com.dslplatform.json
Class DslJson.SimpleStringCache

java.lang.Object
  com.dslplatform.json.DslJson.SimpleStringCache

All Implemented Interfaces:

StringCache

Enclosing class:

DslJson<TContext>

public static class DslJson.SimpleStringCache
extends Object
implements StringCache

Simplistic string cache implementation. It uses a fixed String[] structure in which it caches string value based on it's hash. Eg, hash & mask provide index into the structure. Different string with same hash will overwrite the previous one.

Constructor Summary

DslJson.SimpleStringCache()
Will use String[] with 1024 elements.

DslJson.SimpleStringCache(int log2Size)

Method Summary

String

get(char[] chars, int len) Calculates hash of the provided "string" and looks it up from the String[] It it doesn't exists of a different string is already there a new String instance is created and saved into the String[]

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DslJson.SimpleStringCache

public DslJson.SimpleStringCache()

Will use String[] with 1024 elements.

DslJson.SimpleStringCache

public DslJson.SimpleStringCache(int log2Size)

Method Detail

get

public String get(char[] chars,
                  int len)

Calculates hash of the provided "string" and looks it up from the String[] It it doesn't exists of a different string is already there a new String instance is created and saved into the String[]

Specified by:

get in interface StringCache

Parameters:

chars - buffer into which string was parsed

len - the string length inside the buffer

Returns:

String instance matching the char[]/int pair