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add method: #86

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34 changes: 34 additions & 0 deletions lmdbjni/src/main/java/org/fusesource/lmdbjni/BufferCursor.java
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Original file line number Diff line number Diff line change
Expand Up @@ -320,6 +320,17 @@ public void delete() {
cursor.delete();
}


/**
* <p>
* Delete key/data. Only for
* {@link org.fusesource.lmdbjni.Constants#DUPSORT}.
* </p>
*/
public void deleteDup() {
cursor.deleteIncludingDups();
}

/**
* Close the cursor and the transaction.
*/
Expand Down Expand Up @@ -350,6 +361,29 @@ public boolean put() {
}
}


/**
* general purpose put method, so client can have more control
* of the flag they need.
*/
public boolean put(int flag) {
DirectBuffer k = (keyWriteIndex != 0) ?
new DirectBuffer(key.addressOffset(), keyWriteIndex) : key;
DirectBuffer v = (valWriteIndex != 0) ?
new DirectBuffer(value.addressOffset(), valWriteIndex) : value;
keyWriteIndex = 0;
valWriteIndex = 0;
int rc = cursor.put(k, v, flag);
if (rc == 0) {
return true;
} else {
String msg = Util.string(mdb_strerror(rc));
throw new LMDBException(msg, rc);
}
}



/**
* Stores key/data pairs in the database replacing any
* previously existing key. Also used for adding duplicates.
Expand Down