From 21b9bdf9da645a9b392db0e7ec132fb9aeed5339 Mon Sep 17 00:00:00 2001
From: Cliff Click <cliffc@acm.org>
Date: Mon, 21 Sep 2026 21:12:19 -0700
Subject: Define a new graph interaction API

---
 pom.xml | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'pom.xml')

diff --git a/pom.xml b/pom.xml
index edf08496..19ef8b74 100644
--- a/pom.xml
+++ b/pom.xml
@@ -50,6 +50,8 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.source>21</maven.compiler.source>
         <maven.compiler.target>21</maven.compiler.target>
+        <!-- Also works at the root of a linearized chapter checkout. -->
+        <simple.graph.directory>${project.basedir}/graph</simple.graph.directory>
     </properties>
 
     <dependencies>
@@ -63,6 +65,21 @@
 
     <build>
         <plugins>
+            <plugin>
+                <groupId>org.codehaus.mojo</groupId>
+                <artifactId>build-helper-maven-plugin</artifactId>
+                <version>3.4.0</version>
+                <executions>
+                    <execution>
+                        <id>shared-graph-sources</id>
+                        <phase>generate-sources</phase>
+                        <goals><goal>add-source</goal></goals>
+                        <configuration>
+                            <sources><source>${simple.graph.directory}/src/main/java</source></sources>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-surefire-plugin</artifactId>
-- 
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