Examples of org.apache.activemq.kaha.impl.index.IndexItem

Package org.apache.activemq.kaha.impl.index

Examples of org.apache.activemq.kaha.impl.index.IndexItem

org.apache.activemq.kaha.impl.index.IndexItem
A an Item with a relative position and location to other Items in the Store @version $Revision: 1.2 $

                try {
                    init();
                    index.load();
                    long nextItem = root.getNextItem();
                    while (nextItem != Item.POSITION_NOT_SET) {
                        IndexItem item = indexManager.getIndex(nextItem);
                        StoreLocation data = item.getKeyDataItem();
                        Object key = dataManager.readItem(keyMarshaller, data);
                        if (index.isTransient()) {
                            index.store(key, item);
                        }
                        indexList.add(item);
                        nextItem = item.getNextItem();
                    }
                } catch (IOException e) {
                    LOG.error("Failed to load container " + getId(), e);
                    throw new RuntimeStoreException(e);
                }

View Full Code Here

     */
    public synchronized boolean containsValue(Object o) {
        load();
        boolean result = false;
        if (o != null) {
            IndexItem item = indexList.getFirst();
            while (item != null) {
                Object value = getValue(item);
                if (value != null && value.equals(o)) {
                    result = true;
                    break;

View Full Code Here

     *      java.lang.Object)
     */
    public synchronized Object put(Object key, Object value) {
        load();
        Object result = remove(key);
        IndexItem item = write(key, value);
        try {
            index.store(key, item);
        } catch (IOException e) {
            LOG.error("Failed trying to insert key: " + key, e);
            throw new RuntimeException(e);

View Full Code Here

     */
    public synchronized Object remove(Object key) {
        load();
        try {
            Object result = null;
            IndexItem item = (IndexItem)index.remove(key);
            if (item != null) {
                // refresh the index
                item = (IndexItem)indexList.refreshEntry(item);
                result = getValue(item);
                IndexItem prev = indexList.getPrevEntry(item);
                IndexItem next = indexList.getNextEntry(item);
                indexList.remove(item);
                delete(item, prev, next);
            }
            return result;
        } catch (IOException e) {

View Full Code Here


    public synchronized boolean removeValue(Object o) {
        load();
        boolean result = false;
        if (o != null) {
            IndexItem item = indexList.getFirst();
            while (item != null) {
                Object value = getValue(item);
                if (value != null && value.equals(o)) {
                    result = true;
                    // find the key

View Full Code Here

     */
    public synchronized StoreEntry place(Object key, Object value) {
        load();
        try {
            remove(key);
            IndexItem item = write(key, value);
            index.store(key, item);
            indexList.add(item);
            return item;
        } catch (IOException e) {
            LOG.error("Failed trying to place key: " + key, e);

View Full Code Here

     * @param entry
     * @throws IOException
     */
    public synchronized void remove(StoreEntry entry) {
        load();
        IndexItem item = (IndexItem)entry;
        if (item != null) {
            Object key = getKey(item);
            try {
                index.remove(key);
            } catch (IOException e) {
                LOG.error("Failed trying to remove entry: " + entry, e);
                throw new RuntimeException(e);
            }
            IndexItem prev = indexList.getPrevEntry(item);
            IndexItem next = indexList.getNextEntry(item);
            indexList.remove(item);
            delete(item, prev, next);
        }
    }

View Full Code Here

        return indexList.getLast();
    }


    public synchronized StoreEntry getNext(StoreEntry entry) {
        load();
        IndexItem item = (IndexItem)entry;
        return indexList.getNextEntry(item);
    }

View Full Code Here

        return indexList.getNextEntry(item);
    }


    public synchronized StoreEntry getPrevious(StoreEntry entry) {
        load();
        IndexItem item = (IndexItem)entry;
        return indexList.getPrevEntry(item);
    }

View Full Code Here

    protected IndexLinkedList getItemList() {
        return indexList;
    }


    protected synchronized IndexItem write(Object key, Object value) {
        IndexItem index = null;
        try {
            index = indexManager.createNewIndex();
            StoreLocation data = dataManager.storeDataItem(keyMarshaller, key);
            index.setKeyData(data);


            if (value != null) {
                data = dataManager.storeDataItem(valueMarshaller, value);
                index.setValueData(data);
            }
            IndexItem prev = indexList.getLast();
            prev = prev != null ? prev : indexList.getRoot();
            IndexItem next = indexList.getNextEntry(prev);
            prev.setNextItem(index.getOffset());
            index.setPreviousItem(prev.getOffset());
            updateIndexes(prev);
            if (next != null) {
                next.setPreviousItem(index.getOffset());
                index.setNextItem(next.getOffset());
                updateIndexes(next);
            }
            storeIndex(index);
        } catch (IOException e) {
            LOG.error("Failed to write " + key + " , " + value, e);

View Full Code Here

0 1 2 3 4 5 6 7 8 9

TOP

Related Classes of org.apache.activemq.kaha.impl.index.IndexItem

org.apache.activemq.kaha.impl.CachedListContainerImplTest

org.apache.activemq.kaha.impl.container.BaseContainerImpl

org.apache.activemq.kaha.impl.container.ContainerKeySet

org.apache.activemq.kaha.impl.container.ContainerListIterator

org.apache.activemq.kaha.impl.container.ContainerValueCollection

org.apache.activemq.kaha.impl.container.ListContainerImpl

org.apache.activemq.kaha.impl.container.MapContainerImpl

org.apache.activemq.kaha.impl.data.DataItem

org.apache.activemq.kaha.impl.index.hash.HashTest

org.apache.activemq.kaha.impl.index.tree.TreeTest

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.