utils/src/main/java/com/streamsets/datacollector/io/DataStore.java
public boolean exists() throws IOException {
    acquireLock();
    try {
      verifyAndRecover();
      return Files.exists(file) && Files.size(file) > 0;
    } finally {
      release();
    }
  }
public boolean exists() throws IOException {
    acquireLock();
    try {
      verifyAndRecover();
      return Files.exists(file) && Files.size(file) > 0;
    } finally {
      release();
    }
  }
public boolean exists ( ) throws IOException { acquireLock ( ) ; try { verifyAndRecover ( ) ; return Files . exists ( file ) && Files . size ( file ) > 0 ; } finally { release ( ) ; } }
Check if the DataStore exists and contains data.
This method will check for the presence of the set of files that can be used to read data from the store.
Check if the DataStore exists and contains data . This method will check for the presence of the set of files that can be used to read data from the store .