Refactor InferenceAction

[yangtools.git] / yang / yang-parser-impl / src / main / java / org / opendaylight / yangtools / yang / parser / stmt / rfc6020 / BelongsToStatementImpl.java

diff --git a/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/BelongsToStatementImpl.java b/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/BelongsToStatementImpl.java
index ec6458d1cacc2767fd6e7a20b0d5b842e08717d7..97faf388ccda5ac0399d50d00e0f46e2bdec3f29 100644 (file)
--- a/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/BelongsToStatementImpl.java
+++ b/yang/yang-parser-impl/src/main/java/org/opendaylight/yangtools/yang/parser/stmt/rfc6020/BelongsToStatementImpl.java
@@ -1,39 +1,43 @@
 /*
  * Copyright (c) 2015 Cisco Systems, Inc. and others.  All rights reserved.
- * <p/>
+ *
  * This program and the accompanying materials are made available under the
  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
  * and is available at http://www.eclipse.org/legal/epl-v10.html
  */
 package org.opendaylight.yangtools.yang.parser.stmt.rfc6020;
 
-import com.google.common.base.Optional;
-import java.net.URI;
 import java.util.Collection;
+import java.util.Optional;
+import javax.annotation.Nonnull;
 import org.opendaylight.yangtools.yang.common.SimpleDateFormatUtil;
 import org.opendaylight.yangtools.yang.model.api.ModuleIdentifier;
-import org.opendaylight.yangtools.yang.model.api.Rfc6020Mapping;
+import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
 import org.opendaylight.yangtools.yang.model.api.stmt.BelongsToStatement;
 import org.opendaylight.yangtools.yang.model.api.stmt.PrefixStatement;
-import org.opendaylight.yangtools.yang.parser.builder.impl.ModuleIdentifierImpl;
+import org.opendaylight.yangtools.yang.model.util.ModuleIdentifierImpl;
+import org.opendaylight.yangtools.yang.parser.spi.SubstatementValidator;
 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractDeclaredStatement;
 import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractStatementSupport;
 import org.opendaylight.yangtools.yang.parser.spi.meta.InferenceException;
 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder;
 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder.InferenceAction;
+import org.opendaylight.yangtools.yang.parser.spi.meta.ModelActionBuilder.InferenceContext;
 import org.opendaylight.yangtools.yang.parser.spi.meta.ModelProcessingPhase;
 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
+import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContextUtils;
 import org.opendaylight.yangtools.yang.parser.spi.source.BelongsToModuleContext;
+import org.opendaylight.yangtools.yang.parser.spi.source.BelongsToPrefixToModuleIdentifier;
 import org.opendaylight.yangtools.yang.parser.spi.source.ModuleNamespaceForBelongsTo;
-import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
 import org.opendaylight.yangtools.yang.parser.stmt.rfc6020.effective.BelongsEffectiveToStatementImpl;
 
 public class BelongsToStatementImpl extends AbstractDeclaredStatement<String>
         implements BelongsToStatement {
+    private static final SubstatementValidator SUBSTATEMENT_VALIDATOR =
+            SubstatementValidator.builder(YangStmtMapping.BELONGS_TO).addMandatory(YangStmtMapping.PREFIX).build();
 
-    protected BelongsToStatementImpl(
-            StmtContext<String, BelongsToStatement, ?> context) {
+    protected BelongsToStatementImpl(final StmtContext<String, BelongsToStatement, ?> context) {
         super(context);
     }
 
@@ -42,64 +46,77 @@ public class BelongsToStatementImpl extends AbstractDeclaredStatement<String>
             AbstractStatementSupport<String, BelongsToStatement, EffectiveStatement<String, BelongsToStatement>> {
 
         public Definition() {
-            super(Rfc6020Mapping.BELONGS_TO);
+            super(YangStmtMapping.BELONGS_TO);
         }
 
         @Override
-        public String parseArgumentValue(StmtContext<?, ?, ?> ctx, String value) {
+        public String parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
             return value;
         }
 
         @Override
         public BelongsToStatement createDeclared(
-                StmtContext<String, BelongsToStatement, ?> ctx) {
+                final StmtContext<String, BelongsToStatement, ?> ctx) {
             return new BelongsToStatementImpl(ctx);
         }
 
         @Override
         public EffectiveStatement<String, BelongsToStatement> createEffective(
-                StmtContext<String, BelongsToStatement, EffectiveStatement<String, BelongsToStatement>> ctx) {
+                final StmtContext<String, BelongsToStatement, EffectiveStatement<String, BelongsToStatement>> ctx) {
             return new BelongsEffectiveToStatementImpl(ctx);
         }
 
         @Override
-        public void onLinkageDeclared(final StmtContext.Mutable<String, BelongsToStatement, EffectiveStatement<String, BelongsToStatement>> belongsToCtx) throws SourceException {
+        public void onLinkageDeclared(
+                final StmtContext.Mutable<String, BelongsToStatement, EffectiveStatement<String, BelongsToStatement>> belongsToCtx) {
             ModelActionBuilder belongsToAction = belongsToCtx.newInferenceAction(ModelProcessingPhase.SOURCE_LINKAGE);
 
             final ModuleIdentifier belongsToModuleIdentifier = getModuleIdentifier(belongsToCtx);
-            final ModelActionBuilder.Prerequisite<StmtContext<?, ?, ?>> belongsToPrereq = belongsToAction.requiresCtx(belongsToCtx, ModuleNamespaceForBelongsTo.class, belongsToModuleIdentifier.getName(), ModelProcessingPhase.SOURCE_LINKAGE);
+            final ModelActionBuilder.Prerequisite<StmtContext<?, ?, ?>> belongsToPrereq = belongsToAction.requiresCtx(
+                belongsToCtx, ModuleNamespaceForBelongsTo.class, belongsToModuleIdentifier.getName(),
+                ModelProcessingPhase.SOURCE_LINKAGE);
 
             belongsToAction.apply(new InferenceAction() {
-
                 @Override
-                public void apply() throws InferenceException {
-                    StmtContext<?, ?, ?> belongsToModuleCtx = belongsToPrereq.get();
+                public void apply(final InferenceContext ctx) {
+                    StmtContext<?, ?, ?> belongsToModuleCtx = belongsToPrereq.resolve(ctx);
 
-                    belongsToCtx.addToNs(BelongsToModuleContext.class, belongsToModuleIdentifier,
-                            belongsToModuleCtx);
+                    belongsToCtx.addToNs(BelongsToModuleContext.class, belongsToModuleIdentifier, belongsToModuleCtx);
+                    belongsToCtx.addToNs(BelongsToPrefixToModuleIdentifier.class,
+                        StmtContextUtils.findFirstDeclaredSubstatement(belongsToCtx, PrefixStatement.class)
+                        .getStatementArgument(), belongsToModuleIdentifier);
                 }
 
                 @Override
-                public void prerequisiteFailed(Collection<? extends ModelActionBuilder.Prerequisite<?>> failed) throws InferenceException {
+                public void prerequisiteFailed(final Collection<? extends ModelActionBuilder.Prerequisite<?>> failed) {
                     if (failed.contains(belongsToPrereq)) {
-                        throw new InferenceException("Module from belongs-to was not found: " + belongsToCtx.getStatementArgument(), belongsToCtx
-                                .getStatementSourceReference());
+                        throw new InferenceException(belongsToCtx.getStatementSourceReference(),
+                            "Module '%s' from belongs-to was not found", belongsToCtx.getStatementArgument());
                     }
                 }
             });
         }
 
-        private ModuleIdentifier getModuleIdentifier(StmtContext.Mutable<String, BelongsToStatement, EffectiveStatement<String, BelongsToStatement>> belongsToCtx) {
+        private static ModuleIdentifier getModuleIdentifier(
+                final StmtContext.Mutable<String, BelongsToStatement, EffectiveStatement<String, BelongsToStatement>> belongsToCtx) {
             String moduleName = belongsToCtx.getStatementArgument();
-            return new ModuleIdentifierImpl(moduleName, Optional.<URI> absent(), Optional.of(SimpleDateFormatUtil.DEFAULT_BELONGS_TO_DATE));
+            return ModuleIdentifierImpl.create(moduleName, Optional.empty(),
+                Optional.of(SimpleDateFormatUtil.DEFAULT_BELONGS_TO_DATE));
+        }
+
+        @Override
+        protected SubstatementValidator getSubstatementValidator() {
+            return SUBSTATEMENT_VALIDATOR;
         }
     }
 
+    @Nonnull
     @Override
     public String getModule() {
         return argument();
     }
 
+    @Nonnull
     @Override
     public PrefixStatement getPrefix() {
         return firstDeclared(PrefixStatement.class);