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com.google.cloud.spanner.GrpcStruct Maven / Gradle / Ivy
/*
* Copyright 2024 Google LLC
*
* 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.google.cloud.spanner;
import static com.google.cloud.spanner.AbstractResultSet.throwNotNull;
import static com.google.cloud.spanner.AbstractResultSet.valueProtoToFloat32;
import static com.google.cloud.spanner.AbstractResultSet.valueProtoToFloat64;
import static com.google.cloud.spanner.SpannerExceptionFactory.newSpannerException;
import static com.google.common.base.Preconditions.checkArgument;
import com.google.cloud.ByteArray;
import com.google.cloud.Date;
import com.google.cloud.Timestamp;
import com.google.cloud.spanner.AbstractResultSet.Float32Array;
import com.google.cloud.spanner.AbstractResultSet.Float64Array;
import com.google.cloud.spanner.AbstractResultSet.Int64Array;
import com.google.cloud.spanner.AbstractResultSet.LazyByteArray;
import com.google.cloud.spanner.Type.Code;
import com.google.cloud.spanner.Type.StructField;
import com.google.common.base.Preconditions;
import com.google.common.collect.Lists;
import com.google.common.io.CharSource;
import com.google.protobuf.AbstractMessage;
import com.google.protobuf.ListValue;
import com.google.protobuf.NullValue;
import com.google.protobuf.ProtocolMessageEnum;
import com.google.protobuf.Value.KindCase;
import java.io.IOException;
import java.io.Serializable;
import java.math.BigDecimal;
import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.Base64;
import java.util.BitSet;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.function.Function;
import java.util.stream.Collectors;
class GrpcStruct extends Struct implements Serializable {
private static final com.google.protobuf.Value NULL_VALUE =
com.google.protobuf.Value.newBuilder().setNullValue(NullValue.NULL_VALUE).build();
private final Type type;
private final List rowData;
private final DecodeMode decodeMode;
private final BitSet colDecoded;
private boolean rowDecoded;
/**
* Builds an immutable version of this struct using {@link Struct#newBuilder()} which is used as a
* serialization proxy.
*/
private Object writeReplace() {
Builder builder = Struct.newBuilder();
List structFields = getType().getStructFields();
for (int i = 0; i < structFields.size(); i++) {
Type.StructField field = structFields.get(i);
String fieldName = field.getName();
ensureDecoded(i);
Object value = rowData.get(i);
Type fieldType = field.getType();
switch (fieldType.getCode()) {
case BOOL:
builder.set(fieldName).to((Boolean) value);
break;
case INT64:
builder.set(fieldName).to((Long) value);
break;
case FLOAT64:
builder.set(fieldName).to((Double) value);
break;
case FLOAT32:
builder.set(fieldName).to((Float) value);
break;
case NUMERIC:
builder.set(fieldName).to((BigDecimal) value);
break;
case PG_NUMERIC:
builder.set(fieldName).to((String) value);
break;
case STRING:
builder.set(fieldName).to((String) value);
break;
case JSON:
builder.set(fieldName).to(Value.json((String) value));
break;
case PROTO:
builder
.set(fieldName)
.to(
Value.protoMessage(
value == null ? null : ((LazyByteArray) value).getByteArray(),
fieldType.getProtoTypeFqn()));
break;
case ENUM:
builder.set(fieldName).to(Value.protoEnum((Long) value, fieldType.getProtoTypeFqn()));
break;
case PG_JSONB:
builder.set(fieldName).to(Value.pgJsonb((String) value));
break;
case PG_OID:
builder.set(fieldName).to(Value.pgOid((Long) value));
break;
case BYTES:
builder
.set(fieldName)
.to(
Value.bytesFromBase64(
value == null ? null : ((LazyByteArray) value).getBase64String()));
break;
case TIMESTAMP:
builder.set(fieldName).to((Timestamp) value);
break;
case DATE:
builder.set(fieldName).to((Date) value);
break;
case ARRAY:
final Type elementType = fieldType.getArrayElementType();
switch (elementType.getCode()) {
case BOOL:
builder.set(fieldName).toBoolArray((Iterable) value);
break;
case INT64:
case ENUM:
builder.set(fieldName).toInt64Array((Iterable) value);
break;
case FLOAT64:
builder.set(fieldName).toFloat64Array((Iterable) value);
break;
case FLOAT32:
builder.set(fieldName).toFloat32Array((Iterable) value);
break;
case NUMERIC:
builder.set(fieldName).toNumericArray((Iterable) value);
break;
case PG_NUMERIC:
builder.set(fieldName).toPgNumericArray((Iterable) value);
break;
case STRING:
builder.set(fieldName).toStringArray((Iterable) value);
break;
case JSON:
builder.set(fieldName).toJsonArray((Iterable) value);
break;
case PG_JSONB:
builder.set(fieldName).toPgJsonbArray((Iterable) value);
break;
case PG_OID:
builder.set(fieldName).toPgOidArray((Iterable) value);
break;
case BYTES:
case PROTO:
builder
.set(fieldName)
.toBytesArrayFromBase64(
value == null
? null
: ((List) value)
.stream()
.map(
element -> element == null ? null : element.getBase64String())
.collect(Collectors.toList()));
break;
case TIMESTAMP:
builder.set(fieldName).toTimestampArray((Iterable) value);
break;
case DATE:
builder.set(fieldName).toDateArray((Iterable) value);
break;
case STRUCT:
builder.set(fieldName).toStructArray(elementType, (Iterable) value);
break;
default:
throw new AssertionError("Unhandled array type code: " + elementType);
}
break;
case STRUCT:
if (value == null) {
builder.set(fieldName).to(fieldType, null);
} else {
builder.set(fieldName).to((Struct) value);
}
break;
default:
throw new AssertionError("Unhandled type code: " + fieldType.getCode());
}
}
return builder.build();
}
GrpcStruct(Type type, List rowData, DecodeMode decodeMode) {
this(
type,
rowData,
decodeMode,
/* rowDecoded = */ false,
/* colDecoded = */ decodeMode == DecodeMode.LAZY_PER_COL
? new BitSet(type.getStructFields().size())
: null);
}
private GrpcStruct(
Type type,
List rowData,
DecodeMode decodeMode,
boolean rowDecoded,
BitSet colDecoded) {
this.type = type;
this.rowData = rowData;
this.decodeMode = decodeMode;
this.rowDecoded = rowDecoded;
this.colDecoded = colDecoded;
}
@Override
public String toString() {
return this.rowData.toString();
}
boolean consumeRow(Iterator iterator) {
rowData.clear();
if (decodeMode == DecodeMode.LAZY_PER_ROW) {
rowDecoded = false;
} else if (decodeMode == DecodeMode.LAZY_PER_COL) {
colDecoded.clear();
}
if (!iterator.hasNext()) {
return false;
}
for (Type.StructField fieldType : getType().getStructFields()) {
if (!iterator.hasNext()) {
throw newSpannerException(
ErrorCode.INTERNAL,
"Invalid value stream: end of stream reached before row is complete");
}
com.google.protobuf.Value value = iterator.next();
if (decodeMode == DecodeMode.DIRECT) {
rowData.add(decodeValue(fieldType.getType(), value));
} else {
rowData.add(value);
}
}
return true;
}
private static Object decodeValue(Type fieldType, com.google.protobuf.Value proto) {
if (proto.getKindCase() == KindCase.NULL_VALUE) {
return null;
}
switch (fieldType.getCode()) {
case BOOL:
checkType(fieldType, proto, KindCase.BOOL_VALUE);
return proto.getBoolValue();
case INT64:
case PG_OID:
case ENUM:
checkType(fieldType, proto, KindCase.STRING_VALUE);
return Long.parseLong(proto.getStringValue());
case FLOAT64:
return valueProtoToFloat64(proto);
case FLOAT32:
return valueProtoToFloat32(proto);
case NUMERIC:
checkType(fieldType, proto, KindCase.STRING_VALUE);
return new BigDecimal(proto.getStringValue());
case PG_NUMERIC:
case STRING:
case JSON:
case PG_JSONB:
checkType(fieldType, proto, KindCase.STRING_VALUE);
return proto.getStringValue();
case BYTES:
case PROTO:
checkType(fieldType, proto, KindCase.STRING_VALUE);
return new LazyByteArray(proto.getStringValue());
case TIMESTAMP:
checkType(fieldType, proto, KindCase.STRING_VALUE);
return Timestamp.parseTimestamp(proto.getStringValue());
case DATE:
checkType(fieldType, proto, KindCase.STRING_VALUE);
return Date.parseDate(proto.getStringValue());
case ARRAY:
checkType(fieldType, proto, KindCase.LIST_VALUE);
ListValue listValue = proto.getListValue();
return decodeArrayValue(fieldType.getArrayElementType(), listValue);
case STRUCT:
checkType(fieldType, proto, KindCase.LIST_VALUE);
ListValue structValue = proto.getListValue();
return decodeStructValue(fieldType, structValue);
case UNRECOGNIZED:
return proto;
default:
throw new AssertionError("Unhandled type code: " + fieldType.getCode());
}
}
private static Struct decodeStructValue(Type structType, ListValue structValue) {
List fieldTypes = structType.getStructFields();
checkArgument(
structValue.getValuesCount() == fieldTypes.size(),
"Size mismatch between type descriptor and actual values.");
List fields = new ArrayList<>(fieldTypes.size());
List fieldValues = structValue.getValuesList();
for (int i = 0; i < fieldTypes.size(); ++i) {
fields.add(decodeValue(fieldTypes.get(i).getType(), fieldValues.get(i)));
}
return new GrpcStruct(structType, fields, DecodeMode.DIRECT);
}
static Object decodeArrayValue(Type elementType, ListValue listValue) {
switch (elementType.getCode()) {
case INT64:
case PG_OID:
case ENUM:
// For int64/float64/float32/enum types, use custom containers.
// These avoid wrapper object creation for non-null arrays.
return new Int64Array(listValue);
case FLOAT64:
return new Float64Array(listValue);
case FLOAT32:
return new Float32Array(listValue);
case BOOL:
case NUMERIC:
case PG_NUMERIC:
case STRING:
case JSON:
case PG_JSONB:
case BYTES:
case TIMESTAMP:
case DATE:
case STRUCT:
case PROTO:
return Lists.transform(listValue.getValuesList(), input -> decodeValue(elementType, input));
default:
throw new AssertionError("Unhandled type code: " + elementType.getCode());
}
}
private static void checkType(
Type fieldType, com.google.protobuf.Value proto, KindCase expected) {
if (proto.getKindCase() != expected) {
throw newSpannerException(
ErrorCode.INTERNAL,
"Invalid value for column type "
+ fieldType
+ " expected "
+ expected
+ " but was "
+ proto.getKindCase());
}
}
Struct immutableCopy() {
return new GrpcStruct(
type,
new ArrayList<>(rowData),
this.decodeMode,
this.rowDecoded,
this.colDecoded == null ? null : (BitSet) this.colDecoded.clone());
}
@Override
public Type getType() {
return type;
}
@Override
public boolean isNull(int columnIndex) {
if ((decodeMode == DecodeMode.LAZY_PER_ROW && !rowDecoded)
|| (decodeMode == DecodeMode.LAZY_PER_COL && !colDecoded.get(columnIndex))) {
return ((com.google.protobuf.Value) rowData.get(columnIndex)).hasNullValue();
}
return rowData.get(columnIndex) == null;
}
@Override
protected T getProtoMessageInternal(int columnIndex, T message) {
Preconditions.checkNotNull(
message,
"Proto message may not be null. Use MyProtoClass.getDefaultInstance() as a parameter value.");
ensureDecoded(columnIndex);
try {
return (T)
message
.toBuilder()
.mergeFrom(
Base64.getDecoder()
.wrap(
CharSource.wrap(
((LazyByteArray) rowData.get(columnIndex)).getBase64String())
.asByteSource(StandardCharsets.UTF_8)
.openStream()))
.build();
} catch (IOException ioException) {
throw SpannerExceptionFactory.asSpannerException(ioException);
}
}
@Override
protected T getProtoEnumInternal(
int columnIndex, Function method) {
Preconditions.checkNotNull(
method, "Method may not be null. Use 'MyProtoEnum::forNumber' as a parameter value.");
return (T) method.apply((int) getLongInternal(columnIndex));
}
@Override
protected boolean getBooleanInternal(int columnIndex) {
ensureDecoded(columnIndex);
return (Boolean) rowData.get(columnIndex);
}
@Override
protected long getLongInternal(int columnIndex) {
ensureDecoded(columnIndex);
return (Long) rowData.get(columnIndex);
}
@Override
protected double getDoubleInternal(int columnIndex) {
ensureDecoded(columnIndex);
return (Double) rowData.get(columnIndex);
}
@Override
protected float getFloatInternal(int columnIndex) {
ensureDecoded(columnIndex);
return (Float) rowData.get(columnIndex);
}
@Override
protected BigDecimal getBigDecimalInternal(int columnIndex) {
ensureDecoded(columnIndex);
return (BigDecimal) rowData.get(columnIndex);
}
@Override
protected String getStringInternal(int columnIndex) {
ensureDecoded(columnIndex);
return (String) rowData.get(columnIndex);
}
@Override
protected String getJsonInternal(int columnIndex) {
ensureDecoded(columnIndex);
return (String) rowData.get(columnIndex);
}
@Override
protected String getPgJsonbInternal(int columnIndex) {
ensureDecoded(columnIndex);
return (String) rowData.get(columnIndex);
}
@Override
protected ByteArray getBytesInternal(int columnIndex) {
ensureDecoded(columnIndex);
return getLazyBytesInternal(columnIndex).getByteArray();
}
LazyByteArray getLazyBytesInternal(int columnIndex) {
ensureDecoded(columnIndex);
return (LazyByteArray) rowData.get(columnIndex);
}
@Override
protected Timestamp getTimestampInternal(int columnIndex) {
ensureDecoded(columnIndex);
return (Timestamp) rowData.get(columnIndex);
}
@Override
protected Date getDateInternal(int columnIndex) {
ensureDecoded(columnIndex);
return (Date) rowData.get(columnIndex);
}
private boolean isUnrecognizedType(int columnIndex) {
return type.getStructFields().get(columnIndex).getType().getCode() == Code.UNRECOGNIZED;
}
boolean canGetProtoValue(int columnIndex) {
return isUnrecognizedType(columnIndex)
|| (decodeMode == DecodeMode.LAZY_PER_ROW && !rowDecoded)
|| (decodeMode == DecodeMode.LAZY_PER_COL && !colDecoded.get(columnIndex));
}
protected com.google.protobuf.Value getProtoValueInternal(int columnIndex) {
checkProtoValueSupported(columnIndex);
return (com.google.protobuf.Value) rowData.get(columnIndex);
}
private void checkProtoValueSupported(int columnIndex) {
// Unrecognized types are returned as protobuf values.
if (isUnrecognizedType(columnIndex)) {
return;
}
Preconditions.checkState(
decodeMode != DecodeMode.DIRECT,
"Getting proto value is not supported when DecodeMode#DIRECT is used.");
Preconditions.checkState(
!(decodeMode == DecodeMode.LAZY_PER_ROW && rowDecoded),
"Getting proto value after the row has been decoded is not supported.");
Preconditions.checkState(
!(decodeMode == DecodeMode.LAZY_PER_COL && colDecoded.get(columnIndex)),
"Getting proto value after the column has been decoded is not supported.");
}
private void ensureDecoded(int columnIndex) {
if (decodeMode == DecodeMode.LAZY_PER_ROW && !rowDecoded) {
for (int i = 0; i < rowData.size(); i++) {
rowData.set(
i,
decodeValue(
type.getStructFields().get(i).getType(),
(com.google.protobuf.Value) rowData.get(i)));
}
rowDecoded = true;
} else if (decodeMode == DecodeMode.LAZY_PER_COL && !colDecoded.get(columnIndex)) {
rowData.set(
columnIndex,
decodeValue(
type.getStructFields().get(columnIndex).getType(),
(com.google.protobuf.Value) rowData.get(columnIndex)));
colDecoded.set(columnIndex);
}
}
@Override
protected Value getValueInternal(int columnIndex) {
ensureDecoded(columnIndex);
final List structFields = getType().getStructFields();
final StructField structField = structFields.get(columnIndex);
final Type columnType = structField.getType();
final boolean isNull = rowData.get(columnIndex) == null;
switch (columnType.getCode()) {
case BOOL:
return Value.bool(isNull ? null : getBooleanInternal(columnIndex));
case INT64:
return Value.int64(isNull ? null : getLongInternal(columnIndex));
case ENUM:
return Value.protoEnum(
isNull ? null : getLongInternal(columnIndex), columnType.getProtoTypeFqn());
case NUMERIC:
return Value.numeric(isNull ? null : getBigDecimalInternal(columnIndex));
case PG_NUMERIC:
return Value.pgNumeric(isNull ? null : getStringInternal(columnIndex));
case FLOAT64:
return Value.float64(isNull ? null : getDoubleInternal(columnIndex));
case FLOAT32:
return Value.float32(isNull ? null : getFloatInternal(columnIndex));
case STRING:
return Value.string(isNull ? null : getStringInternal(columnIndex));
case JSON:
return Value.json(isNull ? null : getJsonInternal(columnIndex));
case PG_JSONB:
return Value.pgJsonb(isNull ? null : getPgJsonbInternal(columnIndex));
case PG_OID:
return Value.pgOid(isNull ? null : getLongInternal(columnIndex));
case BYTES:
return Value.internalBytes(isNull ? null : getLazyBytesInternal(columnIndex));
case PROTO:
return Value.protoMessage(
isNull ? null : getBytesInternal(columnIndex), columnType.getProtoTypeFqn());
case TIMESTAMP:
return Value.timestamp(isNull ? null : getTimestampInternal(columnIndex));
case DATE:
return Value.date(isNull ? null : getDateInternal(columnIndex));
case STRUCT:
return Value.struct(isNull ? null : getStructInternal(columnIndex));
case UNRECOGNIZED:
return Value.unrecognized(
isNull ? NULL_VALUE : getProtoValueInternal(columnIndex), columnType);
case ARRAY:
final Type elementType = columnType.getArrayElementType();
switch (elementType.getCode()) {
case BOOL:
return Value.boolArray(isNull ? null : getBooleanListInternal(columnIndex));
case INT64:
return Value.int64Array(isNull ? null : getLongListInternal(columnIndex));
case NUMERIC:
return Value.numericArray(isNull ? null : getBigDecimalListInternal(columnIndex));
case PG_NUMERIC:
return Value.pgNumericArray(isNull ? null : getStringListInternal(columnIndex));
case FLOAT64:
return Value.float64Array(isNull ? null : getDoubleListInternal(columnIndex));
case FLOAT32:
return Value.float32Array(isNull ? null : getFloatListInternal(columnIndex));
case STRING:
return Value.stringArray(isNull ? null : getStringListInternal(columnIndex));
case JSON:
return Value.jsonArray(isNull ? null : getJsonListInternal(columnIndex));
case PG_JSONB:
return Value.pgJsonbArray(isNull ? null : getPgJsonbListInternal(columnIndex));
case PG_OID:
return Value.pgOidArray(isNull ? null : getLongListInternal(columnIndex));
case BYTES:
return Value.bytesArray(isNull ? null : getBytesListInternal(columnIndex));
case PROTO:
return Value.protoMessageArray(
isNull ? null : getBytesListInternal(columnIndex), elementType.getProtoTypeFqn());
case ENUM:
return Value.protoEnumArray(
isNull ? null : getLongListInternal(columnIndex), elementType.getProtoTypeFqn());
case TIMESTAMP:
return Value.timestampArray(isNull ? null : getTimestampListInternal(columnIndex));
case DATE:
return Value.dateArray(isNull ? null : getDateListInternal(columnIndex));
case STRUCT:
return Value.structArray(
elementType, isNull ? null : getStructListInternal(columnIndex));
default:
throw new IllegalArgumentException(
"Invalid array value type " + this.type.getArrayElementType());
}
default:
throw new IllegalArgumentException("Invalid value type " + this.type);
}
}
@Override
protected Struct getStructInternal(int columnIndex) {
ensureDecoded(columnIndex);
return (Struct) rowData.get(columnIndex);
}
@Override
protected boolean[] getBooleanArrayInternal(int columnIndex) {
ensureDecoded(columnIndex);
@SuppressWarnings("unchecked") // We know ARRAY produces a List.
List values = (List) rowData.get(columnIndex);
boolean[] r = new boolean[values.size()];
for (int i = 0; i < values.size(); ++i) {
if (values.get(i) == null) {
throw throwNotNull(columnIndex);
}
r[i] = values.get(i);
}
return r;
}
@Override
@SuppressWarnings("unchecked") // We know ARRAY produces a List.
protected List getBooleanListInternal(int columnIndex) {
ensureDecoded(columnIndex);
return Collections.unmodifiableList((List) rowData.get(columnIndex));
}
@Override
protected long[] getLongArrayInternal(int columnIndex) {
ensureDecoded(columnIndex);
return getLongListInternal(columnIndex).toPrimitiveArray(columnIndex);
}
@Override
protected Int64Array getLongListInternal(int columnIndex) {
ensureDecoded(columnIndex);
return (Int64Array) rowData.get(columnIndex);
}
@Override
protected double[] getDoubleArrayInternal(int columnIndex) {
ensureDecoded(columnIndex);
return getDoubleListInternal(columnIndex).toPrimitiveArray(columnIndex);
}
@Override
protected Float64Array getDoubleListInternal(int columnIndex) {
ensureDecoded(columnIndex);
return (Float64Array) rowData.get(columnIndex);
}
@Override
protected float[] getFloatArrayInternal(int columnIndex) {
ensureDecoded(columnIndex);
return getFloatListInternal(columnIndex).toPrimitiveArray(columnIndex);
}
@Override
protected Float32Array getFloatListInternal(int columnIndex) {
ensureDecoded(columnIndex);
return (Float32Array) rowData.get(columnIndex);
}
@Override
@SuppressWarnings("unchecked") // We know ARRAY produces a List.
protected List getBigDecimalListInternal(int columnIndex) {
ensureDecoded(columnIndex);
return (List) rowData.get(columnIndex);
}
@Override
@SuppressWarnings("unchecked") // We know ARRAY produces a List.
protected List getStringListInternal(int columnIndex) {
ensureDecoded(columnIndex);
return Collections.unmodifiableList((List) rowData.get(columnIndex));
}
@Override
@SuppressWarnings("unchecked") // We know ARRAY produces a List.
protected List getJsonListInternal(int columnIndex) {
ensureDecoded(columnIndex);
return Collections.unmodifiableList((List) rowData.get(columnIndex));
}
@Override
@SuppressWarnings("unchecked") // We know ARRAY produces a List.
protected List getProtoMessageListInternal(
int columnIndex, T message) {
Preconditions.checkNotNull(
message,
"Proto message may not be null. Use MyProtoClass.getDefaultInstance() as a parameter value.");
ensureDecoded(columnIndex);
List bytesArray = (List) rowData.get(columnIndex);
try {
List protoMessagesList = new ArrayList<>(bytesArray.size());
for (LazyByteArray protoMessageBytes : bytesArray) {
if (protoMessageBytes == null) {
protoMessagesList.add(null);
} else {
protoMessagesList.add(
(T)
message
.toBuilder()
.mergeFrom(
Base64.getDecoder()
.wrap(
CharSource.wrap(protoMessageBytes.getBase64String())
.asByteSource(StandardCharsets.UTF_8)
.openStream()))
.build());
}
}
return protoMessagesList;
} catch (IOException ioException) {
throw SpannerExceptionFactory.asSpannerException(ioException);
}
}
@Override
@SuppressWarnings("unchecked") // We know ARRAY produces a List.
protected List getProtoEnumListInternal(
int columnIndex, Function method) {
Preconditions.checkNotNull(
method, "Method may not be null. Use 'MyProtoEnum::forNumber' as a parameter value.");
ensureDecoded(columnIndex);
List enumIntArray = (List) rowData.get(columnIndex);
List protoEnumList = new ArrayList<>(enumIntArray.size());
for (Long enumIntValue : enumIntArray) {
if (enumIntValue == null) {
protoEnumList.add(null);
} else {
protoEnumList.add((T) method.apply(enumIntValue.intValue()));
}
}
return protoEnumList;
}
@Override
@SuppressWarnings("unchecked") // We know ARRAY produces a List.
protected List getPgJsonbListInternal(int columnIndex) {
ensureDecoded(columnIndex);
return Collections.unmodifiableList((List) rowData.get(columnIndex));
}
@Override
@SuppressWarnings("unchecked") // We know ARRAY produces a List.
protected List getBytesListInternal(int columnIndex) {
ensureDecoded(columnIndex);
return Lists.transform(
(List) rowData.get(columnIndex), l -> l == null ? null : l.getByteArray());
}
@Override
@SuppressWarnings("unchecked") // We know ARRAY produces a List.
protected List getTimestampListInternal(int columnIndex) {
ensureDecoded(columnIndex);
return Collections.unmodifiableList((List) rowData.get(columnIndex));
}
@Override
@SuppressWarnings("unchecked") // We know ARRAY produces a List.
protected List getDateListInternal(int columnIndex) {
ensureDecoded(columnIndex);
return Collections.unmodifiableList((List) rowData.get(columnIndex));
}
@Override
@SuppressWarnings("unchecked") // We know ARRAY> produces a List.
protected List getStructListInternal(int columnIndex) {
ensureDecoded(columnIndex);
return Collections.unmodifiableList((List) rowData.get(columnIndex));
}
}
