| /* |
| * 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.tomcat.dbcp.dbcp2; |
| |
| import java.sql.Array; |
| import java.sql.Blob; |
| import java.sql.CallableStatement; |
| import java.sql.ClientInfoStatus; |
| import java.sql.Clob; |
| import java.sql.Connection; |
| import java.sql.DatabaseMetaData; |
| import java.sql.NClob; |
| import java.sql.PreparedStatement; |
| import java.sql.ResultSet; |
| import java.sql.SQLClientInfoException; |
| import java.sql.SQLException; |
| import java.sql.SQLWarning; |
| import java.sql.SQLXML; |
| import java.sql.Savepoint; |
| import java.sql.Statement; |
| import java.sql.Struct; |
| import java.util.Collections; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Properties; |
| import java.util.concurrent.Executor; |
| |
| /** |
| * A base delegating implementation of {@link Connection}. |
| * <p> |
| * All of the methods from the {@link Connection} interface |
| * simply check to see that the {@link Connection} is active, |
| * and call the corresponding method on the "delegate" |
| * provided in my constructor. |
| * <p> |
| * Extends AbandonedTrace to implement Connection tracking and |
| * logging of code which created the Connection. Tracking the |
| * Connection ensures that the AbandonedObjectPool can close |
| * this connection and recycle it if its pool of connections |
| * is nearing exhaustion and this connection's last usage is |
| * older than the removeAbandonedTimeout. |
| * |
| * @param <C> the Connection type |
| * |
| * @author Rodney Waldhoff |
| * @author Glenn L. Nielsen |
| * @author James House |
| * @author Dirk Verbeeck |
| * @since 2.0 |
| */ |
| public class DelegatingConnection<C extends Connection> extends AbandonedTrace |
| implements Connection { |
| |
| private static final Map<String, ClientInfoStatus> EMPTY_FAILED_PROPERTIES = |
| Collections.<String, ClientInfoStatus>emptyMap(); |
| |
| /** My delegate {@link Connection}. */ |
| private volatile C _conn = null; |
| |
| private volatile boolean _closed = false; |
| |
| private boolean _cacheState = true; |
| private Boolean _autoCommitCached = null; |
| private Boolean _readOnlyCached = null; |
| private Integer defaultQueryTimeout = null; |
| |
| /** |
| * Create a wrapper for the Connection which traces this |
| * Connection in the AbandonedObjectPool. |
| * |
| * @param c the {@link Connection} to delegate all calls to. |
| */ |
| public DelegatingConnection(final C c) { |
| super(); |
| _conn = c; |
| } |
| |
| |
| /** |
| * Returns a string representation of the metadata associated with |
| * the innermost delegate connection. |
| */ |
| @Override |
| public String toString() { |
| String s = null; |
| |
| final Connection c = this.getInnermostDelegateInternal(); |
| if (c != null) { |
| try { |
| if (c.isClosed()) { |
| s = "connection is closed"; |
| } |
| else { |
| final StringBuffer sb = new StringBuffer(); |
| sb.append(hashCode()); |
| final DatabaseMetaData meta = c.getMetaData(); |
| if (meta != null) { |
| sb.append(", URL="); |
| sb.append(meta.getURL()); |
| sb.append(", UserName="); |
| sb.append(meta.getUserName()); |
| sb.append(", "); |
| sb.append(meta.getDriverName()); |
| s = sb.toString(); |
| } |
| } |
| } |
| catch (final SQLException ex) { |
| // Ignore |
| } |
| } |
| |
| if (s == null) { |
| s = super.toString(); |
| } |
| |
| return s; |
| } |
| |
| /** |
| * Returns my underlying {@link Connection}. |
| * @return my underlying {@link Connection}. |
| */ |
| public C getDelegate() { |
| return getDelegateInternal(); |
| } |
| |
| protected final C getDelegateInternal() { |
| return _conn; |
| } |
| |
| /** |
| * Compares innermost delegate to the given connection. |
| * |
| * @param c connection to compare innermost delegate with |
| * @return true if innermost delegate equals <code>c</code> |
| */ |
| public boolean innermostDelegateEquals(final Connection c) { |
| final Connection innerCon = getInnermostDelegateInternal(); |
| if (innerCon == null) { |
| return c == null; |
| } |
| return innerCon.equals(c); |
| } |
| |
| |
| /** |
| * If my underlying {@link Connection} is not a |
| * {@code DelegatingConnection}, returns it, |
| * otherwise recursively invokes this method on |
| * my delegate. |
| * <p> |
| * Hence this method will return the first |
| * delegate that is not a {@code DelegatingConnection}, |
| * or {@code null} when no non-{@code DelegatingConnection} |
| * delegate can be found by traversing this chain. |
| * <p> |
| * This method is useful when you may have nested |
| * {@code DelegatingConnection}s, and you want to make |
| * sure to obtain a "genuine" {@link Connection}. |
| */ |
| public Connection getInnermostDelegate() { |
| return getInnermostDelegateInternal(); |
| } |
| |
| |
| /** |
| * Although this method is public, it is part of the internal API and should |
| * not be used by clients. The signature of this method may change at any |
| * time including in ways that break backwards compatibility. |
| */ |
| public final Connection getInnermostDelegateInternal() { |
| Connection c = _conn; |
| while(c != null && c instanceof DelegatingConnection) { |
| c = ((DelegatingConnection<?>)c).getDelegateInternal(); |
| if(this == c) { |
| return null; |
| } |
| } |
| return c; |
| } |
| |
| /** Sets my delegate. */ |
| public void setDelegate(final C c) { |
| _conn = c; |
| } |
| |
| /** |
| * Closes the underlying connection, and close any Statements that were not |
| * explicitly closed. Sub-classes that override this method must: |
| * <ol> |
| * <li>Call passivate()</li> |
| * <li>Call close (or the equivalent appropriate action) on the wrapped |
| * connection</li> |
| * <li>Set _closed to <code>false</code></li> |
| * </ol> |
| */ |
| @Override |
| public void close() throws SQLException { |
| if (!_closed) { |
| closeInternal(); |
| } |
| } |
| |
| protected boolean isClosedInternal() { |
| return _closed; |
| } |
| |
| protected void setClosedInternal(final boolean closed) { |
| this._closed = closed; |
| } |
| |
| protected final void closeInternal() throws SQLException { |
| try { |
| passivate(); |
| } finally { |
| if (_conn != null) { |
| try { |
| _conn.close(); |
| } finally { |
| _closed = true; |
| } |
| } else { |
| _closed = true; |
| } |
| } |
| } |
| |
| protected void handleException(final SQLException e) throws SQLException { |
| throw e; |
| } |
| |
| private void initializeStatement(final DelegatingStatement ds) throws SQLException { |
| if (defaultQueryTimeout != null && |
| defaultQueryTimeout.intValue() != ds.getQueryTimeout()) { |
| ds.setQueryTimeout(defaultQueryTimeout.intValue()); |
| } |
| } |
| |
| @Override |
| public Statement createStatement() throws SQLException { |
| checkOpen(); |
| try { |
| final DelegatingStatement ds = |
| new DelegatingStatement(this, _conn.createStatement()); |
| initializeStatement(ds); |
| return ds; |
| } |
| catch (final SQLException e) { |
| handleException(e); |
| return null; |
| } |
| } |
| |
| @Override |
| public Statement createStatement(final int resultSetType, |
| final int resultSetConcurrency) throws SQLException { |
| checkOpen(); |
| try { |
| final DelegatingStatement ds = new DelegatingStatement( |
| this, _conn.createStatement(resultSetType,resultSetConcurrency)); |
| initializeStatement(ds); |
| return ds; |
| } |
| catch (final SQLException e) { |
| handleException(e); |
| return null; |
| } |
| } |
| |
| @Override |
| public PreparedStatement prepareStatement(final String sql) throws SQLException { |
| checkOpen(); |
| try { |
| final DelegatingPreparedStatement dps = new DelegatingPreparedStatement( |
| this, _conn.prepareStatement(sql)); |
| initializeStatement(dps); |
| return dps; |
| } |
| catch (final SQLException e) { |
| handleException(e); |
| return null; |
| } |
| } |
| |
| @Override |
| public PreparedStatement prepareStatement(final String sql, |
| final int resultSetType, |
| final int resultSetConcurrency) throws SQLException { |
| checkOpen(); |
| try { |
| final DelegatingPreparedStatement dps = new DelegatingPreparedStatement( |
| this, _conn.prepareStatement(sql,resultSetType,resultSetConcurrency)); |
| initializeStatement(dps); |
| return dps; |
| } |
| catch (final SQLException e) { |
| handleException(e); |
| return null; |
| } |
| } |
| |
| @Override |
| public CallableStatement prepareCall(final String sql) throws SQLException { |
| checkOpen(); |
| try { |
| final DelegatingCallableStatement dcs = |
| new DelegatingCallableStatement(this, _conn.prepareCall(sql)); |
| initializeStatement(dcs); |
| return dcs; |
| } |
| catch (final SQLException e) { |
| handleException(e); |
| return null; |
| } |
| } |
| |
| @Override |
| public CallableStatement prepareCall(final String sql, |
| final int resultSetType, |
| final int resultSetConcurrency) throws SQLException { |
| checkOpen(); |
| try { |
| final DelegatingCallableStatement dcs = new DelegatingCallableStatement( |
| this, _conn.prepareCall(sql, resultSetType,resultSetConcurrency)); |
| initializeStatement(dcs); |
| return dcs; |
| } |
| catch (final SQLException e) { |
| handleException(e); |
| return null; |
| } |
| } |
| |
| |
| @Override |
| public void clearWarnings() throws SQLException { |
| checkOpen(); |
| try { |
| _conn.clearWarnings(); |
| } catch (final SQLException e) { |
| handleException(e); |
| } |
| } |
| |
| |
| @Override |
| public void commit() throws SQLException { |
| checkOpen(); |
| try { |
| _conn.commit(); |
| } catch (final SQLException e) { |
| handleException(e); |
| } |
| } |
| |
| |
| /** |
| * Returns the state caching flag. |
| * |
| * @return the state caching flag |
| */ |
| public boolean getCacheState() { |
| return _cacheState; |
| } |
| |
| @Override |
| public boolean getAutoCommit() throws SQLException { |
| checkOpen(); |
| if (_cacheState && _autoCommitCached != null) { |
| return _autoCommitCached.booleanValue(); |
| } |
| try { |
| _autoCommitCached = Boolean.valueOf(_conn.getAutoCommit()); |
| return _autoCommitCached.booleanValue(); |
| } catch (final SQLException e) { |
| handleException(e); |
| return false; |
| } |
| } |
| |
| |
| @Override |
| public String getCatalog() throws SQLException { |
| checkOpen(); |
| try { |
| return _conn.getCatalog(); |
| } catch (final SQLException e) { |
| handleException(e); |
| return null; |
| } |
| } |
| |
| |
| @Override |
| public DatabaseMetaData getMetaData() throws SQLException { |
| checkOpen(); |
| try { |
| return new DelegatingDatabaseMetaData(this, _conn.getMetaData()); |
| } catch (final SQLException e) { |
| handleException(e); |
| return null; |
| } |
| } |
| |
| |
| @Override |
| public int getTransactionIsolation() throws SQLException { |
| checkOpen(); |
| try { |
| return _conn.getTransactionIsolation(); |
| } catch (final SQLException e) { |
| handleException(e); |
| return -1; |
| } |
| } |
| |
| |
| @Override |
| public Map<String,Class<?>> getTypeMap() throws SQLException { |
| checkOpen(); |
| try { |
| return _conn.getTypeMap(); |
| } catch (final SQLException e) { |
| handleException(e); |
| return null; |
| } |
| } |
| |
| |
| @Override |
| public SQLWarning getWarnings() throws SQLException { |
| checkOpen(); |
| try { |
| return _conn.getWarnings(); |
| } catch (final SQLException e) { |
| handleException(e); |
| return null; |
| } |
| } |
| |
| |
| @Override |
| public boolean isReadOnly() throws SQLException { |
| checkOpen(); |
| if (_cacheState && _readOnlyCached != null) { |
| return _readOnlyCached.booleanValue(); |
| } |
| try { |
| _readOnlyCached = Boolean.valueOf(_conn.isReadOnly()); |
| return _readOnlyCached.booleanValue(); |
| } catch (final SQLException e) { |
| handleException(e); |
| return false; |
| } |
| } |
| |
| |
| @Override |
| public String nativeSQL(final String sql) throws SQLException { |
| checkOpen(); |
| try { |
| return _conn.nativeSQL(sql); |
| } catch (final SQLException e) { |
| handleException(e); |
| return null; |
| } |
| } |
| |
| |
| @Override |
| public void rollback() throws SQLException { |
| checkOpen(); |
| try { |
| _conn.rollback(); |
| } catch (final SQLException e) { |
| handleException(e); |
| } |
| } |
| |
| |
| /** |
| * Obtain the default query timeout that will be used for {@link Statement}s |
| * created from this connection. <code>null</code> means that the driver |
| * default will be used. |
| */ |
| public Integer getDefaultQueryTimeout() { |
| return defaultQueryTimeout; |
| } |
| |
| |
| /** |
| * Set the default query timeout that will be used for {@link Statement}s |
| * created from this connection. <code>null</code> means that the driver |
| * default will be used. |
| */ |
| public void setDefaultQueryTimeout(final Integer defaultQueryTimeout) { |
| this.defaultQueryTimeout = defaultQueryTimeout; |
| } |
| |
| |
| /** |
| * Sets the state caching flag. |
| * |
| * @param cacheState The new value for the state caching flag |
| */ |
| public void setCacheState(final boolean cacheState) { |
| this._cacheState = cacheState; |
| } |
| |
| /** |
| * Can be used to clear cached state when it is known that the underlying |
| * connection may have been accessed directly. |
| */ |
| public void clearCachedState() { |
| _autoCommitCached = null; |
| _readOnlyCached = null; |
| if (_conn instanceof DelegatingConnection) { |
| ((DelegatingConnection<?>)_conn).clearCachedState(); |
| } |
| } |
| |
| @Override |
| public void setAutoCommit(final boolean autoCommit) throws SQLException { |
| checkOpen(); |
| try { |
| _conn.setAutoCommit(autoCommit); |
| if (_cacheState) { |
| _autoCommitCached = Boolean.valueOf(autoCommit); |
| } |
| } catch (final SQLException e) { |
| _autoCommitCached = null; |
| handleException(e); |
| } |
| } |
| |
| @Override |
| public void setCatalog(final String catalog) throws SQLException |
| { checkOpen(); try { _conn.setCatalog(catalog); } catch (final SQLException e) { handleException(e); } } |
| |
| @Override |
| public void setReadOnly(final boolean readOnly) throws SQLException { |
| checkOpen(); |
| try { |
| _conn.setReadOnly(readOnly); |
| if (_cacheState) { |
| _readOnlyCached = Boolean.valueOf(readOnly); |
| } |
| } catch (final SQLException e) { |
| _readOnlyCached = null; |
| handleException(e); |
| } |
| } |
| |
| |
| @Override |
| public void setTransactionIsolation(final int level) throws SQLException { |
| checkOpen(); |
| try { |
| _conn.setTransactionIsolation(level); |
| } catch (final SQLException e) { |
| handleException(e); |
| } |
| } |
| |
| |
| @Override |
| public void setTypeMap(final Map<String,Class<?>> map) throws SQLException { |
| checkOpen(); |
| try { |
| _conn.setTypeMap(map); |
| } catch (final SQLException e) { |
| handleException(e); |
| } |
| } |
| |
| @Override |
| public boolean isClosed() throws SQLException { |
| return _closed || _conn == null || _conn.isClosed(); |
| } |
| |
| protected void checkOpen() throws SQLException { |
| if(_closed) { |
| if (null != _conn) { |
| String label = ""; |
| try { |
| label = _conn.toString(); |
| } catch (final Exception ex) { |
| // ignore, leave label empty |
| } |
| throw new SQLException |
| ("Connection " + label + " is closed."); |
| } |
| throw new SQLException |
| ("Connection is null."); |
| } |
| } |
| |
| protected void activate() { |
| _closed = false; |
| setLastUsed(); |
| if(_conn instanceof DelegatingConnection) { |
| ((DelegatingConnection<?>)_conn).activate(); |
| } |
| } |
| |
| protected void passivate() throws SQLException { |
| // The JDBC spec requires that a Connection close any open |
| // Statement's when it is closed. |
| // DBCP-288. Not all the traced objects will be statements |
| final List<AbandonedTrace> traces = getTrace(); |
| if(traces != null && traces.size() > 0) { |
| final Iterator<AbandonedTrace> traceIter = traces.iterator(); |
| while (traceIter.hasNext()) { |
| final Object trace = traceIter.next(); |
| if (trace instanceof Statement) { |
| ((Statement) trace).close(); |
| } else if (trace instanceof ResultSet) { |
| // DBCP-265: Need to close the result sets that are |
| // generated via DatabaseMetaData |
| ((ResultSet) trace).close(); |
| } |
| } |
| clearTrace(); |
| } |
| setLastUsed(0); |
| } |
| |
| |
| @Override |
| public int getHoldability() throws SQLException { |
| checkOpen(); |
| try { |
| return _conn.getHoldability(); |
| } catch (final SQLException e) { |
| handleException(e); |
| return 0; |
| } |
| } |
| |
| |
| @Override |
| public void setHoldability(final int holdability) throws SQLException { |
| checkOpen(); |
| try { |
| _conn.setHoldability(holdability); |
| } catch (final SQLException e) { |
| handleException(e); |
| } |
| } |
| |
| |
| @Override |
| public Savepoint setSavepoint() throws SQLException { |
| checkOpen(); |
| try { |
| return _conn.setSavepoint(); |
| } catch (final SQLException e) { |
| handleException(e); |
| return null; |
| } |
| } |
| |
| |
| @Override |
| public Savepoint setSavepoint(final String name) throws SQLException { |
| checkOpen(); |
| try { |
| return _conn.setSavepoint(name); |
| } catch (final SQLException e) { |
| handleException(e); |
| return null; |
| } |
| } |
| |
| |
| @Override |
| public void rollback(final Savepoint savepoint) throws SQLException { |
| checkOpen(); |
| try { |
| _conn.rollback(savepoint); |
| } catch (final SQLException e) { |
| handleException(e); |
| } |
| } |
| |
| |
| @Override |
| public void releaseSavepoint(final Savepoint savepoint) |
| throws SQLException { |
| checkOpen(); |
| try { |
| _conn.releaseSavepoint(savepoint); |
| } catch (final SQLException e) { |
| handleException(e); |
| } |
| } |
| |
| |
| @Override |
| public Statement createStatement(final int resultSetType, |
| final int resultSetConcurrency, |
| final int resultSetHoldability) throws SQLException { |
| checkOpen(); |
| try { |
| final DelegatingStatement ds = new DelegatingStatement(this, |
| _conn.createStatement(resultSetType, resultSetConcurrency, |
| resultSetHoldability)); |
| initializeStatement(ds); |
| return ds; |
| } |
| catch (final SQLException e) { |
| handleException(e); |
| return null; |
| } |
| } |
| |
| @Override |
| public PreparedStatement prepareStatement(final String sql, final int resultSetType, |
| final int resultSetConcurrency, |
| final int resultSetHoldability) throws SQLException { |
| checkOpen(); |
| try { |
| final DelegatingPreparedStatement dps = new DelegatingPreparedStatement( |
| this, _conn.prepareStatement(sql, resultSetType, |
| resultSetConcurrency, resultSetHoldability)); |
| initializeStatement(dps); |
| return dps; |
| } |
| catch (final SQLException e) { |
| handleException(e); |
| return null; |
| } |
| } |
| |
| @Override |
| public CallableStatement prepareCall(final String sql, final int resultSetType, |
| final int resultSetConcurrency, |
| final int resultSetHoldability) throws SQLException { |
| checkOpen(); |
| try { |
| final DelegatingCallableStatement dcs = new DelegatingCallableStatement( |
| this, _conn.prepareCall(sql, resultSetType, |
| resultSetConcurrency, resultSetHoldability)); |
| initializeStatement(dcs); |
| return dcs; |
| } |
| catch (final SQLException e) { |
| handleException(e); |
| return null; |
| } |
| } |
| |
| @Override |
| public PreparedStatement prepareStatement(final String sql, final int autoGeneratedKeys) throws SQLException { |
| checkOpen(); |
| try { |
| final DelegatingPreparedStatement dps = new DelegatingPreparedStatement( |
| this, _conn.prepareStatement(sql, autoGeneratedKeys)); |
| initializeStatement(dps); |
| return dps; |
| } |
| catch (final SQLException e) { |
| handleException(e); |
| return null; |
| } |
| } |
| |
| @Override |
| public PreparedStatement prepareStatement(final String sql, final int columnIndexes[]) throws SQLException { |
| checkOpen(); |
| try { |
| final DelegatingPreparedStatement dps = new DelegatingPreparedStatement( |
| this, _conn.prepareStatement(sql, columnIndexes)); |
| initializeStatement(dps); |
| return dps; |
| } |
| catch (final SQLException e) { |
| handleException(e); |
| return null; |
| } |
| } |
| |
| @Override |
| public PreparedStatement prepareStatement(final String sql, final String columnNames[]) throws SQLException { |
| checkOpen(); |
| try { |
| final DelegatingPreparedStatement dps = new DelegatingPreparedStatement( |
| this, _conn.prepareStatement(sql, columnNames)); |
| initializeStatement(dps); |
| return dps; |
| } |
| catch (final SQLException e) { |
| handleException(e); |
| return null; |
| } |
| } |
| |
| |
| @Override |
| public boolean isWrapperFor(final Class<?> iface) throws SQLException { |
| if (iface.isAssignableFrom(getClass())) { |
| return true; |
| } else if (iface.isAssignableFrom(_conn.getClass())) { |
| return true; |
| } else { |
| return _conn.isWrapperFor(iface); |
| } |
| } |
| |
| @Override |
| public <T> T unwrap(final Class<T> iface) throws SQLException { |
| if (iface.isAssignableFrom(getClass())) { |
| return iface.cast(this); |
| } else if (iface.isAssignableFrom(_conn.getClass())) { |
| return iface.cast(_conn); |
| } else { |
| return _conn.unwrap(iface); |
| } |
| } |
| |
| @Override |
| public Array createArrayOf(final String typeName, final Object[] elements) throws SQLException { |
| checkOpen(); |
| try { |
| return _conn.createArrayOf(typeName, elements); |
| } |
| catch (final SQLException e) { |
| handleException(e); |
| return null; |
| } |
| } |
| |
| @Override |
| public Blob createBlob() throws SQLException { |
| checkOpen(); |
| try { |
| return _conn.createBlob(); |
| } |
| catch (final SQLException e) { |
| handleException(e); |
| return null; |
| } |
| } |
| |
| @Override |
| public Clob createClob() throws SQLException { |
| checkOpen(); |
| try { |
| return _conn.createClob(); |
| } |
| catch (final SQLException e) { |
| handleException(e); |
| return null; |
| } |
| } |
| |
| @Override |
| public NClob createNClob() throws SQLException { |
| checkOpen(); |
| try { |
| return _conn.createNClob(); |
| } |
| catch (final SQLException e) { |
| handleException(e); |
| return null; |
| } |
| } |
| |
| @Override |
| public SQLXML createSQLXML() throws SQLException { |
| checkOpen(); |
| try { |
| return _conn.createSQLXML(); |
| } |
| catch (final SQLException e) { |
| handleException(e); |
| return null; |
| } |
| } |
| |
| @Override |
| public Struct createStruct(final String typeName, final Object[] attributes) throws SQLException { |
| checkOpen(); |
| try { |
| return _conn.createStruct(typeName, attributes); |
| } |
| catch (final SQLException e) { |
| handleException(e); |
| return null; |
| } |
| } |
| |
| @Override |
| public boolean isValid(final int timeout) throws SQLException { |
| if (isClosed()) { |
| return false; |
| } |
| try { |
| return _conn.isValid(timeout); |
| } |
| catch (final SQLException e) { |
| handleException(e); |
| return false; |
| } |
| } |
| |
| @Override |
| public void setClientInfo(final String name, final String value) throws SQLClientInfoException { |
| try { |
| checkOpen(); |
| _conn.setClientInfo(name, value); |
| } |
| catch (final SQLClientInfoException e) { |
| throw e; |
| } |
| catch (final SQLException e) { |
| throw new SQLClientInfoException("Connection is closed.", EMPTY_FAILED_PROPERTIES, e); |
| } |
| } |
| |
| @Override |
| public void setClientInfo(final Properties properties) throws SQLClientInfoException { |
| try { |
| checkOpen(); |
| _conn.setClientInfo(properties); |
| } |
| catch (final SQLClientInfoException e) { |
| throw e; |
| } |
| catch (final SQLException e) { |
| throw new SQLClientInfoException("Connection is closed.", EMPTY_FAILED_PROPERTIES, e); |
| } |
| } |
| |
| @Override |
| public Properties getClientInfo() throws SQLException { |
| checkOpen(); |
| try { |
| return _conn.getClientInfo(); |
| } |
| catch (final SQLException e) { |
| handleException(e); |
| return null; |
| } |
| } |
| |
| @Override |
| public String getClientInfo(final String name) throws SQLException { |
| checkOpen(); |
| try { |
| return _conn.getClientInfo(name); |
| } |
| catch (final SQLException e) { |
| handleException(e); |
| return null; |
| } |
| } |
| |
| @Override |
| public void setSchema(final String schema) throws SQLException { |
| checkOpen(); |
| try { |
| _conn.setSchema(schema); |
| } |
| catch (final SQLException e) { |
| handleException(e); |
| } |
| } |
| |
| @Override |
| public String getSchema() throws SQLException { |
| checkOpen(); |
| try { |
| return _conn.getSchema(); |
| } |
| catch (final SQLException e) { |
| handleException(e); |
| return null; |
| } |
| } |
| |
| @Override |
| public void abort(final Executor executor) throws SQLException { |
| checkOpen(); |
| try { |
| _conn.abort(executor); |
| } |
| catch (final SQLException e) { |
| handleException(e); |
| } |
| } |
| |
| @Override |
| public void setNetworkTimeout(final Executor executor, final int milliseconds) |
| throws SQLException { |
| checkOpen(); |
| try { |
| _conn.setNetworkTimeout(executor, milliseconds); |
| } |
| catch (final SQLException e) { |
| handleException(e); |
| } |
| } |
| |
| @Override |
| public int getNetworkTimeout() throws SQLException { |
| checkOpen(); |
| try { |
| return _conn.getNetworkTimeout(); |
| } |
| catch (final SQLException e) { |
| handleException(e); |
| return 0; |
| } |
| } |
| } |