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

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/*
 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.
 */

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

import com.gs.collections.impl.list.mutable.FastList;
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.*;
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 java.util.List;


public class OffHeapFullDatedTransactionalCache extends AbstractDatedTransactionalCache implements OffHeapSyncableCache
{
    private OffHeapDatedMithraNotificationListener notificationListener;
    private OffHeapDataStorage dataStorage;
    private boolean replicationMode;

    public OffHeapFullDatedTransactionalCache(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)
    {
        Index mainIndex = new NonUniqueOffHeapIndex(extractors, 16, dataStorage);
        return new TransactionalDatedNonUniqueIndex(indexName, getPrimaryKeyAttributes(), extractors, mainIndex);
    }

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

    public boolean isFullCache()
    {
        return true;
    }

    public boolean isPartialCache()
    {
        return false;
    }

    @Override
    public boolean isOffHeap()
    {
        return true;
    }

    @Override
    public long getOffHeapAllocatedDataSize()
    {
        return dataStorage.getAllocatedSize();
    }

    @Override
    public long getOffHeapUsedDataSize()
    {
        return dataStorage.getUsedSize();
    }

    @Override
    public long getOffHeapAllocatedIndexSize()
    {
        long sum = 0;
        try
        {
            this.getCacheLock().acquireReadLock();
            Index[] indices = this.getIndices();
            for(int i=1;i