mirror of
https://github.com/alibaba/druid.git
synced 2023-03-04 19:17:16 +00:00
refactor DruidDataSource
This commit is contained in:
wenshao
@@ -72,22 +72,22 @@ import com.alibaba.druid.util.JdbcUtils;
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*/
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public abstract class DruidAbstractDataSource extends WrapperAdapter implements DruidAbstractDataSourceMBean, DataSource, DataSourceProxy, Serializable {
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private final static Log LOG = LogFactory.getLog(DruidAbstractDataSource.class);
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private final static Log LOG = LogFactory.getLog(DruidAbstractDataSource.class);
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private static final long serialVersionUID = 1L;
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private static final long serialVersionUID = 1L;
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public final static int DEFAULT_INITIAL_SIZE = 0;
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public final static int DEFAULT_MAX_ACTIVE_SIZE = 8;
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public final static int DEFAULT_MAX_IDLE = 8;
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public final static int DEFAULT_MIN_IDLE = 0;
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public final static int DEFAULT_MAX_WAIT = -1;
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public final static String DEFAULT_VALIDATION_QUERY = null; //
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public final static boolean DEFAULT_TEST_ON_BORROW = true;
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public final static boolean DEFAULT_TEST_ON_RETURN = false;
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public final static boolean DEFAULT_WHILE_IDLE = false;
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public static final long DEFAULT_TIME_BETWEEN_EVICTION_RUNS_MILLIS = -1L;
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public static final long DEFAULT_TIME_BETWEEN_CONNECT_ERROR_MILLIS = 30 * 1000;
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public static final int DEFAULT_NUM_TESTS_PER_EVICTION_RUN = 3;
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public final static int DEFAULT_INITIAL_SIZE = 0;
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public final static int DEFAULT_MAX_ACTIVE_SIZE = 8;
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public final static int DEFAULT_MAX_IDLE = 8;
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public final static int DEFAULT_MIN_IDLE = 0;
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public final static int DEFAULT_MAX_WAIT = -1;
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public final static String DEFAULT_VALIDATION_QUERY = null; //
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public final static boolean DEFAULT_TEST_ON_BORROW = true;
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public final static boolean DEFAULT_TEST_ON_RETURN = false;
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public final static boolean DEFAULT_WHILE_IDLE = false;
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public static final long DEFAULT_TIME_BETWEEN_EVICTION_RUNS_MILLIS = -1L;
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public static final long DEFAULT_TIME_BETWEEN_CONNECT_ERROR_MILLIS = 30 * 1000;
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public static final int DEFAULT_NUM_TESTS_PER_EVICTION_RUN = 3;
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/**
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* The default value for {@link #getMinEvictableIdleTimeMillis}.
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@@ -95,135 +95,134 @@ public abstract class DruidAbstractDataSource extends WrapperAdapter implements
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* @see #getMinEvictableIdleTimeMillis
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* @see #setMinEvictableIdleTimeMillis
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*/
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public static final long DEFAULT_MIN_EVICTABLE_IDLE_TIME_MILLIS = 1000L * 60L * 30L;
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public static final long DEFAULT_MIN_EVICTABLE_IDLE_TIME_MILLIS = 1000L * 60L * 30L;
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protected volatile boolean defaultAutoCommit = true;
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protected volatile Boolean defaultReadOnly;
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protected volatile Integer defaultTransactionIsolation;
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protected volatile String defaultCatalog = null;
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protected volatile boolean defaultAutoCommit = true;
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protected volatile Boolean defaultReadOnly;
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protected volatile Integer defaultTransactionIsolation;
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protected volatile String defaultCatalog = null;
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protected String name;
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protected String name;
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protected volatile String username;
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protected volatile String password;
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protected volatile String jdbcUrl;
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protected volatile String driverClass;
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protected volatile Properties connectProperties = new Properties();
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protected volatile String username;
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protected volatile String password;
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protected volatile String jdbcUrl;
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protected volatile String driverClass;
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protected volatile Properties connectProperties = new Properties();
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protected volatile PasswordCallback passwordCallback;
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protected volatile NameCallback userCallback;
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protected volatile PasswordCallback passwordCallback;
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protected volatile NameCallback userCallback;
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protected volatile int initialSize = DEFAULT_INITIAL_SIZE;
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protected volatile int maxActive = DEFAULT_MAX_ACTIVE_SIZE;
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protected volatile int minIdle = DEFAULT_MIN_IDLE;
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protected volatile int maxIdle = DEFAULT_MAX_IDLE;
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protected volatile long maxWait = DEFAULT_MAX_WAIT;
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protected volatile int initialSize = DEFAULT_INITIAL_SIZE;
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protected volatile int maxActive = DEFAULT_MAX_ACTIVE_SIZE;
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protected volatile int minIdle = DEFAULT_MIN_IDLE;
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protected volatile int maxIdle = DEFAULT_MAX_IDLE;
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protected volatile long maxWait = DEFAULT_MAX_WAIT;
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protected volatile String validationQuery = DEFAULT_VALIDATION_QUERY;
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protected volatile int validationQueryTimeout = -1;
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private volatile boolean testOnBorrow = DEFAULT_TEST_ON_BORROW;
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private volatile boolean testOnReturn = DEFAULT_TEST_ON_RETURN;
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private volatile boolean testWhileIdle = DEFAULT_WHILE_IDLE;
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protected volatile boolean poolPreparedStatements = false;
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protected volatile boolean sharePreparedStatements = false;
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protected volatile int maxPoolPreparedStatementPerConnectionSize = 10;
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protected volatile String validationQuery = DEFAULT_VALIDATION_QUERY;
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protected volatile int validationQueryTimeout = -1;
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private volatile boolean testOnBorrow = DEFAULT_TEST_ON_BORROW;
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private volatile boolean testOnReturn = DEFAULT_TEST_ON_RETURN;
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private volatile boolean testWhileIdle = DEFAULT_WHILE_IDLE;
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protected volatile boolean poolPreparedStatements = false;
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protected volatile boolean sharePreparedStatements = false;
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protected volatile int maxPoolPreparedStatementPerConnectionSize = 10;
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protected volatile boolean inited = false;
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protected volatile boolean inited = false;
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protected PrintWriter logWriter = new PrintWriter(
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System.out);
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protected PrintWriter logWriter = new PrintWriter(System.out);
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protected List<Filter> filters = new CopyOnWriteArrayList<Filter>();
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protected volatile ExceptionSorter exceptionSorter = null;
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protected List<Filter> filters = new CopyOnWriteArrayList<Filter>();
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protected volatile ExceptionSorter exceptionSorter = null;
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protected Driver driver;
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protected Driver driver;
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protected volatile int queryTimeout;
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protected volatile int transactionQueryTimeout;
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protected volatile int queryTimeout;
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protected volatile int transactionQueryTimeout;
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protected long createErrorCount;
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protected long createErrorCount;
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protected long createTimespan;
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protected long createTimespan;
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protected volatile int maxWaitThreadCount = -1;
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protected volatile int maxWaitThreadCount = -1;
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protected volatile boolean accessToUnderlyingConnectionAllowed = true;
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protected volatile boolean accessToUnderlyingConnectionAllowed = true;
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protected volatile long timeBetweenEvictionRunsMillis = DEFAULT_TIME_BETWEEN_EVICTION_RUNS_MILLIS;
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protected volatile long timeBetweenEvictionRunsMillis = DEFAULT_TIME_BETWEEN_EVICTION_RUNS_MILLIS;
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protected volatile int numTestsPerEvictionRun = DEFAULT_NUM_TESTS_PER_EVICTION_RUN;
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protected volatile int numTestsPerEvictionRun = DEFAULT_NUM_TESTS_PER_EVICTION_RUN;
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protected volatile long minEvictableIdleTimeMillis = DEFAULT_MIN_EVICTABLE_IDLE_TIME_MILLIS;
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protected volatile long minEvictableIdleTimeMillis = DEFAULT_MIN_EVICTABLE_IDLE_TIME_MILLIS;
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protected volatile boolean removeAbandoned;
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protected volatile boolean removeAbandoned;
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protected volatile long removeAbandonedTimeoutMillis = 300 * 1000;
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protected volatile long removeAbandonedTimeoutMillis = 300 * 1000;
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protected volatile boolean logAbandoned;
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protected volatile boolean logAbandoned;
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protected volatile int maxOpenPreparedStatements = -1;
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protected volatile int maxOpenPreparedStatements = -1;
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protected volatile List<String> connectionInitSqls;
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protected volatile List<String> connectionInitSqls;
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protected volatile String dbType;
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protected volatile String dbType;
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protected volatile long timeBetweenConnectErrorMillis = DEFAULT_TIME_BETWEEN_CONNECT_ERROR_MILLIS;
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protected volatile long timeBetweenConnectErrorMillis = DEFAULT_TIME_BETWEEN_CONNECT_ERROR_MILLIS;
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protected volatile ValidConnectionChecker validConnectionChecker = null;
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protected volatile ValidConnectionChecker validConnectionChecker = null;
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protected final AtomicLong errorCount = new AtomicLong();
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protected final AtomicLong dupCloseCount = new AtomicLong();
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protected final AtomicLong errorCount = new AtomicLong();
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protected final AtomicLong dupCloseCount = new AtomicLong();
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protected final ConcurrentIdentityHashMap<DruidPooledConnection, ActiveConnectionTraceInfo> activeConnections = new ConcurrentIdentityHashMap<DruidPooledConnection, ActiveConnectionTraceInfo>();
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protected final ActiveConnectionTraceInfoMap activeConnections = new ActiveConnectionTraceInfoMap();
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protected long id;
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protected long id;
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protected final Date createdTime = new Date();
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protected Date initedTime;
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protected final Date createdTime = new Date();
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protected Date initedTime;
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protected int connectionErrorRetryAttempts = 30;
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protected int connectionErrorRetryAttempts = 30;
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protected boolean breakAfterAcquireFailure = false;
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protected boolean breakAfterAcquireFailure = false;
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protected long transactionThresholdMillis = 0L;
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protected long transactionThresholdMillis = 0L;
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protected final AtomicLong commitCount = new AtomicLong();
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protected final AtomicLong startTransactionCount = new AtomicLong();
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protected final AtomicLong rollbackCount = new AtomicLong();
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protected final AtomicLong cachedPreparedStatementHitCount = new AtomicLong();
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protected final AtomicLong preparedStatementCount = new AtomicLong();
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protected final AtomicLong closedPreparedStatementCount = new AtomicLong();
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protected final AtomicLong cachedPreparedStatementCount = new AtomicLong();
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protected final AtomicLong cachedPreparedStatementDeleteCount = new AtomicLong();
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protected final AtomicLong cachedPreparedStatementMissCount = new AtomicLong();
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protected final AtomicLong commitCount = new AtomicLong();
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protected final AtomicLong startTransactionCount = new AtomicLong();
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protected final AtomicLong rollbackCount = new AtomicLong();
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protected final AtomicLong cachedPreparedStatementHitCount = new AtomicLong();
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protected final AtomicLong preparedStatementCount = new AtomicLong();
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protected final AtomicLong closedPreparedStatementCount = new AtomicLong();
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protected final AtomicLong cachedPreparedStatementCount = new AtomicLong();
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protected final AtomicLong cachedPreparedStatementDeleteCount = new AtomicLong();
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protected final AtomicLong cachedPreparedStatementMissCount = new AtomicLong();
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protected final Histogram transactionHistogram = new Histogram(
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10,
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100,
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1000,
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10 * 1000,
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100 * 1000);
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protected final Histogram transactionHistogram = new Histogram(10, 100,
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1000,
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10 * 1000,
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100 * 1000);
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private boolean dupCloseLogEnable = false;
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private boolean dupCloseLogEnable = false;
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private ObjectName objectName;
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private ObjectName objectName;
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private final AtomicLong executeCount = new AtomicLong();
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private final AtomicLong executeCount = new AtomicLong();
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protected Throwable createError;
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protected Throwable lastError;
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protected long lastErrorTimeMillis;
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protected Throwable lastCreateError;
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protected long lastCreateErrorTimeMillis;
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protected Throwable createError;
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protected Throwable lastError;
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protected long lastErrorTimeMillis;
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protected Throwable lastCreateError;
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protected long lastCreateErrorTimeMillis;
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protected boolean isOracle = false;
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protected boolean isOracle = false;
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protected boolean useOracleImplicitCache = true;
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protected boolean useOracleImplicitCache = true;
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protected final ReentrantLock lock = new ReentrantLock(
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true);
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protected final ReentrantLock lock = new ReentrantLock(true);
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protected int modCount = 0;
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protected int modCount = 0;
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protected AtomicLong createCount = new AtomicLong();
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protected AtomicLong destroyCount = new AtomicLong();
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public boolean isOracle() {
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return isOracle;
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@@ -884,9 +883,9 @@ public abstract class DruidAbstractDataSource extends WrapperAdapter implements
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public Properties getConnectProperties() {
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return connectProperties;
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}
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public abstract void setConnectProperties(Properties properties);
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public void setConnectionProperties(String connectionProperties) {
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if (connectionProperties == null || connectionProperties.trim().length() == 0) {
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setConnectProperties(null);
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@@ -909,7 +908,7 @@ public abstract class DruidAbstractDataSource extends WrapperAdapter implements
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}
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}
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}
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setConnectProperties(properties);
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}
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@@ -1208,21 +1207,23 @@ public abstract class DruidAbstractDataSource extends WrapperAdapter implements
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protected abstract void recycle(DruidPooledConnection pooledConnection) throws SQLException;
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abstract void incrementCreateCount();
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public Connection createPhysicalConnection(String url, Properties info) throws SQLException {
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Connection conn;
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if (getProxyFilters().size() == 0) {
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return getDriver().connect(url, info);
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conn = getDriver().connect(url, info);
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} else {
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conn = new FilterChainImpl(this).connection_connect(info);
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}
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return new FilterChainImpl(this).connection_connect(info);
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createCount.incrementAndGet();
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return conn;
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}
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public Connection createConnection() throws SQLException {
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public Connection createPhysicalConnection() throws SQLException {
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String url = this.getUrl();
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Properties info;
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Properties connectProperty = getConnectProperties();
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Properties properties = getConnectProperties();
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String user;
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if (getUserCallback() != null) {
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user = getUserCallback().getName();
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@@ -1237,37 +1238,35 @@ public abstract class DruidAbstractDataSource extends WrapperAdapter implements
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DruidPasswordCallback druidPasswordCallback = (DruidPasswordCallback) passwordCallback;
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druidPasswordCallback.setUrl(url);
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druidPasswordCallback.setProperties(properties);
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druidPasswordCallback.setProperties(connectProperty);
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char[] chars = passwordCallback.getPassword();
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if (chars != null) {
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password = new String(chars);
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}
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}
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info = new Properties(getConnectProperties());
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if (properties != null) {
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info.putAll(properties);
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Properties physicalConnectProperties;
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if (connectProperty != null) {
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physicalConnectProperties = new Properties(connectProperty);
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} else {
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physicalConnectProperties = new Properties();
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}
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if ((!info.contains("user")) && user != null) {
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info.put("user", user);
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if (user != null && user.length() != 0) {
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physicalConnectProperties.put("user", user);
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}
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if ((!info.contains("password")) && password != null) {
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info.put("password", password);
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if (password != null && password.length() != 0) {
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physicalConnectProperties.put("password", password);
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}
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Connection conn;
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if (passwordCallback != null) {
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char[] chars = passwordCallback.getPassword();
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if (chars != null) {
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String callbackPassword = new String(chars);
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info.put("password", callbackPassword);
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}
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}
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long startNano = System.nanoTime();
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try {
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conn = createPhysicalConnection(url, info);
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conn = createPhysicalConnection(url, physicalConnectProperties);
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if (conn == null) {
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throw new SQLException("connect error, url " + url);
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@@ -1297,8 +1296,6 @@ public abstract class DruidAbstractDataSource extends WrapperAdapter implements
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createTimespan += nano;
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}
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incrementCreateCount();
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return conn;
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}
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@@ -1591,4 +1588,7 @@ public abstract class DruidAbstractDataSource extends WrapperAdapter implements
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to.useOracleImplicitCache = this.useOracleImplicitCache;
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}
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// just for code format
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public final static class ActiveConnectionTraceInfoMap extends ConcurrentIdentityHashMap<DruidPooledConnection, ActiveConnectionTraceInfo> {
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}
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}
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@@ -88,8 +88,6 @@ public class DruidDataSource extends DruidAbstractDataSource implements DruidDat
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private long closeCount = 0L;
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private final AtomicLong connectErrorCount = new AtomicLong();
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private long recycleCount = 0L;
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private long createConnectionCount = 0L;
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private long destroyCount = 0L;
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private long removeAbandonedCount = 0L;
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private long notEmptyWaitCount = 0L;
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private long notEmptySignalCount = 0L;
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@@ -167,8 +165,8 @@ public class DruidDataSource extends DruidAbstractDataSource implements DruidDat
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closeCount = 0;
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discardCount = 0;
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recycleCount = 0;
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createConnectionCount = 0;
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destroyCount = 0;
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createCount.set(0);
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destroyCount.set(0);
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removeAbandonedCount = 0;
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notEmptyWaitCount = 0;
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notEmptySignalCount = 0L;
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@@ -399,7 +397,7 @@ public class DruidDataSource extends DruidAbstractDataSource implements DruidDat
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try {
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// 初始化连接
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for (int i = 0, size = getInitialSize(); i < size; ++i) {
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Connection conn = createConnection();
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Connection conn = createPhysicalConnection();
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if (defaultAutoCommit != conn.getAutoCommit()) {
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conn.setAutoCommit(defaultAutoCommit);
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}
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@@ -794,9 +792,10 @@ public class DruidDataSource extends DruidAbstractDataSource implements DruidDat
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if (!validate) {
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JdbcUtils.close(conn);
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destroyCount.incrementAndGet();
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lock.lockInterruptibly();
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try {
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destroyCount++;
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||||
activeCount--;
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||||
closeCount++;
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||||
} finally {
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||||
@@ -817,7 +816,6 @@ public class DruidDataSource extends DruidAbstractDataSource implements DruidDat
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putLast(holder);
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recycleCount++;
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} else {
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destroyCount++;
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activeCount--;
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closeCount++;
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neadDestory = true;
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@@ -827,6 +825,7 @@ public class DruidDataSource extends DruidAbstractDataSource implements DruidDat
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}
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||||
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||||
if (neadDestory) {
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destroyCount.incrementAndGet();
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JdbcUtils.close(conn);
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}
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||||
} catch (Throwable e) {
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@@ -894,7 +893,7 @@ public class DruidDataSource extends DruidAbstractDataSource implements DruidDat
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||||
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||||
JdbcUtils.close(connHolder.getConnection());
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connections[i] = null;
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||||
destroyCount++;
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||||
destroyCount.incrementAndGet();
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||||
} catch (Exception ex) {
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||||
LOG.warn("close connection error", ex);
|
||||
}
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||||
@@ -921,10 +920,6 @@ public class DruidDataSource extends DruidAbstractDataSource implements DruidDat
|
||||
}
|
||||
}
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||||
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||||
void incrementCreateCount() {
|
||||
createConnectionCount++;
|
||||
}
|
||||
|
||||
void putLast(ConnectionHolder e) throws SQLException {
|
||||
if (!enable) {
|
||||
discardConnection(e.getConnection());
|
||||
@@ -1036,11 +1031,11 @@ public class DruidDataSource extends DruidAbstractDataSource implements DruidDat
|
||||
}
|
||||
|
||||
public long getCreateCount() {
|
||||
return createConnectionCount;
|
||||
return createCount.get();
|
||||
}
|
||||
|
||||
public long getDestroyCount() {
|
||||
return destroyCount;
|
||||
return destroyCount.get();
|
||||
}
|
||||
|
||||
public long getConnectCount() {
|
||||
@@ -1144,7 +1139,7 @@ public class DruidDataSource extends DruidAbstractDataSource implements DruidDat
|
||||
Connection connection = null;
|
||||
|
||||
try {
|
||||
connection = createConnection();
|
||||
connection = createPhysicalConnection();
|
||||
} catch (SQLException e) {
|
||||
LOG.error("create connection error", e);
|
||||
|
||||
@@ -1403,7 +1398,7 @@ public class DruidDataSource extends DruidAbstractDataSource implements DruidDat
|
||||
for (ConnectionHolder item : evictList) {
|
||||
Connection connection = item.getConnection();
|
||||
JdbcUtils.close(connection);
|
||||
destroyCount++;
|
||||
destroyCount.incrementAndGet();
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
@@ -26,7 +26,7 @@ import java.util.concurrent.locks.ReentrantLock;
|
||||
* @param <K> the type of keys maintained by this map
|
||||
* @param <V> the type of mapped values
|
||||
*/
|
||||
public final class ConcurrentIdentityHashMap<K, V> extends AbstractMap<K, V> implements ConcurrentMap<K, V> {
|
||||
public class ConcurrentIdentityHashMap<K, V> extends AbstractMap<K, V> implements ConcurrentMap<K, V> {
|
||||
|
||||
/**
|
||||
* The default initial capacity for this table, used when not otherwise specified in a constructor.
|
||||
|
||||
Reference in New Issue
Block a user