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com.ajjpj.asysmon.measure.jdbc.ASysMonConnection Maven / Gradle / Ivy
package com.ajjpj.asysmon.measure.jdbc;
import com.ajjpj.asysmon.ASysMonApi;
import com.ajjpj.asysmon.measure.ASimpleMeasurement;
import java.sql.*;
import java.util.Map;
import java.util.Properties;
import java.util.concurrent.Executor;
/**
* @author arno
*/
public class ASysMonConnection implements Connection {
private final Connection inner;
private final ASysMonApi sysMon;
private final String poolIdentifier;
private volatile boolean isActive = false;
private final AConnectionCounter connectionCounter;
public ASysMonConnection(Connection inner, ASysMonApi sysMon, String poolIdentifier, AConnectionCounter connectionCounter) {
this.inner = inner;
this.sysMon = sysMon;
this.poolIdentifier = poolIdentifier;
this.connectionCounter = connectionCounter;
connectionCounter.onOpenConnection(poolIdentifier);
}
private void makeActive() throws SQLException {
if(getAutoCommit()) {
// autocommit invalidates the underlying heuristics of 'active / passive', so we play it safe here
makePassive();
return;
}
if(!isActive) {
connectionCounter.onActivateConnection(poolIdentifier);
isActive = true;
}
}
private void makePassive() {
if(isActive) {
connectionCounter.onPassivateConnection(poolIdentifier);
isActive = false;
}
}
private void onClose() throws SQLException {
if(isActive) {
connectionCounter.onPassivateConnection(poolIdentifier);
}
if(! isClosed()) {
connectionCounter.onCloseConnection(poolIdentifier);
}
}
//------------------- Wrapper interface
@Override public T unwrap(Class iface) throws SQLException {
makeActive();
return inner.unwrap(iface); //TODO wrap this in a dynamic proxy to keep track of non-standard SQL stuff as well?
}
@Override public boolean isWrapperFor(Class iface) throws SQLException {
return inner.isWrapperFor(iface);
}
//------------------- creating statements
@Override public Statement createStatement() throws SQLException {
makeActive();
return wrap(inner.createStatement());
}
@Override public PreparedStatement prepareStatement(String sql) throws SQLException {
makeActive();
return wrap(inner.prepareStatement(sql), sql);
}
@Override public CallableStatement prepareCall(String sql) throws SQLException {
makeActive();
return wrap(inner.prepareCall(sql), sql);
}
@Override public Statement createStatement(int resultSetType, int resultSetConcurrency) throws SQLException {
makeActive();
return wrap(inner.createStatement(resultSetType, resultSetConcurrency));
}
@Override public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency) throws SQLException {
makeActive();
return wrap(inner.prepareStatement(sql, resultSetType, resultSetConcurrency), sql);
}
@Override public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency) throws SQLException {
makeActive();
return wrap(inner.prepareCall(sql, resultSetType, resultSetConcurrency), sql);
}
@Override public Statement createStatement(int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException {
makeActive();
return wrap(inner.createStatement(resultSetType, resultSetConcurrency, resultSetHoldability));
}
@Override public PreparedStatement prepareStatement(String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException {
makeActive();
return wrap(inner.prepareStatement(sql, resultSetType, resultSetConcurrency, resultSetHoldability), sql);
}
@Override public CallableStatement prepareCall(String sql, int resultSetType, int resultSetConcurrency, int resultSetHoldability) throws SQLException {
makeActive();
return wrap(inner.prepareCall(sql, resultSetType, resultSetConcurrency, resultSetHoldability), sql);
}
@Override public PreparedStatement prepareStatement(String sql, int autoGeneratedKeys) throws SQLException {
makeActive();
return wrap(inner.prepareStatement(sql, autoGeneratedKeys), sql);
}
@Override public PreparedStatement prepareStatement(String sql, int[] columnIndexes) throws SQLException {
makeActive();
return wrap(inner.prepareStatement(sql, columnIndexes), sql);
}
@Override public PreparedStatement prepareStatement(String sql, String[] columnNames) throws SQLException {
makeActive();
return wrap(inner.prepareStatement(sql, columnNames), sql);
}
private Statement wrap(Statement stmt) throws SQLException {
makeActive();
return new ASysMonStatement(this, stmt, sysMon);
}
private PreparedStatement wrap(PreparedStatement stmt, String sql) throws SQLException {
makeActive();
return new ASysMonPreparedStatement(this, stmt, sysMon, sql);
}
private CallableStatement wrap(CallableStatement stmt, String sql) throws SQLException {
makeActive();
return new ASysMonCallableStatement(this, stmt, sysMon, sql);
}
//------------------------------- transaction handling
@Override
public void commit() throws SQLException {
makePassive();
final ASimpleMeasurement m = sysMon.start(ASysMonStatement.IDENT_PREFIX_JDBC + "commit");
try {
inner.commit();
}
finally {
m.finish();
}
}
@Override
public void rollback() throws SQLException {
makePassive();
final ASimpleMeasurement m = sysMon.start(ASysMonStatement.IDENT_PREFIX_JDBC + "rollback");
try {
inner.rollback();
} finally {
m.finish();
}
}
@Override
public Savepoint setSavepoint() throws SQLException {
final ASimpleMeasurement m = sysMon.start(ASysMonStatement.IDENT_PREFIX_JDBC + "setSavepoint");
try {
return inner.setSavepoint();
} finally {
m.finish();
}
}
@Override
public Savepoint setSavepoint(String name) throws SQLException {
final ASimpleMeasurement m = sysMon.start(ASysMonStatement.IDENT_PREFIX_JDBC + "setSavepoint");
try {
return inner.setSavepoint(name);
} finally {
m.finish();
}
}
@Override
public void rollback(Savepoint savepoint) throws SQLException {
final ASimpleMeasurement m = sysMon.start(ASysMonStatement.IDENT_PREFIX_JDBC + "rollback");
try {
inner.rollback(savepoint);
} finally {
m.finish();
}
}
@Override
public void releaseSavepoint(Savepoint savepoint) throws SQLException {
final ASimpleMeasurement m = sysMon.start(ASysMonStatement.IDENT_PREFIX_JDBC + "releaseSavepoint");
try {
inner.releaseSavepoint(savepoint);
} finally {
m.finish();
}
}
//------------------- misc / ignored by ASysMon
@Override
public void close() throws SQLException {
onClose();
inner.close();
}
@Override
public String nativeSQL(String sql) throws SQLException {
makeActive();
return inner.nativeSQL(sql);
}
@Override
public void setAutoCommit(boolean autoCommit) throws SQLException {
makeActive();
inner.setAutoCommit(autoCommit);
}
@Override
public boolean getAutoCommit() throws SQLException {
return inner.getAutoCommit();
}
@Override
public boolean isClosed() throws SQLException {
return inner.isClosed();
}
@Override
public DatabaseMetaData getMetaData() throws SQLException {
makeActive();
return inner.getMetaData();
}
@Override
public void setReadOnly(boolean readOnly) throws SQLException {
makeActive();
inner.setReadOnly(readOnly);
}
@Override
public boolean isReadOnly() throws SQLException {
makeActive();
return inner.isReadOnly();
}
@Override
public void setCatalog(String catalog) throws SQLException {
makeActive();
inner.setCatalog(catalog);
}
@Override
public String getCatalog() throws SQLException {
makeActive();
return inner.getCatalog();
}
@Override
public void setTransactionIsolation(int level) throws SQLException {
makeActive();
inner.setTransactionIsolation(level);
}
@Override
public int getTransactionIsolation() throws SQLException {
makeActive();
return inner.getTransactionIsolation();
}
@Override
public SQLWarning getWarnings() throws SQLException {
makeActive();
return inner.getWarnings();
}
@Override
public void clearWarnings() throws SQLException {
makeActive();
inner.clearWarnings();
}
@Override
public Map> getTypeMap() throws SQLException {
makeActive();
return inner.getTypeMap();
}
@Override
public void setTypeMap(Map> map) throws SQLException {
makeActive();
inner.setTypeMap(map);
}
@Override
public void setHoldability(int holdability) throws SQLException {
makeActive();
inner.setHoldability(holdability);
}
@Override
public int getHoldability() throws SQLException {
makeActive();
return inner.getHoldability();
}
@Override
public Clob createClob() throws SQLException {
makeActive();
return inner.createClob();
}
@Override
public Blob createBlob() throws SQLException {
makeActive();
return inner.createBlob();
}
@Override
public NClob createNClob() throws SQLException {
makeActive();
return inner.createNClob();
}
@Override
public SQLXML createSQLXML() throws SQLException {
makeActive();
return inner.createSQLXML();
}
@Override
public boolean isValid(int timeout) throws SQLException {
makeActive();
return inner.isValid(timeout);
}
@Override
public void setClientInfo(String name, String value) throws SQLClientInfoException {
inner.setClientInfo(name, value);
}
@Override
public void setClientInfo(Properties properties) throws SQLClientInfoException {
inner.setClientInfo(properties);
}
@Override
public String getClientInfo(String name) throws SQLException {
makeActive();
return inner.getClientInfo(name);
}
@Override
public Properties getClientInfo() throws SQLException {
makeActive();
return inner.getClientInfo();
}
@Override
public Array createArrayOf(String typeName, Object[] elements) throws SQLException {
makeActive();
return inner.createArrayOf(typeName, elements);
}
@Override
public Struct createStruct(String typeName, Object[] attributes) throws SQLException {
makeActive();
return inner.createStruct(typeName, attributes);
}
// introduced with JDK 1.7
public void setSchema(String schema) throws SQLException {
makeActive();
inner.setSchema(schema);
}
public String getSchema() throws SQLException {
makeActive();
return inner.getSchema();
}
public void abort(Executor executor) throws SQLException {
makeActive();
inner.abort(executor);
}
public void setNetworkTimeout(Executor executor, int milliseconds) throws SQLException {
makeActive();
inner.setNetworkTimeout(executor, milliseconds);
}
public int getNetworkTimeout() throws SQLException {
makeActive();
return inner.getNetworkTimeout();
}
}
