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AbstractMemoryDMStore.java
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AbstractMemoryDMStore.java
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/*
* 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.carbondata.core.indexstore;
import java.io.Serializable;
import org.apache.carbondata.core.indexstore.row.DataMapRow;
import org.apache.carbondata.core.indexstore.schema.CarbonRowSchema;
import org.apache.carbondata.core.memory.MemoryException;
import org.apache.carbondata.core.util.ThreadLocalTaskInfo;
/**
* Store the data map row @{@link DataMapRow}
*/
public abstract class AbstractMemoryDMStore implements Serializable {
protected boolean isMemoryFreed;
protected final String taskId = ThreadLocalTaskInfo.getCarbonTaskInfo().getTaskId();
public abstract void addIndexRow(CarbonRowSchema[] schema, DataMapRow indexRow)
throws MemoryException;
public abstract DataMapRow getDataMapRow(CarbonRowSchema[] schema, int index);
public abstract void freeMemory();
public abstract int getMemoryUsed();
public abstract int getRowCount();
public void finishWriting() throws MemoryException {
// do nothing in default implementation
}
public UnsafeMemoryDMStore convertToUnsafeDMStore(CarbonRowSchema[] schema)
throws MemoryException {
throw new UnsupportedOperationException("Operation not allowed");
}
}