[Groovy] KyotoCabinet Sample

KCSample.groovy

import kyotocabinet.*;

// create the object
DB db = new DB();

// open the database
if (!db.open("casket.kch", DB.OWRITER | DB.OCREATE)){
    System.err.println("open error: " + db.error());
}

// store records
if (!db.set("foo", "hop") ||
!db.set("bar", "step") ||
!db.set("baz", "jump")){
    System.err.println("set error: " + db.error());
}

// retrieve records
String value = db.get("foo");
if (value != null){
    System.out.println(value);
} else {
    System.err.println("set error: " + db.error());
}

// traverse records
Cursor cur = db.cursor();
cur.jump();
String[] rec;
while ((rec = cur.get_str(true)) != null) {
    System.out.println(rec[0] + ":" + rec[1]);
}

cur.disable();
if(!db.close()){
    System.err.println("close error: " + db.error());
}