net.esper.eql.parse
Class ASTParameterHelper

java.lang.Object
  extended by net.esper.eql.parse.ASTParameterHelper
All Implemented Interfaces:
EqlEvalTokenTypes

public class ASTParameterHelper
extends Object
implements EqlEvalTokenTypes

Parse AST parameter nodes including constants, arrays, lists. Distinguishes between uniform and non-uniform arrays.


Field Summary
 
Fields inherited from interface net.esper.eql.generated.EqlEvalTokenTypes
ALL, AND_EXPR, ARRAY_EXPR, ARRAY_PARAM_LIST, AS, ASC, AVEDEV, AVG, BAND, BAND_ASSIGN, BETWEEN, BNOT, BOGUS, BOOL_TYPE, BOR, BOR_ASSIGN, BSR, BSR_ASSIGN, BXOR, BXOR_ASSIGN, BY, CASE, CASE2, CLASS_IDENT, COALESCE, COLON, COMMA, CONCAT, COUNT, DATABASE_JOIN_EXPR, DAY_PART, DBFROM_CLAUSE, DBSELECT_EXPR, DBWHERE_CLAUSE, DEC, DESC, DISTINCT, DIV, DIV_ASSIGN, DOT, DOUBLE_TYPE, ELSE, END, EOF, EQUAL, EQUALS, ESC, ESCAPE, EVAL_AND_EXPR, EVAL_BITWISE_EXPR, EVAL_EQUALS_EXPR, EVAL_IDENT, EVAL_NOTEQUALS_EXPR, EVAL_OR_EXPR, EVENT_FILTER_BETWEEN, EVENT_FILTER_EXPR, EVENT_FILTER_IDENT, EVENT_FILTER_IN, EVENT_FILTER_NAME_TAG, EVENT_FILTER_NOT_BETWEEN, EVENT_FILTER_NOT_IN, EVENT_FILTER_NOT_RANGE, EVENT_FILTER_PARAM, EVENT_FILTER_RANGE, EVENT_LIMIT_EXPR, EVENT_PROP_EXPR, EVENT_PROP_INDEXED, EVENT_PROP_MAPPED, EVENT_PROP_SIMPLE, EVENTS, EVERY_EXPR, EXPONENT, FIRST, FLOAT_SUFFIX, FLOAT_TYPE, FOLLOWED_BY, FOLLOWED_BY_EXPR, FROM, FULL, FULL_OUTERJOIN_EXPR, GE, GROUP, GROUP_BY_EXPR, GT, GUARD_EXPR, HAVING, HAVING_EXPR, HEX_DIGIT, HOUR_PART, IDENT, IN_RANGE, IN_SET, INC, INSERT, INSERTINTO_EXPR, INSERTINTO_EXPRCOL, INSERTINTO_STREAM_NAME, INT_TYPE, INTO, IS, ISTREAM, JOIN, LAND, LAST, LBRACK, LCURLY, LE, LEFT, LEFT_OUTERJOIN_EXPR, LIB_FUNCTION, LIKE, LITERAL_day, LITERAL_days, LITERAL_false, LITERAL_hour, LITERAL_hours, LITERAL_millisecond, LITERAL_milliseconds, LITERAL_minute, LITERAL_msec, LITERAL_null, LITERAL_sec, LITERAL_second, LITERAL_true, LNOT, LONG_TYPE, LOR, LPAREN, LT, MAX, MEDIAN, MILLISECOND_PART, MIN, MIN_LIMIT_EXPR, MINUS, MINUS_ASSIGN, MINUTE_PART, MINUTES, ML_COMMENT, MOD, MOD_ASSIGN, NOT_BETWEEN, NOT_EQUAL, NOT_EXPR, NOT_IN_RANGE, NOT_IN_SET, NOT_LIKE, NOT_REGEXP, NULL_TREE_LOOKAHEAD, NULL_TYPE, NUM_DOUBLE, NUM_FLOAT, NUM_INT, NUM_LONG, NUMERIC_PARAM_FREQUENCE, NUMERIC_PARAM_FREQUENCY, NUMERIC_PARAM_LIST, NUMERIC_PARAM_RANGE, OBSERVER_EXPR, ON, OR_EXPR, ORDER, ORDER_BY_EXPR, ORDER_ELEMENT_EXPR, OUTER, OUTERJOIN_EXPR, OUTPUT, PATTERN, PATTERN_INCL_EXPR, PLUS, PLUS_ASSIGN, PREVIOUS, PRIOR, QUESTION, QUOTED_STRING_LITERAL, RBRACK, RCURLY, REGEXP, RIGHT, RIGHT_OUTERJOIN_EXPR, RPAREN, RSTREAM, SEC_LIMIT_EXPR, SECOND_PART, SECONDS, SELECT, SELECTION_ELEMENT_EXPR, SELECTION_EXPR, SEMI, SL, SL_ASSIGN, SL_COMMENT, SQL, SQL_NE, SR, SR_ASSIGN, STAR, STAR_ASSIGN, STDDEV, STREAM_EXPR, STRING_LITERAL, STRING_TYPE, SUM, THEN, TIME_PERIOD, UNARY_MINUS, VIEW_EXPR, WHEN, WHERE, WHERE_EXPR, WILDCARD_SELECT, WS
 
Constructor Summary
ASTParameterHelper()
           
 
Method Summary
static Object makeParameter(antlr.collections.AST parameterNode)
          Returns the parse Object for the parameter/constant AST node whose text to parse.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

ASTParameterHelper

public ASTParameterHelper()
Method Detail

makeParameter

public static Object makeParameter(antlr.collections.AST parameterNode)
                            throws ASTWalkException
Returns the parse Object for the parameter/constant AST node whose text to parse.

Parameters:
parameterNode - - AST node to parse
Returns:
object value
Throws:
ASTWalkException - is thrown to indicate a parse error