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A quick developing framewort for internet company
/**
* Copyright (C) 2016 - 2030 youtongluan.
*
* 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 org.yx.db.conn;
import java.io.PrintWriter;
import java.sql.Connection;
import java.sql.SQLException;
import java.sql.SQLFeatureNotSupportedException;
import java.util.Objects;
import java.util.logging.Logger;
import javax.sql.DataSource;
import org.yx.db.enums.DBType;
import org.yx.exception.SumkException;
import org.yx.log.Logs;
public class SumkDataSource implements DataSource {
private final String name;
private final DBType type;
private final DataSource proxy;
private boolean enable = true;
public SumkDataSource(String name, DBType type, DataSource ds) {
this.name = Objects.requireNonNull(name);
this.type = Objects.requireNonNull(type);
this.proxy = Objects.requireNonNull(ds);
}
public String getName() {
return name;
}
public DBType getType() {
return type;
}
@Override
public SumkConnection getConnection() throws SQLException {
return new SumkConnection(proxy.getConnection(), this);
}
@Override
public PrintWriter getLogWriter() throws SQLException {
return proxy.getLogWriter();
}
@Override
public void setLogWriter(PrintWriter out) throws SQLException {
proxy.setLogWriter(out);
}
@Override
public void setLoginTimeout(int seconds) throws SQLException {
proxy.setLoginTimeout(seconds);
}
@Override
public int getLoginTimeout() throws SQLException {
return proxy.getLoginTimeout();
}
@Override
public Logger getParentLogger() throws SQLFeatureNotSupportedException {
return proxy.getParentLogger();
}
@Override
public T unwrap(Class iface) throws SQLException {
if (iface == this.getClass()) {
return iface.cast(this);
}
if (iface.isInstance(proxy)) {
return iface.cast(proxy);
}
throw new SumkException(-234345, this.getClass().getSimpleName() + " does not wrap " + iface.getName());
}
@Override
public boolean isWrapperFor(Class> iface) throws SQLException {
return iface == this.getClass() || iface.isInstance(proxy);
}
@Override
public String toString() {
return new StringBuilder("ds[").append(name).append("-")
.append(type.name().startsWith("READ") ? "READ" : type.name()).append("]").toString();
}
@Override
public Connection getConnection(String username, String password) throws SQLException {
return new SumkConnection(proxy.getConnection(username, password), this);
}
public boolean isEnable() {
return enable;
}
public void setEnable(boolean enable) {
this.enable = enable;
}
public boolean close() {
if (!(this.proxy instanceof AutoCloseable)) {
Logs.db().warn("DataSource {} unsupport close", proxy);
return false;
}
try {
AutoCloseable c = (AutoCloseable) proxy;
Logs.db().info("DataSource {} begin closing...", c);
c.close();
Logs.db().info("DataSource {} closed", c);
return true;
} catch (Throwable e) {
Logs.db().error(e.getMessage(), e);
return false;
}
}
}
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