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/**
* Copyright (c) 2009-2014, Data Geekery GmbH (http://www.datageekery.com)
* All rights reserved.
*
* This work is dual-licensed
* - under the Apache Software License 2.0 (the "ASL")
* - under the jOOQ License and Maintenance Agreement (the "jOOQ License")
* =============================================================================
* You may choose which license applies to you:
*
* - If you're using this work with Open Source databases, you may choose
* either ASL or jOOQ License.
* - If you're using this work with at least one commercial database, you must
* choose jOOQ License
*
* For more information, please visit http://www.jooq.org/licenses
*
* Apache Software License 2.0:
* -----------------------------------------------------------------------------
* 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.
*
* jOOQ License and Maintenance Agreement:
* -----------------------------------------------------------------------------
* Data Geekery grants the Customer the non-exclusive, timely limited and
* non-transferable license to install and use the Software under the terms of
* the jOOQ License and Maintenance Agreement.
*
* This library is distributed with a LIMITED WARRANTY. See the jOOQ License
* and Maintenance Agreement for more details: http://www.jooq.org/licensing
*/
package org.jooq.impl;
import static java.lang.Boolean.TRUE;
import static org.jooq.impl.Utils.DATA_LOCK_ROWS_FOR_UPDATE;
import java.io.InputStream;
import java.io.Reader;
import java.math.BigDecimal;
import java.net.URL;
import java.sql.Array;
import java.sql.Blob;
import java.sql.Clob;
import java.sql.Date;
import java.sql.NClob;
import java.sql.Ref;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.RowId;
import java.sql.SQLException;
import java.sql.SQLWarning;
import java.sql.SQLXML;
import java.sql.Statement;
import java.sql.Time;
import java.sql.Timestamp;
import java.util.Calendar;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.NoSuchElementException;
import org.jooq.Cursor;
import org.jooq.ExecuteContext;
import org.jooq.ExecuteListener;
import org.jooq.Field;
import org.jooq.Record;
import org.jooq.RecordHandler;
import org.jooq.RecordMapper;
import org.jooq.RecordType;
import org.jooq.Result;
import org.jooq.Row;
import org.jooq.Table;
import org.jooq.exception.ControlFlowSignal;
import org.jooq.tools.JooqLogger;
import org.jooq.tools.jdbc.JDBC41ResultSet;
import org.jooq.tools.jdbc.JDBCUtils;
/**
* @author Lukas Eder
*/
class CursorImpl implements Cursor {
private static final JooqLogger log = JooqLogger.getLogger(CursorImpl.class);
private final ExecuteContext ctx;
private final ExecuteListener listener;
private final Field[] fields;
private final boolean[] intern;
private final boolean keepResultSet;
private final boolean keepStatement;
private final Class type;
private boolean isClosed;
private transient CursorResultSet rs;
private transient Iterator iterator;
private transient int rows;
@SuppressWarnings("unchecked")
CursorImpl(ExecuteContext ctx, ExecuteListener listener, Field[] fields, int[] internIndexes, boolean keepStatement, boolean keepResultSet) {
this(ctx, listener, fields, internIndexes, keepStatement, keepResultSet, (Class) RecordImpl.class);
}
CursorImpl(ExecuteContext ctx, ExecuteListener listener, Field[] fields, int[] internIndexes, boolean keepStatement, boolean keepResultSet, Class type) {
this.ctx = ctx;
this.listener = (listener != null ? listener : new ExecuteListeners(ctx));
this.fields = fields;
this.type = type;
this.keepStatement = keepStatement;
this.keepResultSet = keepResultSet;
this.rs = new CursorResultSet();
this.intern = new boolean[fields.length];
if (internIndexes != null) {
for (int i : internIndexes) {
intern[i] = true;
}
}
}
@SuppressWarnings({ "unchecked", "rawtypes" })
@Override
public final RecordType recordType() {
return new RowImpl(fields).fields;
}
@SuppressWarnings({ "unchecked", "rawtypes" })
@Override
public final Row fieldsRow() {
return new RowImpl(fields);
}
@Override
public final Field field(Field field) {
return fieldsRow().field(field);
}
@Override
public final Field field(String name) {
return fieldsRow().field(name);
}
@Override
public final Field field(int index) {
return index >= 0 && index < fields.length ? fields[index] : null;
}
@Override
public final Field[] fields() {
return fields.clone();
}
@Override
public final Iterator iterator() {
if (iterator == null) {
iterator = new CursorIterator();
listener.fetchStart(ctx);
}
return iterator;
}
@Override
public final boolean hasNext() {
return iterator().hasNext();
}
@Override
public final Result fetch() {
return fetch(Integer.MAX_VALUE);
}
@Override
public final R fetchOne() {
Result result = fetch(1);
if (result.size() == 1) {
return result.get(0);
}
return null;
}
@Override
public final Result fetch(int number) {
// [#1157] This invokes listener.fetchStart(ctx), which has to be called
// Before listener.resultStart(ctx)
iterator();
ResultImpl result = new ResultImpl(ctx.configuration(), fields);
ctx.result(result);
listener.resultStart(ctx);
for (int i = 0; i < number && iterator().hasNext(); i++) {
result.addRecord(iterator().next());
}
ctx.result(result);
listener.resultEnd(ctx);
return result;
}
@Override
public final > H fetchOneInto(H handler) {
handler.next(fetchOne());
return handler;
}
@Override
public final > H fetchInto(H handler) {
while (hasNext()) {
fetchOneInto(handler);
}
return handler;
}
@Override
public final E fetchOne(RecordMapper mapper) {
return mapper.map(fetchOne());
}
@Override
public final List fetch(RecordMapper mapper) {
return fetch().map(mapper);
}
@Override
public final E fetchOneInto(Class clazz) {
R record = fetchOne();
return record == null ? null : record.into(clazz);
}
@Override
public final List fetchInto(Class clazz) {
return fetch().into(clazz);
}
@Override
public final Z fetchOneInto(Table table) {
return fetchOne().into(table);
}
@Override
public final Result fetchInto(Table table) {
return fetch().into(table);
}
@Override
public final void close() {
JDBCUtils.safeClose(rs);
rs = null;
isClosed = true;
}
@Override
public final boolean isClosed() {
return isClosed;
}
@Override
public final ResultSet resultSet() {
return rs;
}
/**
* A wrapper for the underlying JDBC {@link ResultSet} and {@link Statement}
*/
final class CursorResultSet extends JDBC41ResultSet implements ResultSet {
// ---------------------------------------------------------------------
// XXX: Wrapper methods
// ---------------------------------------------------------------------
@Override
public final T unwrap(Class iface) throws SQLException {
return ctx.resultSet().unwrap(iface);
}
@Override
public final boolean isWrapperFor(Class iface) throws SQLException {
return ctx.resultSet().isWrapperFor(iface);
}
// ---------------------------------------------------------------------
// XXX: Informational methods
// ---------------------------------------------------------------------
@Override
public final Statement getStatement() throws SQLException {
return ctx.resultSet().getStatement();
}
@Override
public final SQLWarning getWarnings() throws SQLException {
return ctx.resultSet().getWarnings();
}
@Override
public final void clearWarnings() throws SQLException {
ctx.resultSet().clearWarnings();
}
@Override
public final String getCursorName() throws SQLException {
return ctx.resultSet().getCursorName();
}
@Override
public final ResultSetMetaData getMetaData() throws SQLException {
return ctx.resultSet().getMetaData();
}
@Override
public final int findColumn(String columnLabel) throws SQLException {
return ctx.resultSet().findColumn(columnLabel);
}
@Override
public final void setFetchDirection(int direction) throws SQLException {
ctx.resultSet().setFetchDirection(direction);
}
@Override
public final int getFetchDirection() throws SQLException {
return ctx.resultSet().getFetchDirection();
}
@Override
public final void setFetchSize(int rows) throws SQLException {
ctx.resultSet().setFetchSize(rows);
}
@Override
public final int getFetchSize() throws SQLException {
return ctx.resultSet().getFetchSize();
}
@Override
public final int getType() throws SQLException {
return ctx.resultSet().getType();
}
@Override
public final int getConcurrency() throws SQLException {
return ctx.resultSet().getConcurrency();
}
@Override
public final int getHoldability() throws SQLException {
return ctx.resultSet().getHoldability();
}
// ---------------------------------------------------------------------
// XXX: Navigational methods
// ---------------------------------------------------------------------
@Override
public final boolean isBeforeFirst() throws SQLException {
return ctx.resultSet().isBeforeFirst();
}
@Override
public final boolean isAfterLast() throws SQLException {
return ctx.resultSet().isAfterLast();
}
@Override
public final boolean isFirst() throws SQLException {
return ctx.resultSet().isFirst();
}
@Override
public final boolean isLast() throws SQLException {
return ctx.resultSet().isLast();
}
@Override
public final boolean next() throws SQLException {
return ctx.resultSet().next();
}
@Override
public final boolean previous() throws SQLException {
return ctx.resultSet().previous();
}
@Override
public final void beforeFirst() throws SQLException {
ctx.resultSet().beforeFirst();
}
@Override
public final void afterLast() throws SQLException {
ctx.resultSet().afterLast();
}
@Override
public final boolean first() throws SQLException {
return ctx.resultSet().first();
}
@Override
public final boolean last() throws SQLException {
return ctx.resultSet().last();
}
@Override
public final int getRow() throws SQLException {
return ctx.resultSet().getRow();
}
@Override
public final boolean absolute(int row) throws SQLException {
return ctx.resultSet().absolute(row);
}
@Override
public final boolean relative(int r) throws SQLException {
return ctx.resultSet().relative(r);
}
@Override
public final void moveToInsertRow() throws SQLException {
ctx.resultSet().moveToInsertRow();
}
@Override
public final void moveToCurrentRow() throws SQLException {
ctx.resultSet().moveToCurrentRow();
}
@Override
public final void close() throws SQLException {
ctx.rows(rows);
listener.fetchEnd(ctx);
// [#1868] If this Result / Cursor was "kept" through a lazy
// execution, we must assure that the ExecuteListener lifecycle is
// correctly terminated.
Utils.safeClose(listener, ctx, keepStatement, keepResultSet);
}
@Override
public final boolean isClosed() throws SQLException {
return ctx.resultSet().isClosed();
}
// ---------------------------------------------------------------------
// XXX: Data retrieval
// ---------------------------------------------------------------------
@Override
public final boolean wasNull() throws SQLException {
return ctx.resultSet().wasNull();
}
@Override
public final Array getArray(int columnIndex) throws SQLException {
return ctx.resultSet().getArray(columnIndex);
}
@Override
public final Array getArray(String columnLabel) throws SQLException {
return ctx.resultSet().getArray(columnLabel);
}
@Override
public final InputStream getAsciiStream(int columnIndex) throws SQLException {
return ctx.resultSet().getAsciiStream(columnIndex);
}
@Override
public final InputStream getAsciiStream(String columnLabel) throws SQLException {
return ctx.resultSet().getAsciiStream(columnLabel);
}
@Override
public final BigDecimal getBigDecimal(int columnIndex) throws SQLException {
return ctx.resultSet().getBigDecimal(columnIndex);
}
@Override
@Deprecated
public final BigDecimal getBigDecimal(int columnIndex, int scale) throws SQLException {
return ctx.resultSet().getBigDecimal(columnIndex, scale);
}
@Override
public final BigDecimal getBigDecimal(String columnLabel) throws SQLException {
return ctx.resultSet().getBigDecimal(columnLabel);
}
@Override
@Deprecated
public final BigDecimal getBigDecimal(String columnLabel, int scale) throws SQLException {
return ctx.resultSet().getBigDecimal(columnLabel, scale);
}
@Override
public final InputStream getBinaryStream(int columnIndex) throws SQLException {
return ctx.resultSet().getBinaryStream(columnIndex);
}
@Override
public final InputStream getBinaryStream(String columnLabel) throws SQLException {
return ctx.resultSet().getBinaryStream(columnLabel);
}
@Override
public final Blob getBlob(int columnIndex) throws SQLException {
return ctx.resultSet().getBlob(columnIndex);
}
@Override
public final Blob getBlob(String columnLabel) throws SQLException {
return ctx.resultSet().getBlob(columnLabel);
}
@Override
public final boolean getBoolean(int columnIndex) throws SQLException {
return ctx.resultSet().getBoolean(columnIndex);
}
@Override
public final boolean getBoolean(String columnLabel) throws SQLException {
return ctx.resultSet().getBoolean(columnLabel);
}
@Override
public final byte getByte(int columnIndex) throws SQLException {
return ctx.resultSet().getByte(columnIndex);
}
@Override
public final byte getByte(String columnLabel) throws SQLException {
return ctx.resultSet().getByte(columnLabel);
}
@Override
public final byte[] getBytes(int columnIndex) throws SQLException {
return ctx.resultSet().getBytes(columnIndex);
}
@Override
public final byte[] getBytes(String columnLabel) throws SQLException {
return ctx.resultSet().getBytes(columnLabel);
}
@Override
public final Reader getCharacterStream(int columnIndex) throws SQLException {
return ctx.resultSet().getCharacterStream(columnIndex);
}
@Override
public final Reader getCharacterStream(String columnLabel) throws SQLException {
return ctx.resultSet().getCharacterStream(columnLabel);
}
@Override
public final Clob getClob(int columnIndex) throws SQLException {
return ctx.resultSet().getClob(columnIndex);
}
@Override
public final Clob getClob(String columnLabel) throws SQLException {
return ctx.resultSet().getClob(columnLabel);
}
@Override
public final Date getDate(int columnIndex) throws SQLException {
return ctx.resultSet().getDate(columnIndex);
}
@Override
public final Date getDate(int columnIndex, Calendar cal) throws SQLException {
return ctx.resultSet().getDate(columnIndex, cal);
}
@Override
public final Date getDate(String columnLabel) throws SQLException {
return ctx.resultSet().getDate(columnLabel);
}
@Override
public final Date getDate(String columnLabel, Calendar cal) throws SQLException {
return ctx.resultSet().getDate(columnLabel, cal);
}
@Override
public final double getDouble(int columnIndex) throws SQLException {
return ctx.resultSet().getDouble(columnIndex);
}
@Override
public final double getDouble(String columnLabel) throws SQLException {
return ctx.resultSet().getDouble(columnLabel);
}
@Override
public final float getFloat(int columnIndex) throws SQLException {
return ctx.resultSet().getFloat(columnIndex);
}
@Override
public final float getFloat(String columnLabel) throws SQLException {
return ctx.resultSet().getFloat(columnLabel);
}
@Override
public final int getInt(int columnIndex) throws SQLException {
return ctx.resultSet().getInt(columnIndex);
}
@Override
public final int getInt(String columnLabel) throws SQLException {
return ctx.resultSet().getInt(columnLabel);
}
@Override
public final long getLong(int columnIndex) throws SQLException {
return ctx.resultSet().getLong(columnIndex);
}
@Override
public final long getLong(String columnLabel) throws SQLException {
return ctx.resultSet().getLong(columnLabel);
}
@Override
public final Reader getNCharacterStream(int columnIndex) throws SQLException {
return ctx.resultSet().getNCharacterStream(columnIndex);
}
@Override
public final Reader getNCharacterStream(String columnLabel) throws SQLException {
return ctx.resultSet().getNCharacterStream(columnLabel);
}
@Override
public final NClob getNClob(int columnIndex) throws SQLException {
return ctx.resultSet().getNClob(columnIndex);
}
@Override
public final NClob getNClob(String columnLabel) throws SQLException {
return ctx.resultSet().getNClob(columnLabel);
}
@Override
public final String getNString(int columnIndex) throws SQLException {
return ctx.resultSet().getNString(columnIndex);
}
@Override
public final String getNString(String columnLabel) throws SQLException {
return ctx.resultSet().getNString(columnLabel);
}
@Override
public final Object getObject(int columnIndex) throws SQLException {
return ctx.resultSet().getObject(columnIndex);
}
@Override
public final Object getObject(int columnIndex, Map> map) throws SQLException {
return ctx.resultSet().getObject(columnIndex, map);
}
@Override
public final Object getObject(String columnLabel) throws SQLException {
return ctx.resultSet().getObject(columnLabel);
}
@Override
public final Object getObject(String columnLabel, Map> map) throws SQLException {
return ctx.resultSet().getObject(columnLabel, map);
}
@Override
public final Ref getRef(int columnIndex) throws SQLException {
return ctx.resultSet().getRef(columnIndex);
}
@Override
public final Ref getRef(String columnLabel) throws SQLException {
return ctx.resultSet().getRef(columnLabel);
}
@Override
public final RowId getRowId(int columnIndex) throws SQLException {
return ctx.resultSet().getRowId(columnIndex);
}
@Override
public final RowId getRowId(String columnLabel) throws SQLException {
return ctx.resultSet().getRowId(columnLabel);
}
@Override
public final short getShort(int columnIndex) throws SQLException {
return ctx.resultSet().getShort(columnIndex);
}
@Override
public final short getShort(String columnLabel) throws SQLException {
return ctx.resultSet().getShort(columnLabel);
}
@Override
public final SQLXML getSQLXML(int columnIndex) throws SQLException {
return ctx.resultSet().getSQLXML(columnIndex);
}
@Override
public final SQLXML getSQLXML(String columnLabel) throws SQLException {
return ctx.resultSet().getSQLXML(columnLabel);
}
@Override
public final String getString(int columnIndex) throws SQLException {
return ctx.resultSet().getString(columnIndex);
}
@Override
public final String getString(String columnLabel) throws SQLException {
return ctx.resultSet().getString(columnLabel);
}
@Override
public final Time getTime(int columnIndex) throws SQLException {
return ctx.resultSet().getTime(columnIndex);
}
@Override
public final Time getTime(int columnIndex, Calendar cal) throws SQLException {
return ctx.resultSet().getTime(columnIndex, cal);
}
@Override
public final Time getTime(String columnLabel) throws SQLException {
return ctx.resultSet().getTime(columnLabel);
}
@Override
public final Time getTime(String columnLabel, Calendar cal) throws SQLException {
return ctx.resultSet().getTime(columnLabel, cal);
}
@Override
public final Timestamp getTimestamp(int columnIndex) throws SQLException {
return ctx.resultSet().getTimestamp(columnIndex);
}
@Override
public final Timestamp getTimestamp(int columnIndex, Calendar cal) throws SQLException {
return ctx.resultSet().getTimestamp(columnIndex, cal);
}
@Override
public final Timestamp getTimestamp(String columnLabel) throws SQLException {
return ctx.resultSet().getTimestamp(columnLabel);
}
@Override
public final Timestamp getTimestamp(String columnLabel, Calendar cal) throws SQLException {
return ctx.resultSet().getTimestamp(columnLabel, cal);
}
@Override
@Deprecated
public final InputStream getUnicodeStream(int columnIndex) throws SQLException {
return ctx.resultSet().getUnicodeStream(columnIndex);
}
@Override
@Deprecated
public final InputStream getUnicodeStream(String columnLabel) throws SQLException {
return ctx.resultSet().getUnicodeStream(columnLabel);
}
@Override
public final URL getURL(int columnIndex) throws SQLException {
return ctx.resultSet().getURL(columnIndex);
}
@Override
public final URL getURL(String columnLabel) throws SQLException {
return ctx.resultSet().getURL(columnLabel);
}
// ---------------------------------------------------------------------
// XXX: Data modification
// ---------------------------------------------------------------------
private final void logUpdate(int columnIndex, Object x) throws SQLException {
if (log.isDebugEnabled()) {
log.debug("Updating Result", "Updating Result position " + getRow() + ":" + columnIndex + " with value " + x);
}
}
private final void logUpdate(String columnLabel, Object x) throws SQLException {
if (log.isDebugEnabled()) {
log.debug("Updating Result", "Updating Result position " + getRow() + ":" + columnLabel + " with value " + x);
}
}
@Override
public final boolean rowUpdated() throws SQLException {
return ctx.resultSet().rowUpdated();
}
@Override
public final boolean rowInserted() throws SQLException {
return ctx.resultSet().rowInserted();
}
@Override
public final boolean rowDeleted() throws SQLException {
return ctx.resultSet().rowDeleted();
}
@Override
public final void insertRow() throws SQLException {
ctx.resultSet().insertRow();
}
@Override
public final void updateRow() throws SQLException {
ctx.resultSet().updateRow();
}
@Override
public final void deleteRow() throws SQLException {
ctx.resultSet().deleteRow();
}
@Override
public final void refreshRow() throws SQLException {
ctx.resultSet().refreshRow();
}
@Override
public final void cancelRowUpdates() throws SQLException {
ctx.resultSet().cancelRowUpdates();
}
@Override
public final void updateNull(int columnIndex) throws SQLException {
logUpdate(columnIndex, null);
ctx.resultSet().updateNull(columnIndex);
}
@Override
public final void updateNull(String columnLabel) throws SQLException {
logUpdate(columnLabel, null);
ctx.resultSet().updateNull(columnLabel);
}
@Override
public final void updateArray(int columnIndex, Array x) throws SQLException {
logUpdate(columnIndex, x);
ctx.resultSet().updateArray(columnIndex, x);
}
@Override
public final void updateArray(String columnLabel, Array x) throws SQLException {
logUpdate(columnLabel, x);
ctx.resultSet().updateArray(columnLabel, x);
}
@Override
public final void updateAsciiStream(int columnIndex, InputStream x) throws SQLException {
logUpdate(columnIndex, x);
ctx.resultSet().updateAsciiStream(columnIndex, x);
}
@Override
public final void updateAsciiStream(int columnIndex, InputStream x, int length) throws SQLException {
logUpdate(columnIndex, x);
ctx.resultSet().updateAsciiStream(columnIndex, x, length);
}
@Override
public final void updateAsciiStream(int columnIndex, InputStream x, long length) throws SQLException {
logUpdate(columnIndex, x);
ctx.resultSet().updateAsciiStream(columnIndex, x, length);
}
@Override
public final void updateAsciiStream(String columnLabel, InputStream x) throws SQLException {
logUpdate(columnLabel, x);
ctx.resultSet().updateAsciiStream(columnLabel, x);
}
@Override
public final void updateAsciiStream(String columnLabel, InputStream x, int length) throws SQLException {
logUpdate(columnLabel, x);
ctx.resultSet().updateAsciiStream(columnLabel, x, length);
}
@Override
public final void updateAsciiStream(String columnLabel, InputStream x, long length) throws SQLException {
logUpdate(columnLabel, x);
ctx.resultSet().updateAsciiStream(columnLabel, x, length);
}
@Override
public final void updateBigDecimal(int columnIndex, BigDecimal x) throws SQLException {
logUpdate(columnIndex, x);
ctx.resultSet().updateBigDecimal(columnIndex, x);
}
@Override
public final void updateBigDecimal(String columnLabel, BigDecimal x) throws SQLException {
logUpdate(columnLabel, x);
ctx.resultSet().updateBigDecimal(columnLabel, x);
}
@Override
public final void updateBinaryStream(int columnIndex, InputStream x) throws SQLException {
logUpdate(columnIndex, x);
ctx.resultSet().updateBinaryStream(columnIndex, x);
}
@Override
public final void updateBinaryStream(int columnIndex, InputStream x, int length) throws SQLException {
logUpdate(columnIndex, x);
ctx.resultSet().updateBinaryStream(columnIndex, x, length);
}
@Override
public final void updateBinaryStream(int columnIndex, InputStream x, long length) throws SQLException {
logUpdate(columnIndex, x);
ctx.resultSet().updateBinaryStream(columnIndex, x, length);
}
@Override
public final void updateBinaryStream(String columnLabel, InputStream x) throws SQLException {
logUpdate(columnLabel, x);
ctx.resultSet().updateBinaryStream(columnLabel, x);
}
@Override
public final void updateBinaryStream(String columnLabel, InputStream x, int length) throws SQLException {
logUpdate(columnLabel, x);
ctx.resultSet().updateBinaryStream(columnLabel, x, length);
}
@Override
public final void updateBinaryStream(String columnLabel, InputStream x, long length) throws SQLException {
logUpdate(columnLabel, x);
ctx.resultSet().updateBinaryStream(columnLabel, x, length);
}
@Override
public final void updateBlob(int columnIndex, Blob x) throws SQLException {
logUpdate(columnIndex, x);
ctx.resultSet().updateBlob(columnIndex, x);
}
@Override
public final void updateBlob(int columnIndex, InputStream x, long length) throws SQLException {
logUpdate(columnIndex, x);
ctx.resultSet().updateBlob(columnIndex, x, length);
}
@Override
public final void updateBlob(String columnLabel, Blob x) throws SQLException {
logUpdate(columnLabel, x);
ctx.resultSet().updateBlob(columnLabel, x);
}
@Override
public final void updateBlob(int columnIndex, InputStream x) throws SQLException {
logUpdate(columnIndex, x);
ctx.resultSet().updateBlob(columnIndex, x);
}
@Override
public final void updateBlob(String columnLabel, InputStream x) throws SQLException {
logUpdate(columnLabel, x);
ctx.resultSet().updateBlob(columnLabel, x);
}
@Override
public final void updateBlob(String columnLabel, InputStream x, long length) throws SQLException {
logUpdate(columnLabel, x);
ctx.resultSet().updateBlob(columnLabel, x, length);
}
@Override
public final void updateBoolean(int columnIndex, boolean x) throws SQLException {
logUpdate(columnIndex, x);
ctx.resultSet().updateBoolean(columnIndex, x);
}
@Override
public final void updateBoolean(String columnLabel, boolean x) throws SQLException {
logUpdate(columnLabel, x);
ctx.resultSet().updateBoolean(columnLabel, x);
}
@Override
public final void updateByte(int columnIndex, byte x) throws SQLException {
logUpdate(columnIndex, x);
ctx.resultSet().updateByte(columnIndex, x);
}
@Override
public final void updateByte(String columnLabel, byte x) throws SQLException {
logUpdate(columnLabel, x);
ctx.resultSet().updateByte(columnLabel, x);
}
@Override
public final void updateBytes(int columnIndex, byte[] x) throws SQLException {
logUpdate(columnIndex, x);
ctx.resultSet().updateBytes(columnIndex, x);
}
@Override
public final void updateBytes(String columnLabel, byte[] x) throws SQLException {
logUpdate(columnLabel, x);
ctx.resultSet().updateBytes(columnLabel, x);
}
@Override
public final void updateCharacterStream(int columnIndex, Reader x) throws SQLException {
logUpdate(columnIndex, x);
ctx.resultSet().updateCharacterStream(columnIndex, x);
}
@Override
public final void updateCharacterStream(int columnIndex, Reader x, int length) throws SQLException {
logUpdate(columnIndex, x);
ctx.resultSet().updateCharacterStream(columnIndex, x, length);
}
@Override
public final void updateCharacterStream(int columnIndex, Reader x, long length) throws SQLException {
logUpdate(columnIndex, x);
ctx.resultSet().updateCharacterStream(columnIndex, x, length);
}
@Override
public final void updateCharacterStream(String columnLabel, Reader x) throws SQLException {
logUpdate(columnLabel, x);
ctx.resultSet().updateCharacterStream(columnLabel, x);
}
@Override
public final void updateCharacterStream(String columnLabel, Reader x, int length) throws SQLException {
logUpdate(columnLabel, x);
ctx.resultSet().updateCharacterStream(columnLabel, x, length);
}
@Override
public final void updateCharacterStream(String columnLabel, Reader x, long length) throws SQLException {
logUpdate(columnLabel, x);
ctx.resultSet().updateCharacterStream(columnLabel, x, length);
}
@Override
public final void updateClob(int columnIndex, Clob x) throws SQLException {
logUpdate(columnIndex, x);
ctx.resultSet().updateClob(columnIndex, x);
}
@Override
public final void updateClob(int columnIndex, Reader x) throws SQLException {
logUpdate(columnIndex, x);
ctx.resultSet().updateClob(columnIndex, x);
}
@Override
public final void updateClob(int columnIndex, Reader x, long length) throws SQLException {
logUpdate(columnIndex, x);
ctx.resultSet().updateClob(columnIndex, x, length);
}
@Override
public final void updateClob(String columnLabel, Clob x) throws SQLException {
logUpdate(columnLabel, x);
ctx.resultSet().updateClob(columnLabel, x);
}
@Override
public final void updateClob(String columnLabel, Reader x) throws SQLException {
logUpdate(columnLabel, x);
ctx.resultSet().updateClob(columnLabel, x);
}
@Override
public final void updateClob(String columnLabel, Reader x, long length) throws SQLException {
logUpdate(columnLabel, x);
ctx.resultSet().updateClob(columnLabel, x, length);
}
@Override
public final void updateDate(int columnIndex, Date x) throws SQLException {
logUpdate(columnIndex, x);
ctx.resultSet().updateDate(columnIndex, x);
}
@Override
public final void updateDate(String columnLabel, Date x) throws SQLException {
logUpdate(columnLabel, x);
ctx.resultSet().updateDate(columnLabel, x);
}
@Override
public final void updateDouble(int columnIndex, double x) throws SQLException {
logUpdate(columnIndex, x);
ctx.resultSet().updateDouble(columnIndex, x);
}
@Override
public final void updateDouble(String columnLabel, double x) throws SQLException {
logUpdate(columnLabel, x);
ctx.resultSet().updateDouble(columnLabel, x);
}
@Override
public final void updateFloat(int columnIndex, float x) throws SQLException {
logUpdate(columnIndex, x);
ctx.resultSet().updateFloat(columnIndex, x);
}
@Override
public final void updateFloat(String columnLabel, float x) throws SQLException {
logUpdate(columnLabel, x);
ctx.resultSet().updateFloat(columnLabel, x);
}
@Override
public final void updateInt(int columnIndex, int x) throws SQLException {
logUpdate(columnIndex, x);
ctx.resultSet().updateInt(columnIndex, x);
}
@Override
public final void updateInt(String columnLabel, int x) throws SQLException {
logUpdate(columnLabel, x);
ctx.resultSet().updateInt(columnLabel, x);
}
@Override
public final void updateLong(int columnIndex, long x) throws SQLException {
logUpdate(columnIndex, x);
ctx.resultSet().updateLong(columnIndex, x);
}
@Override
public final void updateLong(String columnLabel, long x) throws SQLException {
logUpdate(columnLabel, x);
ctx.resultSet().updateLong(columnLabel, x);
}
@Override
public final void updateNCharacterStream(int columnIndex, Reader x) throws SQLException {
logUpdate(columnIndex, x);
ctx.resultSet().updateNCharacterStream(columnIndex, x);
}
@Override
public final void updateNCharacterStream(int columnIndex, Reader x, long length) throws SQLException {
logUpdate(columnIndex, x);
ctx.resultSet().updateNCharacterStream(columnIndex, x, length);
}
@Override
public final void updateNCharacterStream(String columnLabel, Reader x) throws SQLException {
logUpdate(columnLabel, x);
ctx.resultSet().updateNCharacterStream(columnLabel, x);
}
@Override
public final void updateNCharacterStream(String columnLabel, Reader x, long length) throws SQLException {
logUpdate(columnLabel, x);
ctx.resultSet().updateNCharacterStream(columnLabel, x, length);
}
@Override
public final void updateNClob(int columnIndex, NClob x) throws SQLException {
logUpdate(columnIndex, x);
ctx.resultSet().updateNClob(columnIndex, x);
}
@Override
public final void updateNClob(int columnIndex, Reader x, long length) throws SQLException {
logUpdate(columnIndex, x);
ctx.resultSet().updateNClob(columnIndex, x, length);
}
@Override
public final void updateNClob(int columnIndex, Reader x) throws SQLException {
logUpdate(columnIndex, x);
ctx.resultSet().updateNClob(columnIndex, x);
}
@Override
public final void updateNClob(String columnLabel, NClob x) throws SQLException {
logUpdate(columnLabel, x);
ctx.resultSet().updateNClob(columnLabel, x);
}
@Override
public final void updateNClob(String columnLabel, Reader x, long length) throws SQLException {
logUpdate(columnLabel, x);
ctx.resultSet().updateNClob(columnLabel, x, length);
}
@Override
public final void updateNClob(String columnLabel, Reader x) throws SQLException {
logUpdate(columnLabel, x);
ctx.resultSet().updateNClob(columnLabel, x);
}
@Override
public final void updateNString(int columnIndex, String x) throws SQLException {
logUpdate(columnIndex, x);
ctx.resultSet().updateNString(columnIndex, x);
}
@Override
public final void updateNString(String columnLabel, String x) throws SQLException {
logUpdate(columnLabel, x);
ctx.resultSet().updateNString(columnLabel, x);
}
@Override
public final void updateObject(int columnIndex, Object x) throws SQLException {
logUpdate(columnIndex, x);
ctx.resultSet().updateObject(columnIndex, x);
}
@Override
public final void updateObject(int columnIndex, Object x, int scaleOrLength) throws SQLException {
logUpdate(columnIndex, x);
ctx.resultSet().updateObject(columnIndex, x, scaleOrLength);
}
@Override
public final void updateObject(String columnLabel, Object x) throws SQLException {
logUpdate(columnLabel, x);
ctx.resultSet().updateObject(columnLabel, x);
}
@Override
public final void updateObject(String columnLabel, Object x, int scaleOrLength) throws SQLException {
logUpdate(columnLabel, x);
ctx.resultSet().updateObject(columnLabel, x, scaleOrLength);
}
@Override
public final void updateRef(int columnIndex, Ref x) throws SQLException {
logUpdate(columnIndex, x);
ctx.resultSet().updateRef(columnIndex, x);
}
@Override
public final void updateRef(String columnLabel, Ref x) throws SQLException {
logUpdate(columnLabel, x);
ctx.resultSet().updateRef(columnLabel, x);
}
@Override
public final void updateRowId(int columnIndex, RowId x) throws SQLException {
logUpdate(columnIndex, x);
ctx.resultSet().updateRowId(columnIndex, x);
}
@Override
public final void updateRowId(String columnLabel, RowId x) throws SQLException {
logUpdate(columnLabel, x);
ctx.resultSet().updateRowId(columnLabel, x);
}
@Override
public final void updateShort(int columnIndex, short x) throws SQLException {
logUpdate(columnIndex, x);
ctx.resultSet().updateShort(columnIndex, x);
}
@Override
public final void updateShort(String columnLabel, short x) throws SQLException {
logUpdate(columnLabel, x);
ctx.resultSet().updateShort(columnLabel, x);
}
@Override
public final void updateSQLXML(int columnIndex, SQLXML x) throws SQLException {
logUpdate(columnIndex, x);
ctx.resultSet().updateSQLXML(columnIndex, x);
}
@Override
public final void updateSQLXML(String columnLabel, SQLXML x) throws SQLException {
logUpdate(columnLabel, x);
ctx.resultSet().updateSQLXML(columnLabel, x);
}
@Override
public final void updateString(int columnIndex, String x) throws SQLException {
logUpdate(columnIndex, x);
ctx.resultSet().updateString(columnIndex, x);
}
@Override
public final void updateString(String columnLabel, String x) throws SQLException {
logUpdate(columnLabel, x);
ctx.resultSet().updateString(columnLabel, x);
}
@Override
public final void updateTime(int columnIndex, Time x) throws SQLException {
logUpdate(columnIndex, x);
ctx.resultSet().updateTime(columnIndex, x);
}
@Override
public final void updateTime(String columnLabel, Time x) throws SQLException {
logUpdate(columnLabel, x);
ctx.resultSet().updateTime(columnLabel, x);
}
@Override
public final void updateTimestamp(int columnIndex, Timestamp x) throws SQLException {
logUpdate(columnIndex, x);
ctx.resultSet().updateTimestamp(columnIndex, x);
}
@Override
public final void updateTimestamp(String columnLabel, Timestamp x) throws SQLException {
logUpdate(columnLabel, x);
ctx.resultSet().updateTimestamp(columnLabel, x);
}
}
/**
* An iterator for records fetched by this cursor
*/
final class CursorIterator implements Iterator {
/**
* The (potentially) pre-fetched next record
*/
private R next;
/**
* Whether the underlying {@link ResultSet} has a next record. This
* boolean has three states:
*
*
null: it's not known whether there is a next record
*
true: there is a next record, and it has been pre-fetched
*
false: there aren't any next records
*
*/
private Boolean hasNext;
/**
* A delegate runnable that handles record initialisation.
*/
private final CursorRecordInitialiser initialiser = new CursorRecordInitialiser();
@Override
public final boolean hasNext() {
if (hasNext == null) {
next = fetchOne();
hasNext = (next != null);
}
return hasNext;
}
@Override
public final R next() {
if (!hasNext())
throw new NoSuchElementException("There are no more records to fetch from this Cursor");
R result = next;
hasNext = null;
next = null;
return result;
}
@SuppressWarnings("unchecked")
private final R fetchOne() {
AbstractRecord record = null;
try {
if (!isClosed && rs.next()) {
// [#1296] Force a row-lock by updating the row if the
// FOR UPDATE clause is simulated
if (TRUE.equals(ctx.data(DATA_LOCK_ROWS_FOR_UPDATE))) {
rs.updateObject(1, rs.getObject(1));
rs.updateRow();
}
record = Utils.newRecord(true, (Class) type, fields, ctx.configuration())
.operate(initialiser);
rows++;
}
}
// [#3427] ControlFlowSignals must not be passed on to ExecuteListners
catch (ControlFlowSignal e) {
throw e;
}
catch (RuntimeException e) {
ctx.exception(e);
listener.exception(ctx);
throw ctx.exception();
}
catch (SQLException e) {
ctx.sqlException(e);
listener.exception(ctx);
throw ctx.exception();
}
// [#1868] [#2373] [#2385] This calls through to Utils.safeClose()
// if necessary, lazy-terminating the ExecuteListener lifecycle if
// the result is not eager-fetched.
if (record == null) {
CursorImpl.this.close();
}
return (R) record;
}
@Override
public final void remove() {
throw new UnsupportedOperationException();
}
private class CursorRecordInitialiser implements RecordOperation {
@Override
public AbstractRecord operate(AbstractRecord record) throws SQLException {
ctx.record(record);
listener.recordStart(ctx);
for (int i = 0; i < fields.length; i++) {
setValue(record, fields[i], i);
if (intern[i]) {
record.intern0(i);
}
}
ctx.record(record);
listener.recordEnd(ctx);
return record;
}
/**
* Utility method to prevent unnecessary unchecked conversions
*/
private final void setValue(AbstractRecord record, Field field, int index) throws SQLException {
DefaultBindingGetResultSetContext out = new DefaultBindingGetResultSetContext(ctx.configuration(), ctx.resultSet(), index + 1);
field.getBinding().get(out);
T value = out.value();
record.values[index] = value;
record.originals[index] = value;
}
}
}
}
