/*
* Copyright (C) 2013 All rights reserved
* VPRO The Netherlands
*/
package dgm.fixtures;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.inject.Provider;
import dgm.configuration.*;
import org.elasticsearch.action.admin.indices.delete.DeleteIndexRequest;
import org.elasticsearch.client.Client;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.inject.Inject;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
/**
* User: rico
* Date: 03/04/2013
*/
public class DeleteTargetIndexesCommand implements Command<List<String>>
{
private final Client client;
private final Provider<Configuration> cfgProvider;
private final ObjectMapper objectMapper = new ObjectMapper();
private static final Logger log = LoggerFactory.getLogger(WriteResultDocumentsCommand.class);
@Inject
public DeleteTargetIndexesCommand(Client client, Provider<Configuration> cfgProvider)
{
this.client = client;
this.cfgProvider = cfgProvider;
}
@Override
public List<String> execute() throws Exception
{
List<String> indexes = new ArrayList<String>();
FixtureConfiguration fixtureConfiguration = cfgProvider.get().getFixtureConfiguration();
Set<String> indexNames = new HashSet<String>();
for (String index : fixtureConfiguration.getIndexNames())
{
for (String type : fixtureConfiguration.getIndexConfig(index).getTypeNames())
{
final Iterable<TypeConfig> configs = Configurations.configsFor(cfgProvider.get(), index, type);
for (TypeConfig typeConfig : configs)
{
indexNames.add(typeConfig.targetIndex());
}
}
}
for (String indexName : indexNames)
{
log.debug("Deleting index [{}]", indexName);
try
{
client.admin().indices().delete(new DeleteIndexRequest(indexName)).get();
indexes.add(indexName);
} catch (Exception e)
{
log.warn("Something went wrong deleting index [{}], cause: {}. Perhaps it did not exist?", indexName, e.getMessage());
}
}
return indexes;
}
}