net.matrix.sql.AutoRollbackConnection Maven / Gradle / Ivy

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/*
 * 版权所有 2024 Matrix。
 * 保留所有权利。
 */
package net.matrix.sql;

import java.sql.Array;
import java.sql.Blob;
import java.sql.CallableStatement;
import java.sql.Clob;
import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.NClob;
import java.sql.PreparedStatement;
import java.sql.SQLClientInfoException;
import java.sql.SQLException;
import java.sql.SQLWarning;
import java.sql.SQLXML;
import java.sql.Savepoint;
import java.sql.ShardingKey;
import java.sql.Statement;
import java.sql.Struct;
import java.util.Map;
import java.util.Properties;
import java.util.concurrent.Executor;

import javax.annotation.Nonnull;

/**
 * 包装数据库连接，关闭连接时自动回滚事务。
 */
public class AutoRollbackConnection
    implements Connection {
    /**
     * 被包装的数据库连接。
     */
    private final Connection connection;

    /**
     * 构造器，指定被包装的数据库连接。
     *
     * @param connection
     *     被包装的数据库连接。
     */
    public AutoRollbackConnection(@Nonnull Connection connection) {
        this.connection = connection;
    }

    @Override
    public Statement createStatement()
        throws SQLException {
        return connection.createStatement();
    }

    @Override
    public PreparedStatement prepareStatement(String sql)
        throws SQLException {
        return connection.prepareStatement(sql);
    }

    @Override
    public CallableStatement prepareCall(String sql)
        throws SQLException {
        return connection.prepareCall(sql);
    }

    @Override
    public String nativeSQL(String sql)
        throws SQLException {
        return connection.nativeSQL(sql);
    }

    @Override
    public void setAutoCommit(boolean autoCommit)
        throws SQLException {
        connection.setAutoCommit(autoCommit);
    }

    @Override
    public boolean getAutoCommit()
        throws SQLException {
        return connection.getAutoCommit();
    }

    @Override
    public void commit()
        throws SQLException {
        connection.commit();
    }

    @Override
    public void rollback()
        throws SQLException {
        connection.rollback();
    }

    @Override
    public void close()
        throws SQLException {
        if (connection.isClosed()) {
            return;
        }
        if (connection.getAutoCommit()) {
            connection.close();
        } else {
            try {
                connection.rollback();
            } finally {
                connection.close();
            }
        }
    }

    @Override
    public boolean isClosed()
        throws SQLException {
        return connection.isClosed();
    }

    @Override
    public DatabaseMetaData getMetaData()
        throws SQLException {
        return connection.getMetaData();
    }

    @Override
    public void setReadOnly(boolean readOnly)
        throws SQLException {
        connection.setReadOnly(readOnly);
    }

    @Override
    public boolean isReadOnly()
        throws SQLException {
        return connection.isReadOnly();
    }

    @Override
    public void setCatalog(String catalog)
        throws SQLException {
        connection.setCatalog(catalog);
    }

    @Override
    public String getCatalog()
        throws SQLException {
        return connection.getCatalog();
    }

    @Override
    public void setTransactionIsolation(int level)
        throws SQLException {
        connection.setTransactionIsolation(level);
    }

    @Override
    public int getTransactionIsolation()
        throws SQLException {
        return connection.getTransactionIsolation();
    }

    @Override
    public SQLWarning getWarnings()
        throws SQLException {
        return connection.getWarnings();
    }

    @Override
    public void clearWarnings()
        throws SQLException {
        connection.clearWarnings();
    }

    @Override
    public Statement createStatement(int resultSetType, int resultSetConcurrency)
        throws SQLException {
        return connection.createStatement(resultSetType, resultSetConcurrency);
    }

    @Override
    public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency)
        throws SQLException {
        return connection.prepareStatement(sql, resultSetType, resultSetConcurrency);
    }

    @Override
    public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency)
        throws SQLException {
        return connection.prepareCall(sql, resultSetType, resultSetConcurrency);
    }

    @Override
    public Map> getTypeMap()
        throws SQLException {
        return connection.getTypeMap();
    }

    @Override
    public void setTypeMap(Map> map)
        throws SQLException {
        connection.setTypeMap(map);
    }

    @Override
    public void setHoldability(int holdability)
        throws SQLException {
        connection.setHoldability(holdability);
    }

    @Override
    public int getHoldability()
        throws SQLException {
        return connection.getHoldability();
    }

    @Override
    public Savepoint setSavepoint()
        throws SQLException {
        return connection.setSavepoint();
    }

    @Override
    public Savepoint setSavepoint(String name)
        throws SQLException {
        return connection.setSavepoint(name);
    }

    @Override
    public void rollback(Savepoint savepoint)
        throws SQLException {
        connection.rollback(savepoint);
    }

    @Override
    public void releaseSavepoint(Savepoint savepoint)
        throws SQLException {
        connection.releaseSavepoint(savepoint);
    }

    @Override
    public Statement createStatement(int resultSetType, int resultSetConcurrency, int resultSetHoldability)
        throws SQLException {
        return connection.createStatement(resultSetType, resultSetConcurrency, resultSetHoldability);
    }

    @Override
    public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability)
        throws SQLException {
        return connection.prepareStatement(sql, resultSetType, resultSetConcurrency, resultSetHoldability);
    }

    @Override
    public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability)
        throws SQLException {
        return connection.prepareCall(sql, resultSetType, resultSetConcurrency, resultSetHoldability);
    }

    @Override
    public PreparedStatement prepareStatement(String sql, int autoGeneratedKeys)
        throws SQLException {
        return connection.prepareStatement(sql, autoGeneratedKeys);
    }

    @Override
    public PreparedStatement prepareStatement(String sql, int[] columnIndexes)
        throws SQLException {
        return connection.prepareStatement(sql, columnIndexes);
    }

    @Override
    public PreparedStatement prepareStatement(String sql, String[] columnNames)
        throws SQLException {
        return connection.prepareStatement(sql, columnNames);
    }

    @Override
    public Clob createClob()
        throws SQLException {
        return connection.createClob();
    }

    @Override
    public Blob createBlob()
        throws SQLException {
        return connection.createBlob();
    }

    @Override
    public NClob createNClob()
        throws SQLException {
        return connection.createNClob();
    }

    @Override
    public SQLXML createSQLXML()
        throws SQLException {
        return connection.createSQLXML();
    }

    @Override
    public boolean isValid(int timeout)
        throws SQLException {
        return connection.isValid(timeout);
    }

    @Override
    public void setClientInfo(String name, String value)
        throws SQLClientInfoException {
        connection.setClientInfo(name, value);
    }

    @Override
    public void setClientInfo(Properties properties)
        throws SQLClientInfoException {
        connection.setClientInfo(properties);
    }

    @Override
    public String getClientInfo(String name)
        throws SQLException {
        return connection.getClientInfo(name);
    }

    @Override
    public Properties getClientInfo()
        throws SQLException {
        return connection.getClientInfo();
    }

    @Override
    public Array createArrayOf(String typeName, Object[] elements)
        throws SQLException {
        return connection.createArrayOf(typeName, elements);
    }

    @Override
    public Struct createStruct(String typeName, Object[] attributes)
        throws SQLException {
        return connection.createStruct(typeName, attributes);
    }

    @Override
    public void setSchema(String schema)
        throws SQLException {
        connection.setSchema(schema);
    }

    @Override
    public String getSchema()
        throws SQLException {
        return connection.getSchema();
    }

    @Override
    public void abort(Executor executor)
        throws SQLException {
        connection.abort(executor);
    }

    @Override
    public void setNetworkTimeout(Executor executor, int milliseconds)
        throws SQLException {
        connection.setNetworkTimeout(executor, milliseconds);
    }

    @Override
    public int getNetworkTimeout()
        throws SQLException {
        return connection.getNetworkTimeout();
    }

    @Override
    public void beginRequest()
        throws SQLException {
        connection.beginRequest();
    }

    @Override
    public void endRequest()
        throws SQLException {
        connection.endRequest();
    }

    @Override
    public boolean setShardingKeyIfValid(ShardingKey shardingKey, ShardingKey superShardingKey, int timeout)
        throws SQLException {
        return connection.setShardingKeyIfValid(shardingKey, superShardingKey, timeout);
    }

    @Override
    public boolean setShardingKeyIfValid(ShardingKey shardingKey, int timeout)
        throws SQLException {
        return connection.setShardingKeyIfValid(shardingKey, timeout);
    }

    @Override
    public void setShardingKey(ShardingKey shardingKey, ShardingKey superShardingKey)
        throws SQLException {
        connection.setShardingKey(shardingKey, superShardingKey);
    }

    @Override
    public void setShardingKey(ShardingKey shardingKey)
        throws SQLException {
        connection.setShardingKey(shardingKey);
    }

    @Override
    public  T unwrap(Class iface)
        throws SQLException {
        if (iface.isAssignableFrom(connection.getClass())) {
            return (T) connection;
        }
        return connection.unwrap(iface);
    }

    @Override
    public boolean isWrapperFor(Class iface)
        throws SQLException {
        if (iface.isAssignableFrom(connection.getClass())) {
            return true;
        }
        return connection.isWrapperFor(iface);
    }
}