/**
* Copyright 2007-2011 Zuse Institute Berlin
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package de.zib.scalaris.examples;
import com.ericsson.otp.erlang.OtpErlangString;
import de.zib.scalaris.AbortException;
import de.zib.scalaris.ConnectionException;
import de.zib.scalaris.TimeoutException;
import de.zib.scalaris.TransactionSingleOp;
import de.zib.scalaris.UnknownException;
/**
* Provides an example for using the <tt>write</tt> methods of the
* {@link TransactionSingleOp} class.
*
* @author Nico Kruber, kruber@zib.de
* @version 2.0
* @since 2.0
*/
public class TransactionSingleOpWriteExample {
/**
* Writes a key/value pair given on the command line with the <tt>write</tt>
* methods of {@link TransactionSingleOp}.<br />
* If no value or key is given, the default key <tt>"key"</tt> and the
* default value <tt>"value"</tt> is used.
*
* @param args
* command line arguments (first argument can be an optional key
* and the second an optional value)
*/
public static void main(final String[] args) {
String key;
String value;
if (args.length == 0) {
key = "key";
value = "value";
} else if (args.length == 1) {
key = args[0];
value = "value";
} else {
key = args[0];
value = args[1];
}
final OtpErlangString otpKey = new OtpErlangString(key);
final OtpErlangString otpValue = new OtpErlangString(value);
System.out.println("Writing values with the class `TransactionSingleOp`:");
try {
System.out.println(" creating object...");
final TransactionSingleOp sc = new TransactionSingleOp();
System.out
.println(" `void writeObject(OtpErlangString, OtpErlangObject)`...");
sc.write(otpKey, otpValue);
System.out.println(" write(" + otpKey.stringValue() + ", "
+ otpValue.stringValue() + ") succeeded");
} catch (final ConnectionException e) {
System.out.println(" write(" + otpKey.stringValue() + ", "
+ otpValue.stringValue() + ") failed: " + e.getMessage());
} catch (final TimeoutException e) {
System.out.println(" write(" + otpKey.stringValue() + ", "
+ otpValue.stringValue() + ") failed with timeout: "
+ e.getMessage());
} catch (final AbortException e) {
System.out.println(" write(" + otpKey.stringValue() + ", "
+ otpValue.stringValue() + ") failed with abort: "
+ e.getMessage());
} catch (final UnknownException e) {
System.out.println(" write(" + otpKey.stringValue() + ", "
+ otpValue.stringValue() + ") failed with unknown: "
+ e.getMessage());
}
try {
System.out.println(" creating object...");
final TransactionSingleOp sc = new TransactionSingleOp();
System.out.println(" `void write(String, String)`...");
sc.write(key, value);
System.out.println(" write(" + key + ", " + value
+ ") succeeded");
} catch (final ConnectionException e) {
System.out.println(" write(" + key + ", " + value
+ ") failed: " + e.getMessage());
} catch (final TimeoutException e) {
System.out.println(" write(" + key + ", " + value
+ ") failed with timeout: " + e.getMessage());
} catch (final AbortException e) {
System.out.println(" write(" + otpKey.stringValue() + ", "
+ otpValue.stringValue() + ") failed with abort: "
+ e.getMessage());
} catch (final UnknownException e) {
System.out.println(" write(" + key + ", " + value
+ ") failed with unknown: " + e.getMessage());
}
}
}