/*
* Druid - a distributed column store.
* Copyright (C) 2012, 2013 Metamarkets Group Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package io.druid.segment.incremental;
import io.druid.data.input.impl.DimensionsSpec;
import io.druid.data.input.impl.InputRowParser;
import io.druid.granularity.QueryGranularity;
import io.druid.query.aggregation.AggregatorFactory;
/**
*/
public class IncrementalIndexSchema
{
private final long minTimestamp;
private final QueryGranularity gran;
private final DimensionsSpec dimensionsSpec;
private final AggregatorFactory[] metrics;
public IncrementalIndexSchema(
long minTimestamp,
QueryGranularity gran,
DimensionsSpec dimensionsSpec,
AggregatorFactory[] metrics
)
{
this.minTimestamp = minTimestamp;
this.gran = gran;
this.dimensionsSpec = dimensionsSpec;
this.metrics = metrics;
}
public long getMinTimestamp()
{
return minTimestamp;
}
public QueryGranularity getGran()
{
return gran;
}
public DimensionsSpec getDimensionsSpec()
{
return dimensionsSpec;
}
public AggregatorFactory[] getMetrics()
{
return metrics;
}
public static class Builder
{
private long minTimestamp;
private QueryGranularity gran;
private DimensionsSpec dimensionsSpec;
private AggregatorFactory[] metrics;
public Builder()
{
this.minTimestamp = 0L;
this.gran = QueryGranularity.NONE;
this.dimensionsSpec = new DimensionsSpec(null, null, null);
this.metrics = new AggregatorFactory[]{};
}
public Builder withMinTimestamp(long minTimestamp)
{
this.minTimestamp = minTimestamp;
return this;
}
public Builder withQueryGranularity(QueryGranularity gran)
{
this.gran = gran;
return this;
}
public Builder withDimensionsSpec(DimensionsSpec dimensionsSpec)
{
this.dimensionsSpec = dimensionsSpec;
return this;
}
public Builder withDimensionsSpec(InputRowParser parser)
{
if (parser != null
&& parser.getParseSpec() != null
&& parser.getParseSpec().getDimensionsSpec() != null) {
this.dimensionsSpec = parser.getParseSpec().getDimensionsSpec();
} else {
this.dimensionsSpec = new DimensionsSpec(null, null, null);
}
return this;
}
public Builder withMetrics(AggregatorFactory[] metrics)
{
this.metrics = metrics;
return this;
}
public IncrementalIndexSchema build()
{
return new IncrementalIndexSchema(
minTimestamp, gran, dimensionsSpec, metrics
);
}
}
}