inform(SolrCore core) { |
| log.info("Informing test component..."); |
| this.core = core; |
| ParWork.getRootSharedExecutor().submit(() -> { |
| try { |
| core.getCoreContainer().getZkController().getZkStateReader().waitForActiveCollection(CollectionAdminParams.SYSTEM_COLL, 5, TimeUnit.SECONDS, 1, 1, false); |
| } catch (TimeoutException e) { |
| log.error("timeout", e); |
| } |
| this.blob = core.loadDecodeAndCacheBlob(getKey(), new DumbCsvDecoder()).blob; |
| }); |
| |
| log.info("Test component informed!"); |
| } |
| |
| private String getKey() { |
| return getResourceName() + "/" + getResourceVersion(); |
| } |
| |
| public String getResourceName() { |
| return "testResource"; |
| } |
| |
| public String getResourceVersion() { |
| return "1"; |
| } |
| |
| class DumbCsvDecoder implements BlobRepository.Decoder<Object> { |
| private final Map<String, String> dict = new HashMap<>(); |
| |
| public DumbCsvDecoder() {} |
| |
| void processSimpleCsvRow(String string) { |
| String[] row = string.split(","); // dumbest csv parser ever... :) |
| getDict().put(row[0], row[1]); |
| } |
| |
| public Map<String, String> getDict() { |
| return dict; |
| } |
| |
| @Override |
| public TestObject decode(InputStream inputStream) { |
| // loading a tiny csv like: |
| // |
| // foo,bar |
| // baz,bam |
| |
| try (Stream<String> lines = new BufferedReader(new InputStreamReader(inputStream, Charset.forName("UTF-8"))).lines()) { |
| lines.forEach(this::processSimpleCsvRow); |
| } catch (Exception e) { |
| log.error("failed to read dictionary {}", getResourceName() ); |
| throw new RuntimeException("Cannot load dictionary " , e); |
| } |
| |
| assertEquals("bar", dict.get("foo")); |
| assertEquals("bam", dict.get("baz")); |
| if (log.isInfoEnabled()) { |
| log.info("Loaded {} using {}", getDict().size(), this.getClass().getClassLoader()); |
| } |
| |
| // if we get here we have seen the data from the blob and all we need is to test that two collections |
| // are able to see the same object.. |
| return new TestObject(); |
| } |
| } |
| |
| |
| public static class TestObject { |
| public static final String NEVER_UPDATED = "never updated"; |
| private volatile String lastCollection = NEVER_UPDATED; |
| |
| public String getLastCollection() { |
| return this.lastCollection; |
| } |
| |
| public void setLastCollection(String lastCollection) { |
| this.lastCollection = lastCollection; |
| } |
| } |
| |
| } |