statisticsimpl.java

一个Java持久层类库

	/**
	 * @return entity deletion count
	 */
	public long getEntityDeleteCount() {
		return entityDeleteCount;
	}
	
	/**
	 * @return entity insertion count
	 */
	public long getEntityInsertCount() {
		return entityInsertCount;
	}
	
	/**
	 * @return entity load (from DB)
	 */
	public long getEntityLoadCount() {
		return entityLoadCount;
	}
	
	/**
	 * @return entity fetch (from DB)
	 */
	public long getEntityFetchCount() {
		return entityFetchCount;
	}

	/**
	 * @return entity update
	 */
	public long getEntityUpdateCount() {
		return entityUpdateCount;
	}

	public long getQueryExecutionCount() {
		return queryExecutionCount;
	}
	
	public long getQueryCacheHitCount() {
		return queryCacheHitCount;
	}
	
	public long getQueryCacheMissCount() {
		return queryCacheMissCount;
	}
	
	public long getQueryCachePutCount() {
		return queryCachePutCount;
	}
	
	/**
	 * @return flush
	 */
	public long getFlushCount() {
		return flushCount;
	}
	
	/**
	 * @return session connect
	 */
	public long getConnectCount() {
		return connectCount;
	}

	/**
	 * @return second level cache hit
	 */
	public long getSecondLevelCacheHitCount() {
		return secondLevelCacheHitCount;
	}

	/**
	 * @return second level cache miss
	 */
	public long getSecondLevelCacheMissCount() {
		return secondLevelCacheMissCount;
	}
	
	/**
	 * @return second level cache put
	 */
	public long getSecondLevelCachePutCount() {
		return secondLevelCachePutCount;
	}

	/**
	 * @return session closing
	 */
	public long getSessionCloseCount() {
		return sessionCloseCount;
	}
	
	/**
	 * @return session opening
	 */
	public long getSessionOpenCount() {
		return sessionOpenCount;
	}

	/**
	 * @return collection loading (from DB)
	 */
	public long getCollectionLoadCount() {
		return collectionLoadCount;
	}

	/**
	 * @return collection fetching (from DB)
	 */
	public long getCollectionFetchCount() {
		return collectionFetchCount;
	}
	
	/**
	 * @return collection update
	 */
	public long getCollectionUpdateCount() {
		return collectionUpdateCount;
	}

	/**
	 * @return collection removal
	 * FIXME: even if isInverse="true"?
	 */
	public long getCollectionRemoveCount() {
		return collectionRemoveCount;
	}
	/**
	 * @return collection recreation
	 */
	public long getCollectionRecreateCount() {
		return collectionRecreateCount;
	}

	/**
	 * @return start time in ms (JVM standards {@link System#currentTimeMillis()})
	 */
	public long getStartTime() {
		return startTime;
	}
	
	/**
	 * log in info level the main statistics
	 */
	public void logSummary() {
		log.info("Logging statistics....");
		log.info("start time: " + startTime);
		log.info("sessions opened: " + sessionOpenCount);
		log.info("sessions closed: " + sessionCloseCount);
		log.info("transactions: " + transactionCount);
		log.info("successful transactions: " + commitedTransactionCount);
		log.info("optimistic lock failures: " + optimisticFailureCount);
		log.info("flushes: " + flushCount);
		log.info("connections obtained: " + connectCount);
		log.info("statements prepared: " + prepareStatementCount);
		log.info("statements closed: " + closeStatementCount);
		log.info("second level cache puts: " + secondLevelCachePutCount);
		log.info("second level cache hits: " + secondLevelCacheHitCount);
		log.info("second level cache misses: " + secondLevelCacheMissCount);
		log.info("entities loaded: " + entityLoadCount);
		log.info("entities updated: " + entityUpdateCount);
		log.info("entities inserted: " + entityInsertCount);
		log.info("entities deleted: " + entityDeleteCount);
		log.info("entities fetched (minimize this): " + entityFetchCount);
		log.info("collections loaded: " + collectionLoadCount);
		log.info("collections updated: " + collectionUpdateCount);
		log.info("collections removed: " + collectionRemoveCount);
		log.info("collections recreated: " + collectionRecreateCount);
		log.info("collections fetched (minimize this): " + collectionFetchCount);
		log.info("queries executed to database: " + queryExecutionCount);
		log.info("query cache puts: " + queryCachePutCount);
		log.info("query cache hits: " + queryCacheHitCount);
		log.info("query cache misses: " + queryCacheMissCount);
		log.info("max query time: " + queryExecutionMaxTime + "ms");
	}
	
	/**
	 * Are statistics logged
	 */
	public boolean isStatisticsEnabled() {
		return isStatisticsEnabled;
	}
	
	/**
	 * Enable statistics logs (this is a dynamic parameter)
	 */
	public void setStatisticsEnabled(boolean b) {
		isStatisticsEnabled = b;
	}

	/**
	 * @return Returns the max query execution time,
	 * for all queries
	 */
	public long getQueryExecutionMaxTime() {
		return queryExecutionMaxTime;
	}
	
	/**
	 * Get all executed query strings
	 */
	public String[] getQueries() {
		return ArrayHelper.toStringArray( queryStatistics.keySet() );
	}
	
	/**
	 * Get the names of all entities
	 */
	public String[] getEntityNames() {
		if (sessionFactory==null) {
			return ArrayHelper.toStringArray( entityStatistics.keySet() );
		}
		else {
			return ArrayHelper.toStringArray( sessionFactory.getAllClassMetadata().keySet() );
		}
	}

	/**
	 * Get the names of all collection roles
	 */
	public String[] getCollectionRoleNames() {
		if (sessionFactory==null) {
			return ArrayHelper.toStringArray( collectionStatistics.keySet() );
		}
		else {
			return ArrayHelper.toStringArray( sessionFactory.getAllCollectionMetadata().keySet() );
		}
	}
	
	/**
	 * Get all second-level cache region names
	 */
	public String[] getSecondLevelCacheRegionNames() {
		if (sessionFactory==null) {
			return ArrayHelper.toStringArray( secondLevelCacheStatistics.keySet() );
		}
		else {
			return ArrayHelper.toStringArray( sessionFactory.getAllSecondLevelCacheRegions().keySet() );
		}
	}

	public void endTransaction(boolean success) {
		transactionCount++;
		if (success) commitedTransactionCount++;
	}
	
	public long getSuccessfulTransactionCount() {
		return commitedTransactionCount;
	}
	
	public long getTransactionCount() {
		return transactionCount;
	}

	public void closeStatement() {
		closeStatementCount++;
	}

	public void prepareStatement() {
		prepareStatementCount++;
	}

	public long getCloseStatementCount() {
		return closeStatementCount;
	}

	public long getPrepareStatementCount() {
		return prepareStatementCount;
	}

	public void optimisticFailure(String entityName) {
		optimisticFailureCount++;
		getEntityStatistics(entityName).optimisticFailureCount++;
	}

	public long getOptimisticFailureCount() {
		return optimisticFailureCount;
	}
	public String toString() {
		return new StringBuffer()
			.append("Statistics[")
			.append("start time=").append(startTime)
			.append(",sessions opened=").append(sessionOpenCount)
			.append(",sessions closed=").append(sessionCloseCount)
			.append(",transactions=").append(transactionCount)
			.append(",successful transactions=").append(commitedTransactionCount)
			.append(",optimistic lock failures=").append(optimisticFailureCount)
			.append(",flushes=").append(flushCount)
			.append(",connections obtained=").append(connectCount)
			.append(",statements prepared=").append(prepareStatementCount)
			.append(",statements closed=").append(closeStatementCount)
			.append(",second level cache puts=").append(secondLevelCachePutCount)
			.append(",second level cache hits=").append(secondLevelCacheHitCount)
			.append(",second level cache misses=").append(secondLevelCacheMissCount)
			.append(",entities loaded=").append(entityLoadCount)
			.append(",entities updated=").append(entityUpdateCount)
			.append(",entities inserted=").append(entityInsertCount)
			.append(",entities deleted=").append(entityDeleteCount)
			.append(",entities fetched=").append(entityFetchCount)
			.append(",collections loaded=").append(collectionLoadCount)
			.append(",collections updated=").append(collectionUpdateCount)
			.append(",collections removed=").append(collectionRemoveCount)
			.append(",collections recreated=").append(collectionRecreateCount)
			.append(",collections fetched=").append(collectionFetchCount)
			.append(",queries executed to database=").append(queryExecutionCount)
			.append(",query cache puts=").append(queryCachePutCount)
			.append(",query cache hits=").append(queryCacheHitCount)
			.append(",query cache misses=").append(queryCacheMissCount)
			.append(",max query time=").append(queryExecutionMaxTime)
			.append(']')
			.toString();
	}

	public String getQueryExecutionMaxTimeQueryString() {
		return queryExecutionMaxTimeQueryString;
	}
	
}