/*
* 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 org.apache.ignite.internal.pagemem.wal.record;
import org.apache.ignite.internal.util.tostring.GridToStringExclude;
import org.apache.ignite.internal.util.typedef.internal.S;
/**
* Log entry abstract class.
*/
public abstract class WALRecord {
/**
* Record type.
*/
public enum RecordType {
/** */
TX_RECORD,
/** */
PAGE_RECORD,
/** */
DATA_RECORD,
/** */
STORE_OPERATION_RECORD,
/** */
CHECKPOINT_RECORD,
/** */
HEADER_RECORD,
// Delta records.
/** */
INIT_NEW_PAGE_RECORD,
/** */
DATA_PAGE_INSERT_RECORD,
/** */
DATA_PAGE_INSERT_FRAGMENT_RECORD,
/** */
DATA_PAGE_REMOVE_RECORD,
/** */
DATA_PAGE_SET_FREE_LIST_PAGE,
/** */
BTREE_META_PAGE_INIT_ROOT,
/** */
BTREE_META_PAGE_ADD_ROOT,
/** */
BTREE_META_PAGE_CUT_ROOT,
/** */
BTREE_INIT_NEW_ROOT,
/** */
BTREE_PAGE_RECYCLE,
/** */
BTREE_PAGE_INSERT,
/** */
BTREE_FIX_LEFTMOST_CHILD,
/** */
BTREE_FIX_COUNT,
/** */
BTREE_PAGE_REPLACE,
/** */
BTREE_PAGE_REMOVE,
/** */
BTREE_PAGE_INNER_REPLACE,
/** */
BTREE_FIX_REMOVE_ID,
/** */
BTREE_FORWARD_PAGE_SPLIT,
/** */
BTREE_EXISTING_PAGE_SPLIT,
/** */
BTREE_PAGE_MERGE,
/** */
PAGES_LIST_SET_NEXT,
/** */
PAGES_LIST_SET_PREVIOUS,
/** */
PAGES_LIST_INIT_NEW_PAGE,
/** */
PAGES_LIST_ADD_PAGE,
/** */
PAGES_LIST_REMOVE_PAGE,
/** */
META_PAGE_INIT,
/** */
PARTITION_META_PAGE_UPDATE_COUNTERS,
/** */
MEMORY_RECOVERY,
/** */
TRACKING_PAGE_DELTA,
/** Meta page update last successful snapshot id. */
META_PAGE_UPDATE_LAST_SUCCESSFUL_SNAPSHOT_ID,
/** Meta page update last successful full snapshot id. */
META_PAGE_UPDATE_LAST_SUCCESSFUL_FULL_SNAPSHOT_ID,
/** Meta page update next snapshot id. */
META_PAGE_UPDATE_NEXT_SNAPSHOT_ID,
/** Meta page update last allocated index. */
META_PAGE_UPDATE_LAST_ALLOCATED_INDEX,
/** Partition meta update state. */
PART_META_UPDATE_STATE,
/** Page list meta reset count record. */
PAGE_LIST_META_RESET_COUNT_RECORD,
/** Switch segment record. */
SWITCH_SEGMENT_RECORD,
/** */
DATA_PAGE_UPDATE_RECORD,
/** init */
BTREE_META_PAGE_INIT_ROOT2
;
/** */
private static final RecordType[] VALS = RecordType.values();
/** */
public static RecordType fromOrdinal(int ord) {
return ord < 0 || ord >= VALS.length ? null : VALS[ord];
}
}
/** */
private int size;
/** */
private int chainSize;
/** */
@GridToStringExclude
private WALRecord prev;
/** */
private long pos;
/**
* @param chainSize Chain size in bytes.
*/
public void chainSize(int chainSize) {
this.chainSize = chainSize;
}
/**
* @return Get chain size in bytes.
*/
public int chainSize() {
return chainSize;
}
/**
* @return Previous record in chain.
*/
public WALRecord previous() {
return prev;
}
/**
* @param prev Previous record in chain.
*/
public void previous(WALRecord prev) {
this.prev = prev;
}
/**
* @return Position in file.
*/
public long position() {
return pos;
}
/**
* @param pos Position in file.
*/
public void position(long pos) {
assert pos >= 0: pos;
this.pos = pos;
}
/**
* @return Size of this record in bytes.
*/
public int size() {
return size;
}
/**
* @param size Size of this record in bytes.
*/
public void size(int size) {
assert size >= 0: size;
this.size = size;
}
/**
* @return Entry type.
*/
public abstract RecordType type();
/** {@inheritDoc} */
@Override public String toString() {
return S.toString(WALRecord.class, this, "type", type());
}
}