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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.hyracks.storage.am.lsm.common.impls;
import java.util.List;
import java.util.Set;
import java.util.function.Predicate;
import org.apache.hyracks.api.exceptions.HyracksDataException;
import org.apache.hyracks.data.std.api.IValueReference;
import org.apache.hyracks.dataflow.common.comm.io.FrameTupleAccessor;
import org.apache.hyracks.dataflow.common.data.accessors.FrameTupleReference;
import org.apache.hyracks.dataflow.common.data.accessors.ITupleReference;
import org.apache.hyracks.storage.am.common.ophelpers.IndexOperation;
import org.apache.hyracks.storage.am.lsm.common.api.IFrameOperationCallback;
import org.apache.hyracks.storage.am.lsm.common.api.IFrameTupleProcessor;
import org.apache.hyracks.storage.am.lsm.common.api.ILSMComponent;
import org.apache.hyracks.storage.am.lsm.common.api.ILSMDiskComponent;
import org.apache.hyracks.storage.am.lsm.common.api.ILSMHarness;
import org.apache.hyracks.storage.am.lsm.common.api.ILSMIOOperation;
import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexAccessor;
import org.apache.hyracks.storage.am.lsm.common.api.ILSMIndexOperationContext;
import org.apache.hyracks.storage.am.lsm.common.api.LSMOperationType;
import org.apache.hyracks.storage.common.IIndexCursor;
import org.apache.hyracks.storage.common.ISearchPredicate;
public class LSMTreeIndexAccessor implements ILSMIndexAccessor {
@FunctionalInterface
public interface ICursorFactory {
IIndexCursor create(ILSMIndexOperationContext ctx);
}
protected final ILSMHarness lsmHarness;
protected final ILSMIndexOperationContext ctx;
protected final ICursorFactory cursorFactory;
private boolean destroyed = false;
public LSMTreeIndexAccessor(ILSMHarness lsmHarness, ILSMIndexOperationContext ctx, ICursorFactory cursorFactory) {
this.lsmHarness = lsmHarness;
this.ctx = ctx;
this.cursorFactory = cursorFactory;
}
public ILSMIndexOperationContext getCtx() {
return ctx;
}
@Override
public void insert(ITupleReference tuple) throws HyracksDataException {
ctx.setOperation(IndexOperation.INSERT);
lsmHarness.modify(ctx, false, tuple);
}
@Override
public void update(ITupleReference tuple) throws HyracksDataException {
// Update is the same as insert.
ctx.setOperation(IndexOperation.UPDATE);
lsmHarness.modify(ctx, false, tuple);
}
@Override
public void delete(ITupleReference tuple) throws HyracksDataException {
ctx.setOperation(IndexOperation.DELETE);
lsmHarness.modify(ctx, false, tuple);
}
@Override
public void upsert(ITupleReference tuple) throws HyracksDataException {
ctx.setOperation(IndexOperation.UPSERT);
lsmHarness.modify(ctx, false, tuple);
}
@Override
public boolean tryInsert(ITupleReference tuple) throws HyracksDataException {
ctx.setOperation(IndexOperation.INSERT);
return lsmHarness.modify(ctx, true, tuple);
}
@Override
public boolean tryDelete(ITupleReference tuple) throws HyracksDataException {
ctx.setOperation(IndexOperation.DELETE);
return lsmHarness.modify(ctx, true, tuple);
}
@Override
public boolean tryUpdate(ITupleReference tuple) throws HyracksDataException {
// Update is the same as insert.
ctx.setOperation(IndexOperation.UPDATE);
return lsmHarness.modify(ctx, true, tuple);
}
@Override
public boolean tryUpsert(ITupleReference tuple) throws HyracksDataException {
ctx.setOperation(IndexOperation.UPSERT);
return lsmHarness.modify(ctx, true, tuple);
}
@Override
public void search(IIndexCursor cursor, ISearchPredicate searchPred) throws HyracksDataException {
ctx.setOperation(IndexOperation.SEARCH);
lsmHarness.search(ctx, cursor, searchPred);
}
@Override
public void flush(ILSMIOOperation operation) throws HyracksDataException {
lsmHarness.flush(operation);
}
@Override
public void merge(ILSMIOOperation operation) throws HyracksDataException {
lsmHarness.merge(operation);
}
@Override
public void physicalDelete(ITupleReference tuple) throws HyracksDataException {
ctx.setOperation(IndexOperation.PHYSICALDELETE);
lsmHarness.modify(ctx, false, tuple);
}
@Override
public ILSMIOOperation scheduleFlush() throws HyracksDataException {
ctx.setOperation(IndexOperation.FLUSH);
return lsmHarness.scheduleFlush(ctx);
}
@Override
public ILSMIOOperation scheduleMerge(List<ILSMDiskComponent> components) throws HyracksDataException {
ctx.setOperation(IndexOperation.MERGE);
ctx.getComponentsToBeMerged().clear();
ctx.getComponentsToBeMerged().addAll(components);
return lsmHarness.scheduleMerge(ctx);
}
@Override
public void scheduleReplication(List<ILSMDiskComponent> lsmComponents, LSMOperationType opType)
throws HyracksDataException {
ctx.setOperation(IndexOperation.REPLICATE);
ctx.getComponentsToBeReplicated().clear();
ctx.getComponentsToBeReplicated().addAll(lsmComponents);
lsmHarness.scheduleReplication(ctx, lsmComponents, opType);
}
@Override
public ILSMIOOperation scheduleFullMerge() throws HyracksDataException {
ctx.setOperation(IndexOperation.FULL_MERGE);
return lsmHarness.scheduleFullMerge(ctx);
}
@Override
public void forcePhysicalDelete(ITupleReference tuple) throws HyracksDataException {
ctx.setOperation(IndexOperation.PHYSICALDELETE);
lsmHarness.forceModify(ctx, tuple);
}
@Override
public void forceInsert(ITupleReference tuple) throws HyracksDataException {
ctx.setOperation(IndexOperation.INSERT);
lsmHarness.forceModify(ctx, tuple);
}
@Override
public void forceUpsert(ITupleReference tuple) throws HyracksDataException {
ctx.setOperation(IndexOperation.UPSERT);
lsmHarness.forceModify(ctx, tuple);
}
@Override
public void forceDelete(ITupleReference tuple) throws HyracksDataException {
ctx.setOperation(IndexOperation.DELETE);
lsmHarness.forceModify(ctx, tuple);
}
@Override
public void updateMeta(IValueReference key, IValueReference value) throws HyracksDataException {
ctx.setOperation(IndexOperation.UPSERT);
lsmHarness.updateMeta(ctx, key, value);
}
@Override
public void forceUpdateMeta(IValueReference key, IValueReference value) throws HyracksDataException {
ctx.setOperation(IndexOperation.UPSERT);
lsmHarness.forceUpdateMeta(ctx, key, value);
}
@Override
public IIndexCursor createSearchCursor(boolean exclusive) {
return cursorFactory.create(ctx);
}
@Override
public void updateFilter(ITupleReference tuple) throws HyracksDataException {
ctx.setOperation(IndexOperation.UPSERT);
lsmHarness.updateFilter(ctx, tuple);
}
public void batchOperate(FrameTupleAccessor accessor, FrameTupleReference tuple, IFrameTupleProcessor processor,
IFrameOperationCallback frameOpCallback, Set<Integer> tuples) throws HyracksDataException {
lsmHarness.batchOperate(ctx, accessor, tuple, processor, frameOpCallback, tuples);
}
@Override
public void scanDiskComponents(IIndexCursor cursor) throws HyracksDataException {
ctx.setOperation(IndexOperation.DISK_COMPONENT_SCAN);
lsmHarness.scanDiskComponents(ctx, cursor);
}
@Override
public String toString() {
return getClass().getSimpleName() + ':' + lsmHarness.toString();
}
@Override
public void deleteComponents(Predicate<ILSMComponent> predicate) throws HyracksDataException {
lsmHarness.deleteComponents(ctx, predicate);
}
@Override
public ILSMIndexOperationContext getOpContext() {
return ctx;
}
@Override
public void destroy() throws HyracksDataException {
if (destroyed) {
return;
}
destroyed = true;
ctx.destroy();
}
}