com.gs.fw.common.mithra.cache.offheap.OffHeapFullDatedCache Maven / Gradle / Ivy

Go to download
/*
 Copyright 2016 Goldman Sachs.
 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.
 */
// Portions copyright Hiroshi Ito. Licensed under Apache 2.0 license

package com.gs.fw.common.mithra.cache.offheap;

import com.gs.fw.common.mithra.MithraDataObject;
import com.gs.fw.common.mithra.MithraDatedObjectFactory;
import com.gs.fw.common.mithra.MithraObjectPortal;
import com.gs.fw.common.mithra.attribute.AsOfAttribute;
import com.gs.fw.common.mithra.attribute.Attribute;
import com.gs.fw.common.mithra.cache.AbstractDatedCache;
import com.gs.fw.common.mithra.cache.Index;
import com.gs.fw.common.mithra.cache.LazyIndex;
import com.gs.fw.common.mithra.cache.SemiUniqueDatedIndex;
import com.gs.fw.common.mithra.extractor.Extractor;
import com.gs.fw.common.mithra.notification.listener.MithraNotificationListener;
import com.gs.fw.common.mithra.notification.listener.OffHeapDatedMithraNotificationListener;
import org.eclipse.collections.impl.list.mutable.FastList;

import java.util.List;



public class OffHeapFullDatedCache extends AbstractDatedCache implements OffHeapSyncableCache
{
    private OffHeapDatedMithraNotificationListener notificationListener;
    private OffHeapDataStorage dataStorage;
    private boolean replicationMode;

    public OffHeapFullDatedCache(Attribute[] nonDatedPkAttributes, AsOfAttribute[] asOfAttributes,
            MithraDatedObjectFactory factory, Attribute[] immutableAttributes, OffHeapDataStorage dataStorage)
    {
        super(nonDatedPkAttributes, asOfAttributes, factory, immutableAttributes, 0, 0, dataStorage);
        this.dataStorage = dataStorage;
        this.dataStorage.setReadWriteLock(this.getCacheLock());
    }

    @Override
    protected Index createIndex(String indexName, Extractor[] extractors, OffHeapDataStorage dataStorage)
    {
        return new LazyIndex(new NonUniqueOffHeapIndex(extractors, 16, dataStorage));
    }

    @Override
    protected SemiUniqueDatedIndex createSemiUniqueDatedIndex(String indexName, Extractor[] extractors, AsOfAttribute[] asOfAttributes, long timeToLive, long relationshipTimeToLive, OffHeapDataStorage dataStorage)
    {
        return new OffHeapSemiUniqueDatedIndex(extractors, asOfAttributes, dataStorage);
    }

    @Override
    protected MithraDataObject copyDataForCacheIgnoringTransaction(MithraDataObject dataObject)
    {
        return dataObject.zCopyOffHeap();
    }

    @Override
    protected MithraDataObject copyDataForCacheIfNotInTransaction(MithraDataObject dataObject)
    {
        return dataObject.zCopyOffHeap();
    }

    @Override
    protected List copyDataForCacheIgnoringTransaction(List dataObjects)
    {
        this.dataStorage.ensureExtraCapacity(dataObjects.size());
        List result = FastList.newList(dataObjects.size());
        for(int i=0;i