io.questdb.cairo.PartitionBy Maven / Gradle / Ivy
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* | |_| | |_| | __/\__ \ |_| |_| | |_) |
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*
* Copyright (c) 2014-2019 Appsicle
* Copyright (c) 2019-2020 QuestDB
*
* 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.
*
******************************************************************************/
package io.questdb.cairo;
import io.questdb.std.CharSequenceIntHashMap;
/**
* Setting partition type on JournalKey to override default settings.
*/
public final class PartitionBy {
public static final int DAY = 0;
public static final int MONTH = 1;
public static final int YEAR = 2;
/**
* Data is not partitioned at all,
* all data is stored in a single directory
*/
public static final int NONE = 3;
private final static CharSequenceIntHashMap nameToIndexMap = new CharSequenceIntHashMap();
static {
nameToIndexMap.put("DAY", DAY);
nameToIndexMap.put("MONTH", MONTH);
nameToIndexMap.put("YEAR", YEAR);
nameToIndexMap.put("NONE", NONE);
}
private PartitionBy() {
}
public static int fromString(CharSequence name) {
return nameToIndexMap.get(name);
}
public static String toString(int partitionBy) {
switch (partitionBy) {
case DAY:
return "DAY";
case MONTH:
return "MONTH";
case YEAR:
return "YEAR";
case NONE:
return "NONE";
default:
return "UNKNOWN";
}
}
}