| /* |
| * 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.clientImpl; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| |
| import java.util.Iterator; |
| import java.util.Map.Entry; |
| |
| import org.apache.accumulo.core.Constants; |
| 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.TableId; |
| import org.apache.accumulo.core.data.Value; |
| import org.apache.accumulo.core.security.Authorizations; |
| import org.apache.hadoop.io.Text; |
| |
| public class OfflineScanner extends ScannerOptions implements Scanner { |
| |
| private int batchSize; |
| private Range range; |
| |
| private ClientContext context; |
| private Authorizations authorizations; |
| private Text tableId; |
| |
| public OfflineScanner(ClientContext context, TableId tableId, Authorizations authorizations) { |
| checkArgument(context != null, "context is null"); |
| checkArgument(tableId != null, "tableId is null"); |
| checkArgument(authorizations != null, "authorizations is null"); |
| this.context = context; |
| this.tableId = new Text(tableId.canonical()); |
| this.range = new Range((Key) null, (Key) null); |
| this.authorizations = authorizations; |
| this.batchSize = Constants.SCAN_BATCH_SIZE; |
| } |
| |
| @Override |
| public void setRange(Range range) { |
| this.range = range; |
| } |
| |
| @Override |
| public Range getRange() { |
| return range; |
| } |
| |
| @Override |
| public void setBatchSize(int size) { |
| this.batchSize = size; |
| } |
| |
| @Override |
| public int getBatchSize() { |
| return batchSize; |
| } |
| |
| @Override |
| public void enableIsolation() { |
| |
| } |
| |
| @Override |
| public void disableIsolation() { |
| |
| } |
| |
| @Override |
| public Iterator<Entry<Key,Value>> iterator() { |
| return new OfflineIterator(this, context, authorizations, tableId, range); |
| } |
| |
| @Override |
| public Authorizations getAuthorizations() { |
| return authorizations; |
| } |
| |
| @Override |
| public long getReadaheadThreshold() { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @Override |
| public void setReadaheadThreshold(long batches) { |
| throw new UnsupportedOperationException(); |
| } |
| |
| } |