vxquery-core/src/main/java/org/apache/vxquery/datamodel/accessors/jsonitem/ArrayPointable.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.vxquery.datamodel.accessors.jsonitem;

import java.io.IOException;

import org.apache.hyracks.api.dataflow.value.ITypeTraits;
import org.apache.hyracks.data.std.api.IPointable;
import org.apache.hyracks.data.std.api.IPointableFactory;
import org.apache.hyracks.data.std.primitive.VoidPointable;
import org.apache.vxquery.datamodel.accessors.AbstractSequencePointable;
import org.apache.vxquery.datamodel.accessors.TaggedValuePointable;
import org.apache.vxquery.datamodel.builders.sequence.SequenceBuilder;

public class ArrayPointable extends AbstractSequencePointable {
    public static final IPointableFactory FACTORY = new IPointableFactory() {
        private static final long serialVersionUID = 1L;

        @Override
        public ITypeTraits getTypeTraits() {
            return VoidPointable.TYPE_TRAITS;
        }

        @Override
        public IPointable createPointable() {
            return new ArrayPointable();
        }
    };

    private TaggedValuePointable tvp = (TaggedValuePointable) TaggedValuePointable.FACTORY.createPointable();

    public void appendItems(SequenceBuilder sb) throws IOException {
        final int size = getEntryCount();
        for (int j = 0; j < size; j++) {
            getEntry(j, tvp);
            sb.addItem(tvp);
        }
    }
}