endValue = context.getConfiguration().getFloat(END_VALUE, Float.MAX_VALUE);
} else {
throw new IOException("Class " + valueClass + " is an unsupported value class");
}
this.startChecker = new ElementChecker(key, Compare.GREATER_THAN_EQUAL, startValue);
this.endChecker = new ElementChecker(key, Compare.LESS_THAN, endValue);
}