/*
* 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.facebook.presto.server;
import com.facebook.presto.execution.QueryInfo;
import com.facebook.presto.execution.QueryState;
import com.facebook.presto.spi.QueryId;
import com.facebook.presto.spi.resourceGroups.ResourceGroupId;
import com.facebook.presto.spi.resourceGroups.ResourceGroupInfo;
import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.google.common.collect.ImmutableList;
import org.joda.time.DateTime;
import java.util.List;
import java.util.Optional;
import static com.facebook.presto.execution.QueryState.QUEUED;
import static com.facebook.presto.execution.QueryState.RUNNING;
import static com.facebook.presto.server.QueryProgressStats.createQueryProgressStats;
import static com.google.common.base.Preconditions.checkArgument;
import static java.util.Objects.requireNonNull;
public class QueryStateInfo
{
private final QueryState queryState;
private final QueryId queryId;
private final Optional<ResourceGroupId> resourceGroupId;
private final String query;
private final DateTime createTime;
private final String user;
private final Optional<String> catalog;
private final Optional<String> schema;
private final Optional<List<ResourceGroupInfo>> resourceGroupChain;
private final Optional<QueryProgressStats> progress;
@JsonCreator
public QueryStateInfo(
@JsonProperty("queryId") QueryId queryId,
@JsonProperty("queryState") QueryState queryState,
@JsonProperty("resourceGroupId") Optional<ResourceGroupId> resourceGroupId,
@JsonProperty("query") String query,
@JsonProperty("createTime") DateTime createTime,
@JsonProperty("user") String user,
@JsonProperty("catalog") Optional<String> catalog,
@JsonProperty("schema") Optional<String> schema,
@JsonProperty("resourceGroupChainInfo") Optional<List<ResourceGroupInfo>> resourceGroupChain,
@JsonProperty("progress") Optional<QueryProgressStats> progress)
{
this.queryId = requireNonNull(queryId, "queryId is null");
this.queryState = requireNonNull(queryState, "queryState is null");
this.resourceGroupId = requireNonNull(resourceGroupId, "resourceGroupId is null");
this.query = requireNonNull(query, "query text is null");
this.createTime = requireNonNull(createTime, "createTime is null");
this.user = requireNonNull(user, "user is null");
this.catalog = requireNonNull(catalog, "catalog is null");
this.schema = requireNonNull(schema, "schema is null");
requireNonNull(resourceGroupChain, "resourceGroupChain is null");
this.resourceGroupChain = resourceGroupChain.map(ImmutableList::copyOf);
this.progress = requireNonNull(progress, "progress is null");
}
public static QueryStateInfo createQueryStateInfo(QueryInfo queryInfo, Optional<ResourceGroupId> resourceGroupId, Optional<ResourceGroupInfo> rootResourceGroupInfo)
{
Optional<List<ResourceGroupInfo>> resourceGroups = Optional.empty();
Optional<QueryProgressStats> progress = Optional.empty();
if (queryInfo.getState() == QUEUED) {
resourceGroups = Optional.of(ImmutableList.of());
if (resourceGroupId.isPresent() && rootResourceGroupInfo.isPresent()) {
ImmutableList.Builder<ResourceGroupInfo> builder = ImmutableList.builder();
ResourceGroupId id = resourceGroupId.get();
ResourceGroupInfo resourceGroupInfo = rootResourceGroupInfo.get();
while (true) {
builder.add(resourceGroupInfo.createSingleNodeInfo());
if (resourceGroupInfo.getSubGroups().isEmpty()) {
break;
}
Optional<ResourceGroupInfo> subGroupInfo = resourceGroupInfo.getSubGroup(id);
checkArgument(subGroupInfo.isPresent(), "No path from root resource group %s to resource group %s", rootResourceGroupInfo.get().getId(), id);
resourceGroupInfo = subGroupInfo.get();
}
resourceGroups = Optional.of(builder.build().reverse());
}
}
else if (queryInfo.getState() == RUNNING) {
progress = Optional.of(createQueryProgressStats(queryInfo.getQueryStats()));
}
return new QueryStateInfo(
queryInfo.getQueryId(),
queryInfo.getState(),
resourceGroupId,
queryInfo.getQuery(),
queryInfo.getQueryStats().getCreateTime(),
queryInfo.getSession().getUser(),
queryInfo.getSession().getCatalog(),
queryInfo.getSession().getSchema(),
resourceGroups,
progress);
}
@JsonProperty
public QueryId getQueryId()
{
return queryId;
}
@JsonProperty
public QueryState getQueryState()
{
return queryState;
}
@JsonProperty
public Optional<ResourceGroupId> getResourceGroupId()
{
return resourceGroupId;
}
@JsonProperty
public String getQuery()
{
return query;
}
@JsonProperty
public String getUser()
{
return user;
}
@JsonProperty
public Optional<String> getCatalog()
{
return catalog;
}
@JsonProperty
public Optional<String> getSchema()
{
return schema;
}
@JsonProperty
public Optional<List<ResourceGroupInfo>> getResourceGroupChain()
{
return resourceGroupChain;
}
@JsonProperty
public DateTime getCreateTime()
{
return createTime;
}
@JsonProperty
public Optional<QueryProgressStats> getProgress()
{
return progress;
}
}