in spanner-data-validator-java/src/main/java/com/google/migration/dto/session/SessionFileReader.java [27:37]
private static void validateSessionFields(JsonObject sessionJSON) {
if (!sessionJSON.has("SpSchema")) {
throw new IllegalArgumentException("Cannot find \"SpSchema\" field in session file.");
}
if (!sessionJSON.has("SrcSchema")) {
throw new IllegalArgumentException("Cannot find \"SrcSchema\" field in session file.");
}
if (!sessionJSON.has("SyntheticPKeys")) {
throw new IllegalArgumentException("Cannot find \"SyntheticPKeys\" field in session file.");
}
}