diff options
author | Alexander Kriegisch <Alexander@Kriegisch.name> | 2024-01-04 10:12:59 +0700 |
---|---|---|
committer | Alexander Kriegisch <Alexander@Kriegisch.name> | 2024-01-06 10:09:11 +0100 |
commit | 61ceb8a58ea72d4c07ff0b2f669d5f84b75700ec (patch) | |
tree | 857d468f6c8cc4d83370ed9d526e79f3abdb3f2a /docs/examples/telecom/Call.java | |
parent | f7962810eca3ddda75d64b85caab2449eeff480e (diff) | |
download | aspectj-61ceb8a58ea72d4c07ff0b2f669d5f84b75700ec.tar.gz aspectj-61ceb8a58ea72d4c07ff0b2f669d5f84b75700ec.zip |
Move docs examples directory two levels up
Now, the location more closely resembles where it is on the website.
Signed-off-by: Alexander Kriegisch <Alexander@Kriegisch.name>
Diffstat (limited to 'docs/examples/telecom/Call.java')
-rw-r--r-- | docs/examples/telecom/Call.java | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/docs/examples/telecom/Call.java b/docs/examples/telecom/Call.java new file mode 100644 index 000000000..3d3489e86 --- /dev/null +++ b/docs/examples/telecom/Call.java @@ -0,0 +1,97 @@ +/* + +Copyright (c) Xerox Corporation 1998-2002. All rights reserved. + +Use and copying of this software and preparation of derivative works based +upon this software are permitted. Any distribution of this software or +derivative works must comply with all applicable United States export control +laws. + +This software is made available AS IS, and Xerox Corporation makes no warranty +about the software, its performance or its conformity to any specification. + +|<--- this code is formatted to fit into 80 columns --->| +|<--- this code is formatted to fit into 80 columns --->| +|<--- this code is formatted to fit into 80 columns --->| + +*/ +package telecom; +import java.util.Vector; +import java.util.Enumeration; + +/** + * A call supports the process of a customer trying to + * connect to others. + */ +public class Call { + + private Customer caller, receiver; + private Vector connections = new Vector(); + + /** + * Create a new call connecting caller to receiver + * with a new connection. This should really only be + * called by Customer.call(..) + */ + public Call(Customer caller, Customer receiver) { + this.caller = caller; + this.receiver = receiver; + Connection c; + if (receiver.localTo(caller)) { + c = new Local(caller, receiver); + } else { + c = new LongDistance(caller, receiver); + } + connections.addElement(c); + } + + /** + * picking up a call completes the current connection + * (this means that you shouldnt merge calls until + * they are completed) + */ + public void pickup() { + Connection connection = (Connection)connections.lastElement(); + connection.complete(); + } + + + /** + * Is the call in a connected state? + */ + public boolean isConnected(){ + return ((Connection)connections.lastElement()).getState() + == Connection.COMPLETE; + } + + /** + * hanging up a call drops the connection + */ + public void hangup(Customer c) { + for(Enumeration e = connections.elements(); e.hasMoreElements();) { + ((Connection)e.nextElement()).drop(); + } + } + + /** + * is Customer c one of the customers in this call? + */ + public boolean includes(Customer c){ + boolean result = false; + for(Enumeration e = connections.elements(); e.hasMoreElements();) { + result = result || ((Connection)e.nextElement()).connects(c); + } + return result; + } + + /** + * Merge all connections from call 'other' into 'this' + */ + public void merge(Call other){ + for(Enumeration e = other.connections.elements(); e.hasMoreElements();){ + Connection conn = (Connection)e.nextElement(); + other.connections.removeElement(conn); + connections.addElement(conn); + } + } +} |