package com.datastax.dse.driver.internal.core.metadata.schema.parsing;
import com.datastax.dse.driver.api.core.metadata.schema.DseFunctionMetadata;
import com.datastax.dse.driver.internal.core.metadata.schema.DefaultDseFunctionMetadata;
import com.datastax.oss.driver.api.core.CqlIdentifier;
import com.datastax.oss.driver.api.core.metadata.schema.FunctionMetadata;
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.DataTypeParser;
import com.datastax.oss.driver.internal.core.metadata.schema.parsing.FunctionParser;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
import net.jcip.annotations.ThreadSafe;
@ThreadSafe
public class DseFunctionParser {
private final FunctionParser functionParser;
public DseFunctionParser(DataTypeParser dataTypeParser, InternalDriverContext context) {
this.functionParser = new FunctionParser(dataTypeParser, context);
}
public DseFunctionMetadata parseFunction(
AdminRow row,
CqlIdentifier keyspaceId,
Map<CqlIdentifier, UserDefinedType> userDefinedTypes) {
FunctionMetadata function = functionParser.parseFunction(row, keyspaceId, userDefinedTypes);
final Boolean deterministic =
row.contains("deterministic") ? row.getBoolean("deterministic") : null;
final Boolean monotonic = row.contains("monotonic") ? row.getBoolean("monotonic") : null;
final List<CqlIdentifier> monotonicOn =
row.contains("monotonic_on")
? row.getListOfString("monotonic_on").stream()
.map(CqlIdentifier::fromInternal)
.collect(Collectors.toList())
: Collections.emptyList();
return new DefaultDseFunctionMetadata(
function.getKeyspace(),
function.getSignature(),
function.getParameterNames(),
function.getBody(),
function.isCalledOnNullInput(),
function.getLanguage(),
function.getReturnType(),
deterministic,
monotonic,
monotonicOn);
}
}