moved examples under doc per Erik

1 files changed, 87 insertions, 0 deletions

diff --git a/docs/dist/doc/examples/telecom/Connection.java b/docs/dist/doc/examples/telecom/Connection.java
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+++ b/docs/dist/doc/examples/telecom/Connection.java
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+/*
+
+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;
+
+/**
+ * Connections are circuits between customers
+ * There are two kinds: local and long distance
+ * see subclasses at the end of this file.
+ */
+public abstract class Connection {
+
+    public static final int PENDING = 0;
+    public static final int COMPLETE = 1;
+    public static final int DROPPED = 2;
+
+    Customer caller, receiver;
+    private int state = PENDING;
+
+    /**
+     * Creatte a new Connection between a and b
+     */
+    Connection(Customer a, Customer b) {
+        this.caller = a;
+        this.receiver = b;
+    }
+
+    /**
+     * what is the state of the connection?
+     */
+    public int getState(){
+	return state;
+    }
+
+    /**
+     * get the customer who initiated this connection
+     */
+    public Customer getCaller() { return caller; }
+
+    /**
+     * get the customer who received this connection
+     */
+    public Customer getReceiver() { return receiver; }
+
+    /**
+     * Called when a call is picked up.  This means the b side has picked up
+     * and the connection should now complete itself and start passing data.
+     */
+    void complete() {
+        state = COMPLETE;
+        System.out.println("connection completed");
+    }
+
+    /**
+     * Called when the connection is dropped from a call.  Is intended to
+     * free up any resources the connection was consuming.
+     */
+    void drop() {
+	state = DROPPED;
+        System.out.println("connection dropped");
+    }
+
+    /**
+     * Is customer c connected by this connection?
+     */
+    public boolean connects(Customer c){
+	return (caller == c || receiver == c);
+    }
+
+}
+
+
+