Avoid cyclic dependency between classes.

Move defaults out of property evaluation and into context.

Author: ZachBray

sbe-tool/src/main/java/uk/co/real_logic/sbe/generation/TargetCodeGeneratorLoader.java

@@ -15,15 +15,15 @@
  */
 package uk.co.real_logic.sbe.generation;
 
-import uk.co.real_logic.sbe.generation.common.PrecedenceChecks;
-import uk.co.real_logic.sbe.generation.java.JavaOutputManager;
 import uk.co.real_logic.sbe.generation.c.CGenerator;
 import uk.co.real_logic.sbe.generation.c.COutputManager;
+import uk.co.real_logic.sbe.generation.common.PrecedenceChecks;
 import uk.co.real_logic.sbe.generation.cpp.CppGenerator;
 import uk.co.real_logic.sbe.generation.cpp.NamespaceOutputManager;
 import uk.co.real_logic.sbe.generation.golang.GolangGenerator;
 import uk.co.real_logic.sbe.generation.golang.GolangOutputManager;
 import uk.co.real_logic.sbe.generation.java.JavaGenerator;
+import uk.co.real_logic.sbe.generation.java.JavaOutputManager;
 import uk.co.real_logic.sbe.generation.rust.RustGenerator;
 import uk.co.real_logic.sbe.generation.rust.RustOutputManager;
 import uk.co.real_logic.sbe.ir.Ir;
@@ -122,25 +122,31 @@ public CodeGenerator newInstance(final Ir ir, final String outputDir)
     };
 
     /**
-     * Returns the configured precedence checks.
+     * Returns the precedence checks to run, configured from system properties.
      *
-     * @return the configured precedence checks.
+     * @return the precedence checks to run, configured from system properties.
      */
     public static PrecedenceChecks precedenceChecks()
     {
-        final boolean shouldGeneratePrecedenceChecks =
-            Boolean.parseBoolean(System.getProperty(GENERATE_PRECEDENCE_CHECKS, "false"));
+        final PrecedenceChecks.Context context = new PrecedenceChecks.Context();
 
-        final String precedenceChecksFlagName =
-            System.getProperty(PRECEDENCE_CHECKS_FLAG_NAME, "SBE_ENABLE_PRECEDENCE_CHECKS");
+        final String shouldGeneratePrecedenceChecks = System.getProperty(GENERATE_PRECEDENCE_CHECKS);
+        if (shouldGeneratePrecedenceChecks != null)
+        {
+            context.shouldGeneratePrecedenceChecks(Boolean.parseBoolean(shouldGeneratePrecedenceChecks));
+        }
 
-        final String precedenceChecksPropName =
-            System.getProperty(JAVA_PRECEDENCE_CHECKS_PROPERTY_NAME, "sbe.enable.precedence.checks");
+        final String precedenceChecksFlagName = System.getProperty(PRECEDENCE_CHECKS_FLAG_NAME);
+        if (precedenceChecksFlagName != null)
+        {
+            context.precedenceChecksFlagName(precedenceChecksFlagName);
+        }
 
-        final PrecedenceChecks.Context context = new PrecedenceChecks.Context()
-            .shouldGeneratePrecedenceChecks(shouldGeneratePrecedenceChecks)
-            .precedenceChecksFlagName(precedenceChecksFlagName)
-            .precedenceChecksPropName(precedenceChecksPropName);
+        final String precedenceChecksPropName = System.getProperty(JAVA_PRECEDENCE_CHECKS_PROPERTY_NAME);
+        if (precedenceChecksPropName != null)
+        {
+            context.precedenceChecksPropName(precedenceChecksPropName);
+        }
 
         return PrecedenceChecks.newInstance(context);
     }

sbe-tool/src/main/java/uk/co/real_logic/sbe/generation/common/PrecedenceChecks.java

@@ -166,8 +166,8 @@ private FieldPrecedenceModel createModel(
     public static final class Context
     {
         private boolean shouldGeneratePrecedenceChecks;
-        private String precedenceChecksFlagName;
-        private String precedenceChecksPropName;
+        private String precedenceChecksFlagName = "SBE_ENABLE_PRECEDENCE_CHECKS";
+        private String precedenceChecksPropName = "sbe.enable.precedence.checks";
 
         /**
          * Returns {@code true} if precedence checks should be generated; {@code false} otherwise.

sbe-tool/src/main/java/uk/co/real_logic/sbe/generation/cpp/CppGenerator.java

@@ -18,7 +18,6 @@
 import uk.co.real_logic.sbe.PrimitiveType;
 import uk.co.real_logic.sbe.generation.CodeGenerator;
 import uk.co.real_logic.sbe.generation.Generators;
-import uk.co.real_logic.sbe.generation.TargetCodeGeneratorLoader;
 import uk.co.real_logic.sbe.generation.common.FieldPrecedenceModel;
 import uk.co.real_logic.sbe.generation.common.PrecedenceChecks;
 import uk.co.real_logic.sbe.ir.Encoding;
@@ -72,7 +71,7 @@ public CppGenerator(final Ir ir, final boolean shouldDecodeUnknownEnumValues, fi
         this(
             ir,
             shouldDecodeUnknownEnumValues,
-            TargetCodeGeneratorLoader.precedenceChecks(),
+            PrecedenceChecks.newInstance(new PrecedenceChecks.Context()),
             outputManager
         );
     }

sbe-tool/src/main/java/uk/co/real_logic/sbe/generation/csharp/CSharpGenerator.java

@@ -20,7 +20,6 @@
 import uk.co.real_logic.sbe.PrimitiveValue;
 import uk.co.real_logic.sbe.generation.CodeGenerator;
 import uk.co.real_logic.sbe.generation.Generators;
-import uk.co.real_logic.sbe.generation.TargetCodeGeneratorLoader;
 import uk.co.real_logic.sbe.generation.common.FieldPrecedenceModel;
 import uk.co.real_logic.sbe.generation.common.PrecedenceChecks;
 import uk.co.real_logic.sbe.ir.Encoding;
@@ -72,7 +71,7 @@ public CSharpGenerator(final Ir ir, final OutputManager outputManager)
     {
         this(
             ir,
-            TargetCodeGeneratorLoader.precedenceChecks(),
+            PrecedenceChecks.newInstance(new PrecedenceChecks.Context()),
             outputManager
         );
     }

sbe-tool/src/main/java/uk/co/real_logic/sbe/generation/java/JavaGenerator.java

@@ -18,7 +18,6 @@
 import uk.co.real_logic.sbe.PrimitiveType;
 import uk.co.real_logic.sbe.generation.CodeGenerator;
 import uk.co.real_logic.sbe.generation.Generators;
-import uk.co.real_logic.sbe.generation.TargetCodeGeneratorLoader;
 import uk.co.real_logic.sbe.generation.common.FieldPrecedenceModel;
 import uk.co.real_logic.sbe.generation.common.PrecedenceChecks;
 import uk.co.real_logic.sbe.ir.*;
@@ -131,7 +130,7 @@ public JavaGenerator(
             shouldGenerateInterfaces,
             shouldDecodeUnknownEnumValues,
             shouldSupportTypesPackageNames,
-            TargetCodeGeneratorLoader.precedenceChecks(),
+            PrecedenceChecks.newInstance(new PrecedenceChecks.Context()),
             outputManager
         );
     }

sbe-tool/src/test/java/uk/co/real_logic/sbe/generation/java/JavaGeneratorTest.java

@@ -260,10 +260,7 @@ void shouldGenerateBasicMessage() throws Exception
     @Test
     void shouldGenerateWithoutPrecedenceChecksByDefault() throws Exception
     {
-        final PrecedenceChecks.Context context = new PrecedenceChecks.Context()
-            .shouldGeneratePrecedenceChecks(false)
-            .precedenceChecksPropName("sbe.enable.precedence.checks")
-            .precedenceChecksFlagName("SBE_ENABLE_PRECEDENCE_CHECKS");
+        final PrecedenceChecks.Context context = new PrecedenceChecks.Context();
         final PrecedenceChecks precedenceChecks = PrecedenceChecks.newInstance(context);
         generator(precedenceChecks).generate();
 
@@ -279,9 +276,7 @@ void shouldGenerateWithoutPrecedenceChecksByDefault() throws Exception
     void shouldGeneratePrecedenceChecksWhenEnabled() throws Exception
     {
         final PrecedenceChecks.Context context = new PrecedenceChecks.Context()
-            .shouldGeneratePrecedenceChecks(true)
-            .precedenceChecksPropName("sbe.enable.precedence.checks")
-            .precedenceChecksFlagName("SBE_ENABLE_PRECEDENCE_CHECKS");
+            .shouldGeneratePrecedenceChecks(true);
         final PrecedenceChecks precedenceChecks = PrecedenceChecks.newInstance(context);
         generator(precedenceChecks).generate();