/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
*/
package com.google.code.or.binlog.impl.parser;
import java.io.IOException;
import com.google.code.or.binlog.BinlogEventV4Header;
import com.google.code.or.binlog.BinlogParserContext;
import com.google.code.or.binlog.impl.event.TableMapEvent;
import com.google.code.or.common.glossary.Metadata;
import com.google.code.or.io.XInputStream;
/**
*
* @author Jingqi Xu
*/
public class TableMapEventParser extends AbstractBinlogEventParser {
//
private boolean reusePreviousEvent = true;
/**
*
*/
public TableMapEventParser() {
super(TableMapEvent.EVENT_TYPE);
}
/**
*
*/
public boolean isReusePreviousEvent() {
return reusePreviousEvent;
}
public void setReusePreviousEvent(boolean reusePreviousEvent) {
this.reusePreviousEvent = reusePreviousEvent;
}
/**
*
*/
public void parse(XInputStream is, BinlogEventV4Header header, BinlogParserContext context)
throws IOException {
//
final long tableId = is.readLong(6);
if(this.reusePreviousEvent && context.getTableMapEvent(tableId) != null) {
is.skip(is.available());
final TableMapEvent event = context.getTableMapEvent(tableId).copy();
event.setHeader(header);
context.getEventListener().onEvents(event);
return;
}
//
final TableMapEvent event = new TableMapEvent(header);
event.setTableId(tableId);
event.setReserved(is.readInt(2));
event.setDatabaseNameLength(is.readInt(1));
event.setDatabaseName(is.readNullTerminatedString());
event.setTableNameLength(is.readInt(1));
event.setTableName(is.readNullTerminatedString());
event.setColumnCount(is.readUnsignedLong());
event.setColumnTypes(is.readBytes(event.getColumnCount().intValue()));
event.setColumnMetadataCount(is.readUnsignedLong());
event.setColumnMetadata(Metadata.valueOf(event.getColumnTypes(), is.readBytes(event.getColumnMetadataCount().intValue())));
event.setColumnNullabilities(is.readBit(event.getColumnCount().intValue(), true));
context.getEventListener().onEvents(event);
}
}