swagger-codegen#4883: Expose skipInlineModelMatches flag in Maven plugin

Author: hlyakhovich

modules/swagger-codegen-maven-plugin/README.md

@@ -60,6 +60,7 @@ mvn clean compile
 - `generateSupportingFiles` - generate the supporting files (`true` by default)
 - `supportingFilesToGenerate` - A comma separated list of supporting files to generate.  All files is the default.
 - `skip` - skip code generation (`false` by default. Can also be set globally through the `codegen.skip` property)
+- `skipInlineModelMatches` - when processing inline models, generate unique classes for models with the same content (`false` by default, causes reusing)
 
 ### Custom Generator
 

modules/swagger-codegen-maven-plugin/src/main/java/io/swagger/codegen/v3/maven/plugin/CodeGenMojo.java

@@ -288,6 +288,12 @@ public class CodeGenMojo extends AbstractMojo {
     @Parameter(name = "skip", property = "codegen.skip", required = false, defaultValue = "false")
     private Boolean skip;
 
+    /**
+     * Skip matches
+     */
+    @Parameter(name = "skipInlineModelMatches", required = false)
+    private Boolean skipInlineModelMatches = false;
+
     /**
      * Add the output directory to the project as a source root, so that the generated java types
      * are compiled and included in the project artifact.
@@ -361,6 +367,8 @@ public void execute() throws MojoExecutionException {
 
         configurator.setOutputDir(output.getAbsolutePath());
 
+        configurator.setSkipInlineModelMatches(skipInlineModelMatches);
+
         if (isNotEmpty(auth)) {
             configurator.setAuth(auth);
         }

modules/swagger-codegen/src/main/java/io/swagger/codegen/v3/config/CodegenConfigurator.java

@@ -57,6 +57,7 @@ public class CodegenConfigurator implements Serializable {
     private boolean verbose;
     private boolean skipOverwrite;
     private boolean removeOperationIdPrefix;
+    private boolean skipInlineModelMatches;
     private String templateDir;
     private String templateVersion;
     private String auth;
@@ -150,6 +151,15 @@ public CodegenConfigurator setRemoveOperationIdPrefix(boolean removeOperationIdP
         return this;
     }
 
+    public boolean getSkipInlineModelMatches() {
+        return skipInlineModelMatches;
+    }
+
+    public CodegenConfigurator setSkipInlineModelMatches(boolean skipInlineModelMatches) {
+        this.skipInlineModelMatches = skipInlineModelMatches;
+        return this;
+    }
+
     public String getModelNameSuffix() {
         return modelNameSuffix;
     }
@@ -462,9 +472,7 @@ public ClientOptInput toClientOptInput() {
 
         if (!StringUtils.isBlank(inputSpec)) {
             config.setInputSpec(inputSpec);
-            ParseOptions options = new ParseOptions();
-            options.setResolve(true);
-            options.setFlatten(true);
+            ParseOptions options = buildParseOptions();
             SwaggerParseResult result = new OpenAPIParser().readContents(inputSpec, authorizationValues, options);
             OpenAPI openAPI = result.getOpenAPI();
 
@@ -489,9 +497,7 @@ public ClientOptInput toClientOptInput() {
             }
             config.setInputSpec(specContent);
             config.setInputURL(inputSpecURL);
-            ParseOptions options = new ParseOptions();
-            options.setResolve(true);
-            options.setFlatten(true);
+            ParseOptions options = buildParseOptions();
             SwaggerParseResult result = new OpenAPIParser().readLocation(inputSpecURL, authorizationValues, options);
             OpenAPI openAPI = result.getOpenAPI();
             LOGGER.debug("getClientOptInput - parsed inputSpecURL " + inputSpecURL);
@@ -539,6 +545,14 @@ public ClientOptInput toClientOptInput() {
         return input;
     }
 
+    private ParseOptions buildParseOptions() {
+        ParseOptions options = new ParseOptions();
+        options.setResolve(true);
+        options.setFlatten(true);
+        options.setSkipMatches(this.skipInlineModelMatches);
+        return options;
+    }
+
     @JsonAnySetter
     public CodegenConfigurator addDynamicProperty(String name, Object value) {
         dynamicProperties.put(name, value);