/*
* 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.orc;
import com.facebook.presto.orc.metadata.OrcType.OrcTypeKind;
import com.google.common.collect.ImmutableList;
import java.util.List;
import static com.google.common.base.MoreObjects.toStringHelper;
import static java.util.Objects.requireNonNull;
public final class StreamDescriptor
{
private final String streamName;
private final int streamId;
private final OrcTypeKind streamType;
private final String fieldName;
private final OrcDataSource orcDataSource;
private final List<StreamDescriptor> nestedStreams;
public StreamDescriptor(String streamName, int streamId, String fieldName, OrcTypeKind streamType, OrcDataSource orcDataSource, List<StreamDescriptor> nestedStreams)
{
this.streamName = requireNonNull(streamName, "streamName is null");
this.streamId = streamId;
this.fieldName = requireNonNull(fieldName, "fieldName is null");
this.streamType = requireNonNull(streamType, "type is null");
this.orcDataSource = requireNonNull(orcDataSource, "orcDataSource is null");
this.nestedStreams = ImmutableList.copyOf(requireNonNull(nestedStreams, "nestedStreams is null"));
}
public String getStreamName()
{
return streamName;
}
public int getStreamId()
{
return streamId;
}
public OrcTypeKind getStreamType()
{
return streamType;
}
public String getFieldName()
{
return fieldName;
}
public OrcDataSourceId getOrcDataSourceId()
{
return orcDataSource.getId();
}
public OrcDataSource getOrcDataSource()
{
return orcDataSource;
}
public List<StreamDescriptor> getNestedStreams()
{
return nestedStreams;
}
@Override
public String toString()
{
return toStringHelper(this)
.add("streamName", streamName)
.add("streamId", streamId)
.add("streamType", streamType)
.add("dataSource", orcDataSource.getId())
.toString();
}
}