/*
* Copyright 1999-2015 dangdang.com.
*
* Licensed 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 io.shardingjdbc.core.jdbc.adapter;
import io.shardingjdbc.core.jdbc.unsupported.AbstractUnsupportedOperationConnection;
import lombok.Getter;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.SQLWarning;
import java.util.Collection;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.Map;
/**
* Adapter for {@code Connection}.
*
* @author zhangliang
*/
public abstract class AbstractConnectionAdapter extends AbstractUnsupportedOperationConnection {
@Getter
private final Map cachedConnections = new HashMap<>();
private boolean autoCommit = true;
private boolean readOnly = true;
private boolean closed;
private int transactionIsolation = TRANSACTION_READ_UNCOMMITTED;
@Override
public final boolean getAutoCommit() throws SQLException {
return autoCommit;
}
@Override
public final void setAutoCommit(final boolean autoCommit) throws SQLException {
this.autoCommit = autoCommit;
recordMethodInvocation(Connection.class, "setAutoCommit", new Class[] {boolean.class}, new Object[] {autoCommit});
for (Connection each : cachedConnections.values()) {
each.setAutoCommit(autoCommit);
}
}
@Override
public final void commit() throws SQLException {
Collection exceptions = new LinkedList<>();
for (Connection each : cachedConnections.values()) {
try {
each.commit();
} catch (final SQLException ex) {
exceptions.add(ex);
}
}
throwSQLExceptionIfNecessary(exceptions);
}
@Override
public final void rollback() throws SQLException {
Collection exceptions = new LinkedList<>();
for (Connection each : cachedConnections.values()) {
try {
each.rollback();
} catch (final SQLException ex) {
exceptions.add(ex);
}
}
throwSQLExceptionIfNecessary(exceptions);
}
@Override
public void close() throws SQLException {
closed = true;
Collection exceptions = new LinkedList<>();
for (Connection each : cachedConnections.values()) {
try {
each.close();
} catch (final SQLException ex) {
exceptions.add(ex);
}
}
throwSQLExceptionIfNecessary(exceptions);
}
@Override
public final boolean isClosed() throws SQLException {
return closed;
}
@Override
public final boolean isReadOnly() throws SQLException {
return readOnly;
}
@Override
public final void setReadOnly(final boolean readOnly) throws SQLException {
this.readOnly = readOnly;
recordMethodInvocation(Connection.class, "setReadOnly", new Class[] {boolean.class}, new Object[] {readOnly});
for (Connection each : cachedConnections.values()) {
each.setReadOnly(readOnly);
}
}
@Override
public final int getTransactionIsolation() throws SQLException {
return transactionIsolation;
}
@Override
public final void setTransactionIsolation(final int level) throws SQLException {
transactionIsolation = level;
recordMethodInvocation(Connection.class, "setTransactionIsolation", new Class[] {int.class}, new Object[] {level});
for (Connection each : cachedConnections.values()) {
each.setTransactionIsolation(level);
}
}
// ------- Consist with MySQL driver implementation -------
@Override
public SQLWarning getWarnings() throws SQLException {
return null;
}
@Override
public void clearWarnings() throws SQLException {
}
@Override
public final int getHoldability() throws SQLException {
return ResultSet.CLOSE_CURSORS_AT_COMMIT;
}
@Override
public final void setHoldability(final int holdability) throws SQLException {
}
}