question: gets the id of the stream that this tuple was emitted to . concode_field_sep com.twitter.heron.api.tuple.Tuple delegate concode_field_sep Byte getByte concode_elem_sep List<Object> select concode_elem_sep Double getDouble concode_elem_sep Integer getInteger concode_elem_sep Boolean getBooleanByField concode_elem_sep com.twitter.heron.api.tuple.Tuple getDelegate concode_elem_sep Float getFloat concode_elem_sep String getStringByField concode_elem_sep int fieldIndex concode_elem_sep Double getDoubleByField concode_elem_sep void resetValues concode_elem_sep Byte getByteByField concode_elem_sep Boolean getBoolean concode_elem_sep Long getLongByField concode_elem_sep Short getShortByField concode_elem_sep Object getValueByField concode_elem_sep List<Object> getValues concode_elem_sep Short getShort concode_elem_sep byte[] getBinaryByField concode_elem_sep String getSourceComponent concode_elem_sep String getString concode_elem_sep Long getLong concode_elem_sep Object getValue concode_elem_sep boolean contains concode_elem_sep Integer getIntegerByField concode_elem_sep Fields getFields concode_elem_sep int size concode_elem_sep int getSourceTask concode_elem_sep Float getFloatByField concode_elem_sep byte[] getBinary
target: String function ( ) { return delegate . getSourceStreamId ( ) ; }