protected void addToLong(String key, long value) {
        synchronized (this.stepExecution) {
            long currentValue = getLongValue(key);
            getExecutionContext().putLong(key, currentValue + value);
        }

    }
protected void addToLong ( String key , long value ) { synchronized ( this . stepExecution ) { long currentValue = getLongValue ( key ) ; getExecutionContext ( ) . putLong ( key , currentValue + value ) ; } }
Adds the specified value to the existing key.

@param key
@param value