import com.google.common.base.Joiner;
import com.google.common.base.Optional;
-import java.util.ArrayList;
+import com.google.common.collect.Collections2;
+import com.google.common.collect.Iterables;
+import com.google.common.collect.Lists;
+import java.util.Collections;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import org.opendaylight.controller.config.yangjmxgenerator.plugin.ftl.AbstractModuleTemplate;
import org.opendaylight.controller.config.yangjmxgenerator.plugin.ftl.TemplateFactory;
import org.opendaylight.controller.config.yangjmxgenerator.plugin.ftl.model.Annotation;
+import org.opendaylight.controller.config.yangjmxgenerator.plugin.ftl.model.Field;
import org.opendaylight.controller.config.yangjmxgenerator.plugin.ftl.model.IdentityRefModuleField;
import org.opendaylight.controller.config.yangjmxgenerator.plugin.ftl.model.Method;
+import org.opendaylight.controller.config.yangjmxgenerator.plugin.ftl.model.MethodDefinition;
import org.opendaylight.controller.config.yangjmxgenerator.plugin.ftl.model.ModuleField;
import org.opendaylight.controller.config.yangjmxgenerator.plugin.java.FullyQualifiedName;
import org.opendaylight.controller.config.yangjmxgenerator.plugin.java.GeneratedObject;
AbstractModuleTemplate abstractModuleTemplate = TemplateFactory.abstractModuleTemplateFromMbe(mbe);
Optional<String> header = abstractModuleTemplate.getHeaderString();
- List<FullyQualifiedName> implementedInterfaces = new ArrayList<>();
- for(String implemented: abstractModuleTemplate.getTypeDeclaration().getImplemented()) {
- implementedInterfaces.add(FullyQualifiedName.fromString(implemented));
- }
+ List<FullyQualifiedName> implementedInterfaces =
+ Lists.transform(abstractModuleTemplate.getTypeDeclaration().getImplemented(),
+ FullyQualifiedName::fromString);
+
+ Optional<FullyQualifiedName> extended =
+ Optional.fromNullable(
+ Iterables.getFirst(
+ Collections2.transform(abstractModuleTemplate.getTypeDeclaration().getExtended(),
+ FullyQualifiedName::fromString), null));
+
Optional<FullyQualifiedName> maybeRegistratorType;
if (abstractModuleTemplate.isRuntime()) {
maybeRegistratorType = Optional.of(FullyQualifiedName.fromString(abstractModuleTemplate.getRegistratorType()));
maybeRegistratorType = Optional.absent();
}
- return toGeneratedObject(abstractFQN, copyright, header, classJavaDoc, implementedInterfaces,
+ return toGeneratedObject(abstractFQN, copyright, header, classJavaDoc, extended, implementedInterfaces,
abstractModuleTemplate.getModuleFields(), maybeRegistratorType, abstractModuleTemplate.getMethods(),
mbe.getYangModuleQName());
}
Optional<String> copyright,
Optional<String> header,
Optional<String> classJavaDoc,
+ Optional<FullyQualifiedName> extended,
List<FullyQualifiedName> implementedInterfaces,
List<ModuleField> moduleFields,
Optional<FullyQualifiedName> maybeRegistratorType,
for(FullyQualifiedName implemented: implementedInterfaces) {
b.addImplementsFQN(implemented);
}
+ if(extended.isPresent()) {
+ b.addExtendsFQN(extended.get());
+ }
if (classJavaDoc.isPresent()) {
b.addClassAnnotation(format("@%s(value=\"%s\")", Description.class.getCanonicalName(), classJavaDoc.get()));
}
// add logger:
- b.addToBody(getLogger(abstractFQN));
+ b.addToBody(getLoggerDefinition(abstractFQN));
b.addToBody("//attributes start");
for(ModuleField moduleField: moduleFields) {
b.addToBody("//attributes end");
- b.addToBody(getCommonFields(abstractFQN));
-
-
b.addToBody(getNewConstructor(abstractFQN));
b.addToBody(getCopyFromOldConstructor(abstractFQN));
b.addToBody(getCachesOfResolvedDependencies(moduleFields));
b.addToBody(getCachesOfResolvedIdentityRefs(moduleFields));
- b.addToBody(getGetInstance(moduleFields));
+ b.addToBody(getResolveDependencies(moduleFields));
b.addToBody(getReuseLogic(moduleFields, abstractFQN));
b.addToBody(getEqualsAndHashCode(abstractFQN));
b.addToBody(getMethods(methods));
+ b.addToBody(getGetLogger());
return new GeneratedObjectBuilder(b.build()).toGeneratedObject();
}
private static String getMethods(List<? extends Method> methods) {
- String result = "\n// getters and setters\n";
- for(Method method: methods) {
- result += method.toString()+"\n";
+ StringBuilder result = new StringBuilder("\n// getters and setters\n");
+ for (Method method : methods) {
+ result.append(method).append("\n");
}
- return result;
+ return result.toString();
}
private static String getEqualsAndHashCode(FullyQualifiedName abstractFQN) {
return "\n"+
"@Override\n"+
"public boolean equals(Object o) {\n"+
- "if (this == o) return true;\n"+
- "if (o == null || getClass() != o.getClass()) return false;\n"+
+ "if (this == o) { return true; }\n"+
+ "if (o == null || getClass() != o.getClass()) { return false; }\n"+
format("%s that = (%1$s) o;\n", abstractFQN.getTypeName())+
"return identifier.equals(that.identifier);\n"+
"}\n"+
}
private static String getReuseLogic(List<ModuleField> moduleFields, FullyQualifiedName abstractFQN) {
- String result = "\n"+
- format("public boolean canReuseInstance(%s oldModule){\n", abstractFQN.getTypeName())+
- "// allow reusing of old instance if no parameters was changed\n"+
- "return isSame(oldModule);\n"+
- "}\n"+
- "\n"+
- format("public %s reuseInstance(%1$s oldInstance){\n", AutoCloseable.class.getCanonicalName())+
- "// implement if instance reuse should be supported. Override canReuseInstance to change the criteria.\n"+
- "return oldInstance;\n"+
- "}\n";
+ StringBuilder result = new StringBuilder("\n" +
+ format("public boolean canReuseInstance(%s oldModule){\n", abstractFQN.getTypeName()) +
+ "// allow reusing of old instance if no parameters was changed\n" +
+ "return isSame(oldModule);\n" +
+ "}\n" +
+ "\n" +
+ format("public %s reuseInstance(%1$s oldInstance){\n", AutoCloseable.class.getCanonicalName()) +
+ "// implement if instance reuse should be supported." +
+ "Override canReuseInstance to change the criteria.\n" +
+ "return oldInstance;\n" +
+ "}\n");
// isSame method that detects changed fields
- result += "\n"+
- format("public boolean isSame(%s other) {\n", abstractFQN.getTypeName())+
- "if (other == null) {\n"+
- "throw new IllegalArgumentException(\"Parameter 'other' is null\");\n"+
- "}\n";
- // loop through fields, do deep equals on each field
+ result.append("\n")
+ .append(format("public boolean isSame(%s other) {\n", abstractFQN.getTypeName()))
+ .append("if (other == null) {\n")
+ .append("throw new IllegalArgumentException(\"Parameter 'other' is null\");\n")
+ .append("}\n");
+ // loop through fields, do deep equals on each field
for (ModuleField moduleField : moduleFields) {
+ result.append(format(
+ "if (!java.util.Objects.deepEquals(%s, other.%1$s)) {\n" +
+ "return false;\n" +
+ "}\n", moduleField.getName()));
+
if (moduleField.isListOfDependencies()) {
- result += format(
- "if (%1$sDependency.equals(other.%1$sDependency) == false) {\n"+
- "return false;\n"+
- "}\n"+
- "for (int idx = 0; idx < %1$sDependency.size(); idx++) {\n"+
- "if (%1$sDependency.get(idx) != other.%1$sDependency.get(idx)) {\n"+
- "return false;\n"+
- "}\n"+
- "}\n" ,moduleField.getName());
+ result.append(format(
+ "for (int idx = 0; idx < %1$s.size(); idx++) {\n" +
+ "if (!dependencyResolver.canReuseDependency(%1$s.get(idx), %1$sJmxAttribute)) {\n" +
+ "return false;\n" +
+ "}\n" +
+ "}\n", moduleField.getName()));
} else if (moduleField.isDependent()) {
- result += format(
- "if (%sDependency != other.%1$sDependency) { // reference to dependency must be same\n"+
- "return false;\n"+
- "}\n",moduleField.getName());
- } else {
- result += format(
- "if (java.util.Objects.deepEquals(%s, other.%1$s) == false) {\n"+
- "return false;\n"+
- "}\n", moduleField.getName());
+ result.append(format(
+ // If a reference is null (ie optional reference) it makes no sens to call canReuse on it
+ // In such case we continue in the isSame method because if we have null here, the previous
+ // value was null as well
+ // If the previous value was not null and current is or vice verse, the deepEquals comparison
+ // would return false
+ "if(%1$s!= null) {\n" +
+ "// reference to dependency must be reusable as well\n" +
+ "if (!dependencyResolver.canReuseDependency(%1$s, %1$sJmxAttribute)) {\n" +
+ "return false;\n" +
+ "}\n" +
+ "}\n", moduleField.getName()));
}
}
- result += "\n"+
- "return true;\n"+
- "}\n";
- return result;
- }
+ result.append("\n" +
+ "return true;\n" +
+ "}\n");
- private static String getGetInstance(List<ModuleField> moduleFields) {
- String result = "\n"+
- "@Override\n"+
- format("public final %s getInstance() {\n", AutoCloseable.class.getCanonicalName())+
- "if(instance==null) {\n";
- // create instance start
+ return result.toString();
+ }
+ private static String getResolveDependencies(final List<ModuleField> moduleFields) {
// loop through dependent fields, use dependency resolver to instantiate dependencies. Do it in loop in case field represents list of dependencies.
Map<ModuleField, String> resolveDependenciesMap = new HashMap<>();
for(ModuleField moduleField: moduleFields) {
String osgi = moduleField.getDependency().getSie().getExportedOsgiClassName();
if (moduleField.isList()) {
str = format(
- "%sDependency = new java.util.ArrayList<%s>();\n"+
- "for(javax.management.ObjectName dep : %1$s) {\n"+
- "%1$sDependency.add(dependencyResolver.resolveInstance(%2$s.class, dep, %1$sJmxAttribute));\n"+
- "}\n", moduleField.getName(), osgi);
+ "%sDependency = new java.util.ArrayList<%s>();\n"+
+ "for(javax.management.ObjectName dep : %1$s) {\n"+
+ "%1$sDependency.add(dependencyResolver.resolveInstance(%2$s.class, dep, %1$sJmxAttribute));\n"+
+ "}\n", moduleField.getName(), osgi);
} else {
str = format(
- "%1$sDependency = dependencyResolver.resolveInstance(%2$s.class, %1$s, %1$sJmxAttribute);\n",
- moduleField.getName(), osgi);
+ "%1$sDependency = dependencyResolver.resolveInstance(%2$s.class, %1$s, %1$sJmxAttribute);\n",
+ moduleField.getName(), osgi);
}
resolveDependenciesMap.put(moduleField, str);
}
}
+ StringBuilder result = new StringBuilder("\n" +
+ "protected final void resolveDependencies() {\n");
// wrap each field resolvation statement with if !=null when dependency is not mandatory
for (Map.Entry<ModuleField, String> entry : resolveDependenciesMap.entrySet()) {
- if (entry.getKey().getDependency().isMandatory() == false) {
+ if (!entry.getKey().getDependency().isMandatory()) {
checkState(entry.getValue().endsWith(";\n"));
- result += format("if (%s!=null) {\n%s}\n", entry.getKey().getName(), entry.getValue());
+ result.append(format("if (%s!=null) {\n%s}\n", entry.getKey().getName(), entry.getValue()));
} else {
- result += entry.getValue();
+ result.append(entry.getValue());
}
}
// add code to inject dependency resolver to fields that support it
for(ModuleField moduleField: moduleFields) {
if (moduleField.isNeedsDepResolver()) {
- result += format("if (%s!=null){\n", moduleField.getName());
+ result.append(format("if (%s!=null){\n", moduleField.getName()));
if (moduleField.isList()) {
- result += format(
- "for(%s candidate : %s) {\n"+
- "candidate.injectDependencyResolver(dependencyResolver);\n"+
- "}\n", moduleField.getGenericInnerType(), moduleField.getName());
+ result.append(format(
+ "for(%s candidate : %s) {\n" +
+ "candidate.injectDependencyResolver(dependencyResolver);\n" +
+ "}\n", moduleField.getGenericInnerType(), moduleField.getName()));
} else {
- result += format("%s.injectDependencyResolver(dependencyResolver);\n", moduleField.getName());
+ result.append(format("%s.injectDependencyResolver(dependencyResolver);\n", moduleField.getName()));
}
- result += "}\n";
+ result.append("}\n");
}
}
// identity refs need to be injected with dependencyResolver and base class
for (ModuleField moduleField : moduleFields) {
if (moduleField.isIdentityRef()) {
- result += format("if (%s!=null) {", moduleField.getName());
- result += format("set%s(%s.resolveIdentity(dependencyResolver, %s.class));",
+ result.append(format("if (%s!=null) {", moduleField.getName()));
+ result.append(format("set%s(%s.resolveIdentity(dependencyResolver, %s.class));",
moduleField.getAttributeName(), moduleField.getName(),
- ((IdentityRefModuleField)moduleField).getIdentityBaseClass());
- result += "}\n";
+ ((IdentityRefModuleField) moduleField).getIdentityBaseClass()));
+ result.append("}\n");
}
}
-
- // create instance end: reuse and recreate logic
- result += "if(oldInstance!=null && canReuseInstance(oldModule)) {\n"+
- "instance = reuseInstance(oldInstance);\n"+
- "} else {\n"+
- "if(oldInstance!=null) {\n"+
- "try {\n"+
- "oldInstance.close();\n"+
- "} catch(Exception e) {\n"+
- "logger.error(\"An error occurred while closing old instance \" + oldInstance, e);\n"+
- "}\n"+
- "}\n"+
- "instance = createInstance();\n"+
- "if (instance == null) {\n"+
- "throw new IllegalStateException(\"Error in createInstance - null is not allowed as return value\");\n"+
- "}\n"+
- "}\n"+
- "}\n"+
- "return instance;\n"+
- "}\n"+
- format("public abstract %s createInstance();\n", AutoCloseable.class.getCanonicalName());
-
- return result;
- }
-
- private static String getCommonFields(FullyQualifiedName abstractFQN) {
- return "\n"+
- format("private final %s oldModule;\n", abstractFQN.getTypeName())+
- format("private final %s oldInstance;\n", AutoCloseable.class.getCanonicalName())+
- format("private %s instance;\n", AutoCloseable.class.getCanonicalName())+
- format("protected final %s dependencyResolver;\n", DependencyResolver.class.getCanonicalName())+
- format("private final %s identifier;\n", ModuleIdentifier.class.getCanonicalName())+
- "@Override\n"+
- format("public %s getIdentifier() {\n", ModuleIdentifier.class.getCanonicalName())+
- "return identifier;\n"+
- "}\n";
+ result.append("}\n");
+ return result.toString();
}
private static String getCachesOfResolvedIdentityRefs(List<ModuleField> moduleFields) {
}
private static String getValidationMethods(List<ModuleField> moduleFields) {
- String result = "\n"+
- "@Override\n"+
- "public void validate() {\n";
+ StringBuilder result = new StringBuilder("\n" +
+ "@Override\n" +
+ "public void validate() {\n");
// validate each mandatory dependency
- for(ModuleField moduleField: moduleFields) {
- if (moduleField.isDependent() && moduleField.getDependency().isMandatory()) {
+ for (ModuleField moduleField : moduleFields) {
+ if (moduleField.isDependent()) {
if (moduleField.isList()) {
- result += "" +
- format("for(javax.management.ObjectName dep : %s) {\n", moduleField.getName()) +
- format(" dependencyResolver.validateDependency(%s.class, dep, %sJmxAttribute);\n",
- moduleField.getDependency().getSie().getFullyQualifiedName(), moduleField.getName()) +
- "}\n";
+ result.append(format("for(javax.management.ObjectName dep : %s) {\n", moduleField.getName()))
+ .append(format(" dependencyResolver.validateDependency(%s.class, dep, %sJmxAttribute);" +
+ "\n",
+ moduleField.getDependency().getSie().getFullyQualifiedName(),
+ moduleField.getName()))
+ .append("}\n");
} else {
- result += format("dependencyResolver.validateDependency(%s.class, %s, %sJmxAttribute);",
- moduleField.getDependency().getSie().getFullyQualifiedName(), moduleField.getName(), moduleField.getName());
+ if (!moduleField.getDependency().isMandatory()) {
+ result.append(format("if(%s != null) {\n", moduleField.getName()));
+ }
+ result.append(format("dependencyResolver.validateDependency(%s.class, %s, %sJmxAttribute);\n",
+ moduleField.getDependency().getSie().getFullyQualifiedName(), moduleField.getName(),
+ moduleField.getName()));
+ if (!moduleField.getDependency().isMandatory()) {
+ result.append("}\n");
+ }
}
}
}
- result += "\n"+
- "customValidation();\n"+
- "}\n"+
- "\n"+
- "protected void customValidation() {\n"+
- "}\n";
- return result;
+ result.append("\n" +
+ "customValidation();\n" +
+ "}\n" +
+ "\n" +
+ "protected void customValidation() {\n" +
+ "}\n");
+ return result.toString();
}
- private static String getLogger(FullyQualifiedName fqn) {
- return format("private static final %s logger = %s.getLogger(%s.class);",
+ private static String getLoggerDefinition(FullyQualifiedName fqn) {
+ return format("private static final %s LOG = %s.getLogger(%s.class);",
Logger.class.getCanonicalName(), LoggerFactory.class.getCanonicalName(), fqn);
}
private static String getConstructorStart(FullyQualifiedName fqn,
LinkedHashMap<String, String> parameters, String after) {
String paramString = Joiner.on(",").withKeyValueSeparator(" ").join(parameters);
- String setters = "";
- for (String paramName : parameters.values()) {
- setters += format("this.%s = %1$s;\n", paramName);
- }
return format("public %s(", fqn.getTypeName()) +
paramString +
") {\n" +
- setters +
after +
"}\n";
}
LinkedHashMap<String, String> parameters = new LinkedHashMap<>();
parameters.put(ModuleIdentifier.class.getCanonicalName(), "identifier");
parameters.put(DependencyResolver.class.getCanonicalName(), "dependencyResolver");
-
- String setToNulls = "this.oldInstance=null;\n" +
- "this.oldModule=null;\n";
- return getConstructorStart(abstractFQN, parameters, setToNulls);
+ String init = "super(identifier, dependencyResolver);\n";
+ return getConstructorStart(abstractFQN, parameters, init);
}
private static String getCopyFromOldConstructor(FullyQualifiedName abstractFQN) {
parameters.put(DependencyResolver.class.getCanonicalName(), "dependencyResolver");
parameters.put(abstractFQN.getTypeName(), "oldModule");
parameters.put(AutoCloseable.class.getCanonicalName(), "oldInstance");
- return getConstructorStart(abstractFQN, parameters, "");
+ String init = "super(identifier, dependencyResolver, oldModule, oldInstance);\n";
+ return getConstructorStart(abstractFQN, parameters, init);
+ }
+
+ public String getGetLogger() {
+ return new MethodDefinition(Logger.class.getCanonicalName(), "getLogger", Collections.<Field>emptyList(), "return LOG;").toString();
}
}