/**
* Copyright (C) 2014-2016 LinkedIn Corp. (pinot-core@linkedin.com)
*
* 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.linkedin.pinot.core.operator.docvaliterators;
import com.linkedin.pinot.common.data.FieldSpec.DataType;
import com.linkedin.pinot.core.common.BlockMultiValIterator;
import com.linkedin.pinot.core.io.reader.SingleColumnMultiValueReader;
import com.linkedin.pinot.core.io.reader.impl.v1.MultiValueReaderContext;
import com.linkedin.pinot.core.segment.index.ColumnMetadata;
public final class MultiValueIterator extends BlockMultiValIterator {
private int counter = 0;
private ColumnMetadata columnMetadata;
private SingleColumnMultiValueReader mVReader;
MultiValueReaderContext context;
public MultiValueIterator(SingleColumnMultiValueReader mVReader, ColumnMetadata columnMetadata) {
super();
this.mVReader = mVReader;
this.columnMetadata = columnMetadata;
this.context = (MultiValueReaderContext) mVReader.createContext();
}
@Override
public int nextIntVal(int[] intArray) {
return mVReader.getIntArray(counter++, intArray, context);
}
@Override
public boolean skipTo(int docId) {
if (docId >= columnMetadata.getTotalDocs()) {
return false;
}
counter = docId;
return true;
}
@Override
public int size() {
return columnMetadata.getTotalDocs();
}
@Override
public boolean reset() {
counter = 0;
return true;
}
@Override
public boolean next() {
return false;
}
@Override
public boolean hasNext() {
return (counter < columnMetadata.getTotalDocs());
}
@Override
public DataType getValueType() {
return columnMetadata.getDataType();
}
@Override
public int currentDocId() {
return counter;
}
}