Examples of org.chaidb.db.api.DuplicatedKeyIterator

org.chaidb.db.api.DuplicatedKeyIterator
Interface DuplicatedKeyIterator, which represent a iterator result set returned by lookup operation.

            throw new ChaiDBException(ErrorCode.BTREE_DEBUG, "the value is invalid , maybe null or not node id type.");
        }
        this.getBTreeSpec().setModified(true);
        NodeId nodeid = (NodeId) value;
        NodeId tmpId = null;
        DuplicatedKeyIterator dki = lookup(key, kContext);
        try {
            while (dki.hasNext()) {
                tmpId = (NodeId) dki.next();
                if (tmpId.equals(nodeid)) {
                    dki.remove();
                    return true;
                }
            } //end while
        } finally {
            dki.close();
        }
        return false;
    }

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    public int delete(Key key, int docId, KernelContext kContext) throws ChaiDBException {


        kContext.checkLock(getBTreeName());
        this.getBTreeSpec().setModified(true);
        int ret = 0;
        DuplicatedKeyIterator dki = lookup(key, kContext);
        try {
            while (dki.hasNext()) {
                NodeId nodeid = (NodeId) dki.next();
                if (nodeid.getDocId() == docId) {
                    dki.remove();
                    ret++;
                }
            } //end while
        } finally {
            dki.close();
        }
        return ret;
    }

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    public ArrayList rangeLookup(Key minKey, Key maxKey, boolean includeMinKey, boolean includeMaxKey, KernelContext kContext) throws ChaiDBException {
        kContext.checkLock(getBTreeName());
        ArrayList keys = rangeLookupKeys(minKey, maxKey, includeMinKey, includeMaxKey, kContext);
        try {
            ArrayList newList = new ArrayList(keys.size());
            DuplicatedKeyIterator it = null;
            Key key;
            for (int i = 0; i < keys.size(); i++) {
                key = (Key) keys.get(i);
                it = lookup(key, kContext);
                newList.add(it);

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Related Classes of org.chaidb.db.api.DuplicatedKeyIterator

org.chaidb.db.index.btree.hbt.HyperBTree

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