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org.jooq.tools.jdbc.DefaultStatement Maven / Gradle / Ivy
/*
* 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
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* 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.
*
* Other licenses:
* -----------------------------------------------------------------------------
* Commercial licenses for this work are available. These replace the above
* Apache-2.0 license and offer limited warranties, support, maintenance, and
* commercial database integrations.
*
* For more information, please visit: http://www.jooq.org/licenses
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package org.jooq.tools.jdbc;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.SQLWarning;
import java.sql.Statement;
import java.util.function.Supplier;
/**
* A default JDBC Statement implementation delegating all JDBC 4.0 calls to an
* internal delegate.
*
* @author Lukas Eder
*/
public class DefaultStatement extends JDBC41Statement implements Statement {
private final Statement delegate;
private final Connection creator;
private final Supplier errorIfUnsupported;
public DefaultStatement(Statement delegate) {
this(delegate, null, null);
}
public DefaultStatement(Statement delegate, Connection creator) {
this(delegate, creator, null);
}
public DefaultStatement(Statement delegate, Connection creator, Supplier errorIfUnsupported) {
this.delegate = delegate;
this.creator = creator;
this.errorIfUnsupported = errorIfUnsupported;
}
public Statement getDelegate() throws SQLException {
return getDelegateStatement();
}
public Statement getDelegateStatement() throws SQLException {
if (delegate != null || errorIfUnsupported == null)
return delegate;
else
throw errorIfUnsupported.get();
}
// ------------------------------------------------------------------------
// XXX Auxiliary methods
// ------------------------------------------------------------------------
protected ResultSet wrap(ResultSet wrapped) {
// [#8993] Some JDBC drivers produce null ResultSets where they shouldn't.
// This method allows for passing along this null result value
// rather than wrapping it, leading to unrelated NPEs later.
return wrapped == null ? null : new DefaultResultSet(wrapped, this);
}
// ------------------------------------------------------------------------
// XXX Executing the statement
// ------------------------------------------------------------------------
@Override
public boolean execute(String sql) throws SQLException {
return getDelegateStatement().execute(sql);
}
@Override
public boolean execute(String sql, int autoGeneratedKeys) throws SQLException {
return getDelegateStatement().execute(sql, autoGeneratedKeys);
}
@Override
public boolean execute(String sql, int[] columnIndexes) throws SQLException {
return getDelegateStatement().execute(sql, columnIndexes);
}
@Override
public boolean execute(String sql, String[] columnNames) throws SQLException {
return getDelegateStatement().execute(sql, columnNames);
}
@Override
public int[] executeBatch() throws SQLException {
return getDelegateStatement().executeBatch();
}
@Override
public ResultSet executeQuery(String sql) throws SQLException {
return wrap(getDelegateStatement().executeQuery(sql));
}
@Override
public int executeUpdate(String sql) throws SQLException {
return getDelegateStatement().executeUpdate(sql);
}
@Override
public int executeUpdate(String sql, int autoGeneratedKeys) throws SQLException {
return getDelegateStatement().executeUpdate(sql, autoGeneratedKeys);
}
@Override
public int executeUpdate(String sql, int[] columnIndexes) throws SQLException {
return getDelegateStatement().executeUpdate(sql, columnIndexes);
}
@Override
public int executeUpdate(String sql, String[] columnNames) throws SQLException {
return getDelegateStatement().executeUpdate(sql, columnNames);
}
// ------------------------------------------------------------------------
// XXX Other methods
// ------------------------------------------------------------------------
@Override
public T unwrap(Class iface) throws SQLException {
return getDelegateStatement().unwrap(iface);
}
@Override
public boolean isWrapperFor(Class iface) throws SQLException {
return getDelegateStatement().isWrapperFor(iface);
}
@Override
public void close() throws SQLException {
getDelegateStatement().close();
}
@Override
public int getMaxFieldSize() throws SQLException {
return getDelegateStatement().getMaxFieldSize();
}
@Override
public void setMaxFieldSize(int max) throws SQLException {
getDelegateStatement().setMaxFieldSize(max);
}
@Override
public int getMaxRows() throws SQLException {
return getDelegateStatement().getMaxRows();
}
@Override
public void setMaxRows(int max) throws SQLException {
getDelegateStatement().setMaxRows(max);
}
@Override
public void setEscapeProcessing(boolean enable) throws SQLException {
getDelegateStatement().setEscapeProcessing(enable);
}
@Override
public int getQueryTimeout() throws SQLException {
return getDelegateStatement().getQueryTimeout();
}
@Override
public void setQueryTimeout(int seconds) throws SQLException {
getDelegateStatement().setQueryTimeout(seconds);
}
@Override
public void cancel() throws SQLException {
getDelegateStatement().cancel();
}
@Override
public SQLWarning getWarnings() throws SQLException {
return getDelegateStatement().getWarnings();
}
@Override
public void clearWarnings() throws SQLException {
getDelegateStatement().clearWarnings();
}
@Override
public void setCursorName(String name) throws SQLException {
getDelegateStatement().setCursorName(name);
}
@Override
public ResultSet getResultSet() throws SQLException {
return wrap(getDelegateStatement().getResultSet());
}
@Override
public int getUpdateCount() throws SQLException {
return getDelegateStatement().getUpdateCount();
}
@Override
public boolean getMoreResults() throws SQLException {
return getDelegateStatement().getMoreResults();
}
@Override
public void setFetchDirection(int direction) throws SQLException {
getDelegateStatement().setFetchDirection(direction);
}
@Override
public int getFetchDirection() throws SQLException {
return getDelegateStatement().getFetchDirection();
}
@Override
public void setFetchSize(int rows) throws SQLException {
getDelegateStatement().setFetchSize(rows);
}
@Override
public int getFetchSize() throws SQLException {
return getDelegateStatement().getFetchSize();
}
@Override
public int getResultSetConcurrency() throws SQLException {
return getDelegateStatement().getResultSetConcurrency();
}
@Override
public int getResultSetType() throws SQLException {
return getDelegateStatement().getResultSetType();
}
@Override
public void addBatch(String sql) throws SQLException {
getDelegateStatement().addBatch(sql);
}
@Override
public void clearBatch() throws SQLException {
getDelegateStatement().clearBatch();
}
@Override
public Connection getConnection() throws SQLException {
return creator != null ? creator : getDelegateStatement().getConnection();
}
@Override
public boolean getMoreResults(int current) throws SQLException {
return getDelegateStatement().getMoreResults(current);
}
@Override
public ResultSet getGeneratedKeys() throws SQLException {
return wrap(getDelegateStatement().getGeneratedKeys());
}
@Override
public int getResultSetHoldability() throws SQLException {
return getDelegateStatement().getResultSetHoldability();
}
@Override
public boolean isClosed() throws SQLException {
return getDelegateStatement().isClosed();
}
@Override
public void setPoolable(boolean poolable) throws SQLException {
getDelegateStatement().setPoolable(poolable);
}
@Override
public boolean isPoolable() throws SQLException {
return getDelegateStatement().isPoolable();
}
// ------------------------------------------------------------------------
// JDBC 4.1
// ------------------------------------------------------------------------
@Override
public void closeOnCompletion() throws SQLException {
getDelegate().closeOnCompletion();
}
@Override
public boolean isCloseOnCompletion() throws SQLException {
return getDelegate().isCloseOnCompletion();
}
// ------------------------------------------------------------------------
// JDBC 4.2
// ------------------------------------------------------------------------
@Override
public long getLargeUpdateCount() throws SQLException {
return getDelegate().getLargeUpdateCount();
}
@Override
public void setLargeMaxRows(long max) throws SQLException {
getDelegate().setLargeMaxRows(max);
}
@Override
public long getLargeMaxRows() throws SQLException {
return getDelegate().getLargeMaxRows();
}
@Override
public long[] executeLargeBatch() throws SQLException {
return getDelegate().executeLargeBatch();
}
@Override
public long executeLargeUpdate(String sql) throws SQLException {
return getDelegate().executeLargeUpdate(sql);
}
@Override
public long executeLargeUpdate(String sql, int autoGeneratedKeys) throws SQLException {
return getDelegate().executeLargeUpdate(sql, autoGeneratedKeys);
}
@Override
public long executeLargeUpdate(String sql, int[] columnIndexes) throws SQLException {
return getDelegate().executeLargeUpdate(sql, columnIndexes);
}
@Override
public long executeLargeUpdate(String sql, String[] columnNames) throws SQLException {
return getDelegate().executeLargeUpdate(sql, columnNames);
}
// ------------------------------------------------------------------------
// JDBC 4.3
// ------------------------------------------------------------------------
@Override
public String enquoteLiteral(String val) throws SQLException {
return getDelegate().enquoteLiteral(val);
}
@Override
public String enquoteIdentifier(String identifier, boolean alwaysQuote) throws SQLException {
return getDelegate().enquoteIdentifier(identifier, alwaysQuote);
}
@Override
public boolean isSimpleIdentifier(String identifier) throws SQLException {
return getDelegate().isSimpleIdentifier(identifier);
}
@Override
public String enquoteNCharLiteral(String val) throws SQLException {
return getDelegate().enquoteNCharLiteral(val);
}
}
