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the-algorithm
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src/java/com/twitter/search/earlybird/common/NonPagingAssert.java
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twitter-team
Twitter Recommendation Algorithm
01 апр 2023, 01:36
01 апр 2023, 01:36
ef4c5eb
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package com.twitter.search.earlybird.common; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import com.twitter.search.common.metrics.SearchRateCounter; /** * When incremented, a non-paging alert will be triggered. Use this to assert for bad conditions * that should generally never happen. */ public class NonPagingAssert { private static final Logger LOG = LoggerFactory.getLogger(NonPagingAssert.class); private static final String ASSERT_STAT_PREFIX = "non_paging_assert_"; private final String name; private final SearchRateCounter assertCounter; public NonPagingAssert(String name) { this.name = name; this.assertCounter = SearchRateCounter.export(ASSERT_STAT_PREFIX + name); } public void assertFailed() { LOG.error("NonPagingAssert failed: {}", name); assertCounter.increment(); } public static void assertFailed(String name) { NonPagingAssert nonPagingAssert = new NonPagingAssert(name); nonPagingAssert.assertFailed(); } }