/**
* 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.camel.component.aws.ddb;
import java.util.Map;
import com.amazonaws.services.dynamodb.AmazonDynamoDB;
import com.amazonaws.services.dynamodb.model.Condition;
import com.amazonaws.services.dynamodb.model.ScanRequest;
import com.amazonaws.services.dynamodb.model.ScanResult;
import org.apache.camel.Exchange;
public class ScanCommand extends AbstractDdbCommand {
public ScanCommand(AmazonDynamoDB ddbClient, DdbConfiguration configuration, Exchange exchange) {
super(ddbClient, configuration, exchange);
}
@Override
public void execute() {
ScanResult result = ddbClient.scan(new ScanRequest()
.withTableName(determineTableName())
.withScanFilter(determineScanFilter()));
addToResult(DdbConstants.ITEMS, result.getItems());
addToResult(DdbConstants.LAST_EVALUATED_KEY, result.getLastEvaluatedKey());
addToResult(DdbConstants.CONSUMED_CAPACITY, result.getConsumedCapacityUnits());
addToResult(DdbConstants.COUNT, result.getCount());
addToResult(DdbConstants.SCANNED_COUNT, result.getScannedCount());
}
@SuppressWarnings("unchecked")
private Map<String, Condition> determineScanFilter() {
return exchange.getIn().getHeader(DdbConstants.SCAN_FILTER, Map.class);
}
}