public String toString() {
		StringBuilder buf = new StringBuilder()
				.append("SecondLevelCacheStatistics")
				.append("[hitCount=").append(this.hitCount)
				.append(",missCount=").append(this.missCount)
				.append(",putCount=").append(this.putCount);
		//not sure if this would ever be null but wanted to be careful
		if (region != null) {
			buf.append(",elementCountInMemory=").append(this.getElementCountInMemory())
					.append(",elementCountOnDisk=").append(this.getElementCountOnDisk())
					.append(",sizeInMemory=").append(this.getSizeInMemory());
		}
		buf.append(']');
		return buf.toString();
	}