Crawler crawler2 = container.getComponent("crawler");  
crawler2.setSessionId("session2");
crawler2.addUrl("https://site2.com");

// Execute concurrently
crawler1.setBackground(true);
crawler2.setBackground(true);

String sessionId1 = crawler1.execute();
String sessionId2 = crawler2.execute();

crawler1.awaitTermination();
crawler2.awaitTermination();
```

### Custom Interval Control

```java

            crawler2.getCrawlerContext().setMaxAccessCount(maxCount);
            crawler2.getCrawlerContext().setNumOfThread(numOfThread);

            final String sessionId1 = crawler1.execute();
            final String sessionId2 = crawler2.execute();

            assertNotSame(sessionId1, sessionId2);
            assertNotSame(crawler1.crawlerContext, crawler2.crawlerContext);

                    }
                    response = builder.execute().actionGet(settings.getSearchTimeout());
                } else {
                    response = client.prepareSearchScroll(scrollId)
                            .setScroll(settings.getScrollTimeout())
                            .execute()
                            .actionGet(settings.getSearchTimeout());

        assertEquals(1, response.getNum());
        assertEquals("全文 検索", response.getWords().get(0));

        response = suggester.suggest().addKind("query").execute().getResponse();
        assertEquals(1, response.getNum());

        SuggestResponse response2 = suggester.suggest().setSuggestDetail(true).execute().getResponse();

                    return bulkBuilder.execute();
                });
                if (bulkResponse.hasFailures()) {
                    throw new OpenSearchAccessException(bulkResponse.buildFailureMessage());
                }

                final String sid = scrollId;
                response = getClient().get(c -> c.prepareSearchScroll(sid).setScroll(new TimeValue(scrollTimeout)).execute());

                .execute()
                .actionGet()
                .getHits()
                .getTotalHits()
                .value() > 0);
        assertTrue(fesenClient.prepareSearch("fess_crawler.queue")
                .setQuery(QueryBuilders.termQuery("sessionId", "id2"))
                .execute()
                .actionGet()
                .getHits()

                        .addAlias(new Alias(getUpdateAlias(index)))
                        .execute()
                        .actionGet(suggestSettings.getIndicesTimeout());

                client.admin().cluster().prepareHealth().setWaitForYellowStatus().execute().actionGet(suggestSettings.getClusterTimeout());
                created = true;
            }
            return created;

                .setSettings(settings)
                .execute()
                .actionGet(this.settings.getIndicesTimeout());
    }

    /**
     * Deletes the analyzer settings.
     */
    protected void deleteAnalyzerSettings() {
        client.admin().indices().prepareDelete(analyzerSettingsIndexName).execute().actionGet(settings.getIndicesTimeout());
    }

    /**

        this.client = client;
        this.request = request;
    }

    /**
     * Executes the request.
     * @return A Promise that will be resolved with the response or rejected with an error.
     */
    public Deferred<Res>.Promise execute() {
        return request.execute(client);
    }

            SearchResponse response = client.prepareSearch(index)
                    .setQuery(queryBuilder)
                    .setSize(500)
                    .setScroll(settings.getScrollTimeout())
                    .execute()
                    .actionGet(settings.getSearchTimeout());
            String scrollId = response.getScrollId();
            try {
                while (scrollId != null) {