/*
* 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.accumulo.core.client.mock;
import java.io.IOException;
import java.util.Collections;
import java.util.Iterator;
import java.util.Map;
import java.util.Map.Entry;
import org.apache.accumulo.core.client.Scanner;
import org.apache.accumulo.core.data.Key;
import org.apache.accumulo.core.data.Range;
import org.apache.accumulo.core.data.Value;
import org.apache.accumulo.core.iterators.FilteringIterator;
import org.apache.accumulo.core.iterators.SortedKeyValueIterator;
import org.apache.accumulo.core.iterators.SortedMapIterator;
import org.apache.accumulo.core.iterators.filter.Filter;
import org.apache.accumulo.core.security.Authorizations;
public class MockScanner extends MockScannerBase implements Scanner {
int timeOut = 0;
int batchSize = 0;
Range range = new Range();
MockScanner(MockTable table, Authorizations auths) {
super(table, auths);
}
@Override
public void setTimeOut(int timeOut) {
this.timeOut = timeOut;
}
@Override
public int getTimeOut() {
return timeOut;
}
@Override
public void setRange(Range range) {
this.range = range;
}
@Override
public Range getRange() {
return this.range;
}
@Override
public void setBatchSize(int size) {
this.batchSize = size;
}
@Override
public int getBatchSize() {
return this.batchSize;
}
@Override
public void enableIsolation() {}
@Override
public void disableIsolation() {}
static class RangeFilter implements Filter {
Range range;
public RangeFilter(Range range) {
this.range = range;
}
@Override
public void init(Map<String,String> options) {}
@Override
public boolean accept(Key k, Value v) {
return range.contains(k);
}
}
@Override
public Iterator<Entry<Key,Value>> iterator() {
SortedKeyValueIterator<Key,Value> i = new SortedMapIterator(table.table);
try {
i = createFilter(i);
i.seek(range, createColumnBSS(columns), !columns.isEmpty());
return new IteratorAdapter(new FilteringIterator(i, Collections.singletonList(new RangeFilter(range))));
} catch (IOException e) {
throw new RuntimeException(e);
}
}
}