protected SequencePattern( String patternStr, SequencePattern.PatternExpr nodeSequencePattern, SequenceMatchAction<T> action) { this.patternStr = patternStr; this.patternExpr = nodeSequencePattern; this.action = action; nodeSequencePattern = new GroupPatternExpr(nodeSequencePattern, true); this.totalGroups = nodeSequencePattern.assignGroupIds(0); Frag f = nodeSequencePattern.build(); f.connect(MATCH_STATE); this.root = f.start; varGroupBindings = new VarGroupBindings(totalGroups + 1); nodeSequencePattern.updateBindings(varGroupBindings); }