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A JDBC wrapper driver recording JDK Flight Recorder events
package dev.jfr4jdbc;
import dev.jfr4jdbc.event.StatementEvent;
import java.io.InputStream;
import java.io.Reader;
import java.math.BigDecimal;
import java.net.URL;
import java.sql.*;
import java.util.Calendar;
import java.util.Objects;
import java.util.Set;
import java.util.TreeSet;
import java.util.stream.Collectors;
public class JfrPreparedStatement extends JfrStatement implements PreparedStatement {
private PreparedStatement jdbcStatement;
private String sql;
private Set parameters = new TreeSet<>();
public JfrPreparedStatement(PreparedStatement p, String sql) {
this(p, sql, EventFactory.getDefaultEventFactory());
}
public JfrPreparedStatement(PreparedStatement p, String sql, EventFactory factory) {
super(p, factory);
this.sql = sql;
this.jdbcStatement = p;
}
private String parameterToString() {
String parameterStr = this.parameters.stream().map(p -> String.format("%d=%s", p.index, (p.value == null) ? "null" : p.value.toString())).collect(Collectors.joining(", "));
return parameterStr;
}
@Override
public ResultSet executeQuery() throws SQLException {
StatementEvent event = super.createEvent(sql);
event.setPrepared(true);
event.setParameter(this.parameterToString());
this.parameters.clear();
event.begin();
ResultSet rs = null;
try {
rs = this.jdbcStatement.executeQuery();
} catch (SQLException | RuntimeException e) {
throw e;
} finally {
event.commit();
}
return new JfrResultSet(rs);
}
@Override
public int executeUpdate() throws SQLException {
StatementEvent event = super.createEvent(sql);
event.setPrepared(true);
event.setParameter(this.parameterToString());
this.parameters.clear();
event.begin();
int ret = 0;
try {
ret = this.jdbcStatement.executeUpdate();
} catch (SQLException | RuntimeException e) {
throw e;
} finally {
event.commit();
}
return ret;
}
@Override
public boolean execute() throws SQLException {
StatementEvent event = super.createEvent(sql);
event.setPrepared(true);
event.setParameter(this.parameterToString());
this.parameters.clear();
event.begin();
boolean ret = false;
try {
ret = this.jdbcStatement.execute();
} catch (SQLException | RuntimeException e) {
throw e;
} finally {
event.commit();
}
return ret;
}
@Override
public void addBatch() throws SQLException {
this.jdbcStatement.addBatch();
}
@Override
public void setAsciiStream(int parameterIndex, InputStream x, int length) throws SQLException {
this.jdbcStatement.setAsciiStream(parameterIndex, x, length);
this.parameters.add(new Parameter(parameterIndex, x));
}
@SuppressWarnings("deprecation")
@Override
public void setUnicodeStream(int parameterIndex, InputStream x, int length) throws SQLException {
this.jdbcStatement.setUnicodeStream(parameterIndex, x, length);
this.parameters.add(new Parameter(parameterIndex, x));
}
@Override
public void setBinaryStream(int parameterIndex, InputStream x, int length) throws SQLException {
this.jdbcStatement.setBinaryStream(parameterIndex, x, length);
this.parameters.add(new Parameter(parameterIndex, x));
}
@Override
public void clearParameters() throws SQLException {
this.jdbcStatement.clearParameters();
this.parameters.clear();
}
@Override
public void setObject(int parameterIndex, Object x, int targetSqlType) throws SQLException {
this.jdbcStatement.setObject(parameterIndex, x, targetSqlType);
this.parameters.add(new Parameter(parameterIndex, x));
}
@Override
public void setCharacterStream(int parameterIndex, Reader reader, int length) throws SQLException {
this.jdbcStatement.setCharacterStream(parameterIndex, reader, length);
this.parameters.add(new Parameter(parameterIndex, reader));
}
@Override
public void setArray(int parameterIndex, Array x) throws SQLException {
this.jdbcStatement.setArray(parameterIndex, x);
this.parameters.add(new Parameter(parameterIndex, x));
}
@Override
public ResultSetMetaData getMetaData() throws SQLException {
return this.jdbcStatement.getMetaData();
}
@Override
public void setDate(int parameterIndex, Date x, Calendar cal) throws SQLException {
this.jdbcStatement.setDate(parameterIndex, x, cal);
this.parameters.add(new Parameter(parameterIndex, x));
}
@Override
public void setTime(int parameterIndex, Time x, Calendar cal) throws SQLException {
this.jdbcStatement.setTime(parameterIndex, x, cal);
this.parameters.add(new Parameter(parameterIndex, x));
}
@Override
public void setTimestamp(int parameterIndex, Timestamp x, Calendar cal) throws SQLException {
this.jdbcStatement.setTimestamp(parameterIndex, x, cal);
this.parameters.add(new Parameter(parameterIndex, x));
}
@Override
public void setNull(int parameterIndex, int sqlType, String typeName) throws SQLException {
this.jdbcStatement.setNull(parameterIndex, sqlType, typeName);
this.parameters.add(new Parameter(parameterIndex, typeName));
}
@Override
public void setURL(int parameterIndex, URL x) throws SQLException {
this.jdbcStatement.setURL(parameterIndex, x);
this.parameters.add(new Parameter(parameterIndex, x));
}
@Override
public ParameterMetaData getParameterMetaData() throws SQLException {
return this.jdbcStatement.getParameterMetaData();
}
@Override
public void setRowId(int parameterIndex, RowId x) throws SQLException {
this.jdbcStatement.setRowId(parameterIndex, x);
this.parameters.add(new Parameter(parameterIndex, x));
}
@Override
public void setNString(int parameterIndex, String value) throws SQLException {
this.jdbcStatement.setNString(parameterIndex, value);
this.parameters.add(new Parameter(parameterIndex, value));
}
@Override
public void setNCharacterStream(int parameterIndex, Reader value, long length) throws SQLException {
this.jdbcStatement.setNCharacterStream(parameterIndex, value, length);
this.parameters.add(new Parameter(parameterIndex, value));
}
@Override
public void setNClob(int parameterIndex, NClob value) throws SQLException {
this.jdbcStatement.setNClob(parameterIndex, value);
this.parameters.add(new Parameter(parameterIndex, value));
}
@Override
public void setClob(int parameterIndex, Reader reader, long length) throws SQLException {
this.jdbcStatement.setClob(parameterIndex, reader, length);
this.parameters.add(new Parameter(parameterIndex, reader));
}
@Override
public void setBlob(int parameterIndex, InputStream inputStream, long length) throws SQLException {
this.jdbcStatement.setBlob(parameterIndex, inputStream, length);
this.parameters.add(new Parameter(parameterIndex, inputStream));
}
@Override
public void setNClob(int parameterIndex, Reader reader, long length) throws SQLException {
this.jdbcStatement.setNClob(parameterIndex, reader, length);
this.parameters.add(new Parameter(parameterIndex, reader));
}
@Override
public void setSQLXML(int parameterIndex, SQLXML xmlObject) throws SQLException {
this.jdbcStatement.setSQLXML(parameterIndex, xmlObject);
this.parameters.add(new Parameter(parameterIndex, xmlObject));
}
@Override
public void setObject(int parameterIndex, Object x, int targetSqlType, int scaleOrLength) throws SQLException {
this.jdbcStatement.setObject(parameterIndex, x, targetSqlType, scaleOrLength);
this.parameters.add(new Parameter(parameterIndex, x));
}
@Override
public void setAsciiStream(int parameterIndex, InputStream x, long length) throws SQLException {
this.jdbcStatement.setAsciiStream(parameterIndex, x, length);
this.parameters.add(new Parameter(parameterIndex, x));
}
@Override
public void setBinaryStream(int parameterIndex, InputStream x, long length) throws SQLException {
this.jdbcStatement.setBinaryStream(parameterIndex, x, length);
this.parameters.add(new Parameter(parameterIndex, x));
}
@Override
public void setCharacterStream(int parameterIndex, Reader reader, long length) throws SQLException {
this.jdbcStatement.setCharacterStream(parameterIndex, reader, length);
this.parameters.add(new Parameter(parameterIndex, reader));
}
@Override
public void setAsciiStream(int parameterIndex, InputStream x) throws SQLException {
this.jdbcStatement.setAsciiStream(parameterIndex, x);
this.parameters.add(new Parameter(parameterIndex, x));
}
@Override
public void setBinaryStream(int parameterIndex, InputStream x) throws SQLException {
this.jdbcStatement.setBinaryStream(parameterIndex, x);
this.parameters.add(new Parameter(parameterIndex, x));
}
@Override
public void setCharacterStream(int parameterIndex, Reader reader) throws SQLException {
this.jdbcStatement.setCharacterStream(parameterIndex, reader);
this.parameters.add(new Parameter(parameterIndex, reader));
}
@Override
public void setNCharacterStream(int parameterIndex, Reader value) throws SQLException {
this.jdbcStatement.setNCharacterStream(parameterIndex, value);
this.parameters.add(new Parameter(parameterIndex, value));
}
@Override
public void setClob(int parameterIndex, Reader reader) throws SQLException {
this.jdbcStatement.setClob(parameterIndex, reader);
this.parameters.add(new Parameter(parameterIndex, reader));
}
@Override
public void setBlob(int parameterIndex, InputStream inputStream) throws SQLException {
this.jdbcStatement.setBlob(parameterIndex, inputStream);
this.parameters.add(new Parameter(parameterIndex, inputStream));
}
@Override
public void setNClob(int parameterIndex, Reader reader) throws SQLException {
this.jdbcStatement.setNClob(parameterIndex, reader);
this.parameters.add(new Parameter(parameterIndex, reader));
}
@Override
public void setNull(int parameterIndex, int sqlType) throws SQLException {
this.jdbcStatement.setNull(parameterIndex, sqlType);
this.parameters.add(new Parameter(parameterIndex, sqlType));
}
@Override
public void setBoolean(int parameterIndex, boolean x) throws SQLException {
this.jdbcStatement.setBoolean(parameterIndex, x);
this.parameters.add(new Parameter(parameterIndex, x));
}
@Override
public void setByte(int parameterIndex, byte x) throws SQLException {
this.jdbcStatement.setByte(parameterIndex, x);
this.parameters.add(new Parameter(parameterIndex, x));
}
@Override
public void setShort(int parameterIndex, short x) throws SQLException {
this.jdbcStatement.setShort(parameterIndex, x);
this.parameters.add(new Parameter(parameterIndex, x));
}
@Override
public void setInt(int parameterIndex, int x) throws SQLException {
this.jdbcStatement.setInt(parameterIndex, x);
this.parameters.add(new Parameter(parameterIndex, x));
}
@Override
public void setLong(int parameterIndex, long x) throws SQLException {
this.jdbcStatement.setLong(parameterIndex, x);
this.parameters.add(new Parameter(parameterIndex, x));
}
@Override
public void setFloat(int parameterIndex, float x) throws SQLException {
this.jdbcStatement.setFloat(parameterIndex, x);
this.parameters.add(new Parameter(parameterIndex, x));
}
@Override
public void setDouble(int parameterIndex, double x) throws SQLException {
this.jdbcStatement.setDouble(parameterIndex, x);
this.parameters.add(new Parameter(parameterIndex, x));
}
@Override
public void setBigDecimal(int parameterIndex, BigDecimal x) throws SQLException {
this.jdbcStatement.setBigDecimal(parameterIndex, x);
this.parameters.add(new Parameter(parameterIndex, x));
}
@Override
public void setString(int parameterIndex, String x) throws SQLException {
this.jdbcStatement.setString(parameterIndex, x);
this.parameters.add(new Parameter(parameterIndex, x));
}
@Override
public void setDate(int parameterIndex, Date x) throws SQLException {
this.jdbcStatement.setDate(parameterIndex, x);
this.parameters.add(new Parameter(parameterIndex, x));
}
@Override
public void setTime(int parameterIndex, Time x) throws SQLException {
this.jdbcStatement.setTime(parameterIndex, x);
this.parameters.add(new Parameter(parameterIndex, x));
}
@Override
public void setTimestamp(int parameterIndex, Timestamp x) throws SQLException {
this.jdbcStatement.setTimestamp(parameterIndex, x);
this.parameters.add(new Parameter(parameterIndex, x));
}
@Override
public void setObject(int parameterIndex, Object x) throws SQLException {
this.jdbcStatement.setObject(parameterIndex, x);
this.parameters.add(new Parameter(parameterIndex, x));
}
@Override
public void setRef(int parameterIndex, Ref x) throws SQLException {
this.jdbcStatement.setRef(parameterIndex, x);
this.parameters.add(new Parameter(parameterIndex, x));
}
@Override
public void setBlob(int parameterIndex, Blob x) throws SQLException {
this.jdbcStatement.setBlob(parameterIndex, x);
this.parameters.add(new Parameter(parameterIndex, x));
}
@Override
public void setClob(int parameterIndex, Clob x) throws SQLException {
this.jdbcStatement.setClob(parameterIndex, x);
this.parameters.add(new Parameter(parameterIndex, x));
}
@Override
public void setBytes(int parameterIndex, byte[] x) throws SQLException {
this.jdbcStatement.setBytes(parameterIndex, x);
this.parameters.add(new Parameter(parameterIndex, x));
}
@Override
public void setObject(int parameterIndex, Object x, SQLType targetSqlType, int scaleOrLength) throws SQLException {
this.jdbcStatement.setObject(parameterIndex, x, targetSqlType, scaleOrLength);
this.parameters.add(new Parameter(parameterIndex, x));
}
@Override
public void setObject(int parameterIndex, Object x, SQLType targetSqlType) throws SQLException {
this.jdbcStatement.setObject(parameterIndex, x, targetSqlType);
this.parameters.add(new Parameter(parameterIndex, x));
}
@Override
public long executeLargeUpdate() throws SQLException {
return this.jdbcStatement.executeLargeUpdate();
}
class Parameter implements Comparable {
final int index;
final Object value;
public Parameter(int index, Object value) {
this.index = index;
this.value = value;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Parameter parameter = (Parameter) o;
return index == parameter.index;
}
@Override
public int hashCode() {
return Objects.hash(index);
}
@Override
public int compareTo(Parameter o) {
return this.index - o.index;
}
}
}
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