com.datastax.dse.driver.internal.core.metadata.schema.parsing.DseAggregateParser Maven / Gradle / Ivy
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package com.datastax.dse.driver.internal.core.metadata.schema.parsing;
import com.datastax.dse.driver.api.core.metadata.schema.DseAggregateMetadata;
import com.datastax.dse.driver.internal.core.metadata.schema.DefaultDseAggregateMetadata;
import com.datastax.oss.driver.api.core.CqlIdentifier;
import com.datastax.oss.driver.api.core.metadata.schema.AggregateMetadata;
import com.datastax.oss.driver.api.core.type.UserDefinedType;
import com.datastax.oss.driver.internal.core.adminrequest.AdminRow;
import com.datastax.oss.driver.internal.core.context.InternalDriverContext;
import com.datastax.oss.driver.internal.core.metadata.schema.parsing.AggregateParser;
import com.datastax.oss.driver.internal.core.metadata.schema.parsing.DataTypeParser;
import java.util.Map;
import net.jcip.annotations.ThreadSafe;
@ThreadSafe
public class DseAggregateParser {
private final AggregateParser aggregateParser;
private final InternalDriverContext context;
public DseAggregateParser(DataTypeParser dataTypeParser, InternalDriverContext context) {
this.aggregateParser = new AggregateParser(dataTypeParser, context);
this.context = context;
}
public DseAggregateMetadata parseAggregate(
AdminRow row,
CqlIdentifier keyspaceId,
Map userDefinedTypes) {
AggregateMetadata aggregate = aggregateParser.parseAggregate(row, keyspaceId, userDefinedTypes);
// parse the DSE extended columns
final Boolean deterministic =
row.contains("deterministic") ? row.getBoolean("deterministic") : null;
return new DefaultDseAggregateMetadata(
aggregate.getKeyspace(),
aggregate.getSignature(),
aggregate.getFinalFuncSignature().orElse(null),
aggregate.getInitCond().orElse(null),
aggregate.getReturnType(),
aggregate.getStateFuncSignature(),
aggregate.getStateType(),
context.getCodecRegistry().codecFor(aggregate.getStateType()),
deterministic);
}
}