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Trino - Delta Lake connector
/*
* 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 io.trino.plugin.deltalake.transactionlog;
import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.annotation.JsonProperty;
import java.util.Map;
import java.util.Optional;
import static io.trino.plugin.deltalake.transactionlog.TransactionLogUtil.canonicalizePartitionValues;
import static java.lang.String.format;
public class CdcEntry
{
private final String path;
private final Map partitionValues;
private final Map> canonicalPartitionValues;
private final long size;
private final boolean dataChange;
@JsonCreator
public CdcEntry(
@JsonProperty("path") String path,
@JsonProperty("partitionValues") Map partitionValues,
@JsonProperty("size") long size)
{
this.path = path;
this.partitionValues = partitionValues;
this.canonicalPartitionValues = canonicalizePartitionValues(partitionValues);
this.size = size;
this.dataChange = false;
}
@JsonProperty
public String getPath()
{
return path;
}
@JsonProperty
public Map getPartitionValues()
{
return partitionValues;
}
@JsonIgnore // derived from partitionValues
public Map> getCanonicalPartitionValues()
{
return canonicalPartitionValues;
}
@JsonProperty
public long getSize()
{
return size;
}
@JsonProperty("dataChange")
public boolean isDataChange()
{
return dataChange;
}
@Override
public String toString()
{
return format("CdcEntry{path=%s, partitionValues=%s, size=%d, dataChange=%b}",
path, partitionValues, size, dataChange);
}
}