| /* |
| * Copyright 2009-2010 by The Regents of the University of California |
| * 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 from |
| * |
| * 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 edu.uci.ics.hyracks.storage.am.rtree.frames; |
| |
| import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProvider; |
| import edu.uci.ics.hyracks.storage.am.common.api.IPrimitiveValueProviderFactory; |
| import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexFrameFactory; |
| import edu.uci.ics.hyracks.storage.am.common.api.ITreeIndexTupleWriterFactory; |
| import edu.uci.ics.hyracks.storage.am.rtree.api.IRTreeLeafFrame; |
| |
| public class RTreeNSMLeafFrameFactory implements ITreeIndexFrameFactory { |
| |
| private static final long serialVersionUID = 1L; |
| private final ITreeIndexTupleWriterFactory tupleWriterFactory; |
| private final IPrimitiveValueProviderFactory[] keyValueProviderFactories; |
| private final RTreePolicyType rtreePolicyType; |
| |
| public RTreeNSMLeafFrameFactory(ITreeIndexTupleWriterFactory tupleWriterFactory, |
| IPrimitiveValueProviderFactory[] keyValueProviderFactories, RTreePolicyType rtreePolicyType) { |
| this.tupleWriterFactory = tupleWriterFactory; |
| if (keyValueProviderFactories.length % 2 != 0) { |
| throw new IllegalArgumentException("The key has different number of dimensions."); |
| } |
| this.keyValueProviderFactories = keyValueProviderFactories; |
| this.rtreePolicyType = rtreePolicyType; |
| } |
| |
| @Override |
| public IRTreeLeafFrame createFrame() { |
| IPrimitiveValueProvider[] keyValueProviders = new IPrimitiveValueProvider[keyValueProviderFactories.length]; |
| for (int i = 0; i < keyValueProviders.length; i++) { |
| keyValueProviders[i] = keyValueProviderFactories[i].createPrimitiveValueProvider(); |
| } |
| return new RTreeNSMLeafFrame(tupleWriterFactory.createTupleWriter(), keyValueProviders, rtreePolicyType); |
| } |
| |
| @Override |
| public ITreeIndexTupleWriterFactory getTupleWriterFactory() { |
| return tupleWriterFactory; |
| } |
| } |