How to use

getColumnCount

method

in

com.google.cloud.spanner.Struct

@Override
public int hashCode() {
 int result = getType().hashCode();
 for (int i = 0; i < getColumnCount(); ++i) {
  result = 31 * result + Objects.hashCode(getAsObject(i));
 }
 return result;
}

@Override
public boolean equals(Object o) {
 if (this == o) {
  return true;
 }
 if (!(o instanceof Struct)) {
  return false;
 }
 Struct that = (Struct) o;
 if (!getType().equals(that.getType())) {
  return false;
 }
 for (int i = 0; i < getColumnCount(); ++i) {
  if (!Objects.equals(getAsObject(i), that.getAsObject(i))) {
   return false;
  }
 }
 return true;
}

 @Override
 com.google.protobuf.Value valueToProto() {
  checkNotNull();
  ListValue.Builder struct = ListValue.newBuilder();
  for (int fieldIndex = 0; fieldIndex < value.getColumnCount(); ++fieldIndex) {
   if (value.isNull(fieldIndex)) {
    struct.addValues(NULL_PROTO);
   } else {
    struct.addValues(getValue(fieldIndex).toProto());
   }
  }
  return com.google.protobuf.Value.newBuilder().setListValue(struct).build();
 }
}

private void assertRow(Struct actualRow, JSONArray expectedRow) throws Exception {
 assertThat(actualRow.getColumnCount()).isEqualTo(expectedRow.length());
 for (int i = 0; i < expectedRow.length(); i++) {
  switch (actualRow.getColumnType(i).getCode()) {
   case BOOL:
    assertThat(actualRow.getBoolean(i)).isEqualTo(expectedRow.getBoolean(i));
    break;
   case STRING:
    assertThat(actualRow.getString(i)).isEqualTo(expectedRow.getString(i));
    break;
   case INT64:
    assertThat(actualRow.getLong(i)).isEqualTo(expectedRow.getLong(i));
    break;
   case FLOAT64:
    assertThat(actualRow.getDouble(i)).isEqualTo(expectedRow.getDouble(i));
    break;
   case BYTES:
    assertThat(actualRow.getBytes(i))
      .isEqualTo(ByteArray.fromBase64(expectedRow.getString(i)));
    break;
   case ARRAY:
    Type elementType = actualRow.getColumnType(i).getArrayElementType();
    assertArray(getRawList(actualRow, i, elementType), expectedRow.getJSONArray(i));
    break;
   default:
    Assert.fail("Unexpected type code:" + actualRow.getColumnType(i).getCode());
  }
 }
}

Struct row = c.element();
long sum = 0;
for (int i = 0; i < row.getColumnCount(); i++) {
 if (row.isNull(i)) {
  continue;

@Override
public int hashCode() {
 int result = getType().hashCode();
 for (int i = 0; i < getColumnCount(); ++i) {
  result = 31 * result + Objects.hashCode(getAsObject(i));
 }
 return result;
}

@Override
public boolean equals(Object o) {
 if (this == o) {
  return true;
 }
 if (!(o instanceof Struct)) {
  return false;
 }
 Struct that = (Struct) o;
 if (!getType().equals(that.getType())) {
  return false;
 }
 for (int i = 0; i < getColumnCount(); ++i) {
  if (!Objects.equals(getAsObject(i), that.getAsObject(i))) {
   return false;
  }
 }
 return true;
}

 @Override
 com.google.protobuf.Value valueToProto() {
  checkNotNull();
  ListValue.Builder struct = ListValue.newBuilder();
  for (int fieldIndex = 0; fieldIndex < value.getColumnCount(); ++fieldIndex) {
   if (value.isNull(fieldIndex)) {
    struct.addValues(NULL_PROTO);
   } else {
    struct.addValues(getValue(fieldIndex).toProto());
   }
  }
  return com.google.protobuf.Value.newBuilder().setListValue(struct).build();
 }
}