Allow derived context to be reused
[yangtools.git] / yang / yang-parser-rfc7950 / src / main / java / org / opendaylight / yangtools / yang / parser / rfc7950 / stmt / action / ActionStatementSupport.java
index 7a25df9de139aa4fc80b321a0958426efeacd89c..7a661f2fd40479e0d03e3b2241526aed6f3d29c1 100644 (file)
@@ -7,10 +7,11 @@
  */
 package org.opendaylight.yangtools.yang.parser.rfc7950.stmt.action;
 
+import static com.google.common.base.Verify.verify;
+
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableSet;
 import org.opendaylight.yangtools.yang.common.QName;
-import org.opendaylight.yangtools.yang.model.api.Status;
 import org.opendaylight.yangtools.yang.model.api.YangStmtMapping;
 import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
 import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
@@ -19,12 +20,12 @@ import org.opendaylight.yangtools.yang.model.api.stmt.ActionEffectiveStatement;
 import org.opendaylight.yangtools.yang.model.api.stmt.ActionStatement;
 import org.opendaylight.yangtools.yang.model.api.stmt.InputStatement;
 import org.opendaylight.yangtools.yang.model.api.stmt.OutputStatement;
-import org.opendaylight.yangtools.yang.model.api.stmt.StatusEffectiveStatement;
-import org.opendaylight.yangtools.yang.parser.rfc7950.namespace.ChildSchemaNodeNamespace;
-import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.BaseQNameStatementSupport;
-import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.EffectiveStatementMixins.EffectiveStatementWithFlags.FlagsBuilder;
-import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.input.InputStatementRFC7950Support;
-import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.output.OutputStatementRFC7950Support;
+import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.BaseSchemaTreeStatementSupport;
+import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.EffectiveStatementMixins;
+import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.SubstatementIndexingException;
+import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.input.InputStatementSupport;
+import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.output.OutputStatementSupport;
+import org.opendaylight.yangtools.yang.parser.spi.meta.EffectiveStmtCtx.Current;
 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext;
 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContext.Mutable;
 import org.opendaylight.yangtools.yang.parser.spi.meta.StmtContextUtils;
@@ -33,7 +34,9 @@ import org.opendaylight.yangtools.yang.parser.spi.source.SourceException;
 import org.opendaylight.yangtools.yang.parser.spi.source.StatementSourceReference;
 import org.opendaylight.yangtools.yang.parser.stmt.reactor.StatementContextBase;
 
-public final class ActionStatementSupport extends BaseQNameStatementSupport<ActionStatement, ActionEffectiveStatement> {
+public final class ActionStatementSupport extends
+        BaseSchemaTreeStatementSupport<ActionStatement, ActionEffectiveStatement> {
+
     private static final ImmutableSet<StatementDefinition> ILLEGAL_PARENTS = ImmutableSet.of(
             YangStmtMapping.NOTIFICATION, YangStmtMapping.RPC, YangStmtMapping.ACTION);
 
@@ -51,34 +54,39 @@ public final class ActionStatementSupport extends BaseQNameStatementSupport<Acti
     private static final ActionStatementSupport INSTANCE = new ActionStatementSupport();
 
     private ActionStatementSupport() {
-        super(YangStmtMapping.ACTION);
+        super(YangStmtMapping.ACTION, uninstantiatedPolicy());
     }
 
     public static ActionStatementSupport getInstance() {
         return INSTANCE;
     }
 
-    @Override
-    public QName parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
-        return StmtContextUtils.parseIdentifier(ctx, value);
-    }
-
     @Override
     public void onStatementAdded(final Mutable<QName, ActionStatement, ActionEffectiveStatement> stmt) {
-        stmt.coerceParentContext().addToNs(ChildSchemaNodeNamespace.class, stmt.coerceStatementArgument(), stmt);
+        final QName argument = stmt.getArgument();
+        SourceException.throwIf(StmtContextUtils.hasAncestorOfType(stmt, ILLEGAL_PARENTS), stmt,
+            "Action %s is defined within a notification, rpc or another action", argument);
+        SourceException.throwIf(StmtContextUtils.hasParentOfType(stmt, YangStmtMapping.CASE), stmt,
+            "Action %s is defined within a case statement", argument);
+        SourceException.throwIf(StmtContextUtils.hasParentOfType(stmt, YangStmtMapping.MODULE), stmt,
+            "Action %s is defined at the top level of a module", stmt.getArgument());
+        StmtContextUtils.validateNoKeylessListAncestorOf(stmt, "Action");
+
+        super.onStatementAdded(stmt);
     }
 
     @Override
     public void onFullDefinitionDeclared(final Mutable<QName, ActionStatement, ActionEffectiveStatement> stmt) {
         super.onFullDefinitionDeclared(stmt);
 
+        verify(stmt instanceof StatementContextBase);
         if (StmtContextUtils.findFirstDeclaredSubstatement(stmt, InputStatement.class) == null) {
             ((StatementContextBase<?, ?, ?>) stmt).appendImplicitSubstatement(
-                InputStatementRFC7950Support.getInstance(), null);
+                InputStatementSupport.rfc7950Instance(), null);
         }
         if (StmtContextUtils.findFirstDeclaredSubstatement(stmt, OutputStatement.class) == null) {
             ((StatementContextBase<?, ?, ?>) stmt).appendImplicitSubstatement(
-                OutputStatementRFC7950Support.getInstance(), null);
+                OutputStatementSupport.rfc7950Instance(), null);
         }
     }
 
@@ -90,47 +98,32 @@ public final class ActionStatementSupport extends BaseQNameStatementSupport<Acti
     @Override
     protected ActionStatement createDeclared(final StmtContext<QName, ActionStatement, ?> ctx,
             final ImmutableList<? extends DeclaredStatement<?>> substatements) {
-        return new RegularActionStatement(ctx.coerceStatementArgument(), substatements);
+        return new RegularActionStatement(ctx.getArgument(), substatements);
     }
 
     @Override
     protected ActionStatement createEmptyDeclared(final StmtContext<QName, ActionStatement, ?> ctx) {
-        return new EmptyActionStatement(ctx.coerceStatementArgument());
+        return new EmptyActionStatement(ctx.getArgument());
     }
 
     @Override
-    protected ActionEffectiveStatement createEffective(
-            final StmtContext<QName, ActionStatement, ActionEffectiveStatement> ctx, final ActionStatement declared,
+    protected ActionEffectiveStatement createEffective(final Current<QName, ActionStatement> stmt,
             final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
-        final QName argument = ctx.coerceStatementArgument();
-        final StatementSourceReference ref = ctx.getStatementSourceReference();
-        SourceException.throwIf(StmtContextUtils.hasAncestorOfType(ctx, ILLEGAL_PARENTS), ref,
-            "Action %s is defined within a notification, rpc or another action", argument);
-        SourceException.throwIf(
-            !StmtContextUtils.hasAncestorOfTypeWithChildOfType(ctx, YangStmtMapping.LIST, YangStmtMapping.KEY), ref,
-            "Action %s is defined within a list that has no key statement", argument);
-        SourceException.throwIf(StmtContextUtils.hasParentOfType(ctx, YangStmtMapping.CASE), ref,
-            "Action %s is defined within a case statement", argument);
-        SourceException.throwIf(StmtContextUtils.hasParentOfType(ctx, YangStmtMapping.MODULE), ref,
-            "Action %s is defined at the top level of a module", argument);
-
-        return new ActionEffectiveStatementImpl(declared, ctx.getSchemaPath().get(), computeFlags(ctx, substatements),
-            ctx, substatements);
+        final StatementSourceReference ref = stmt.sourceReference();
+        verify(!substatements.isEmpty(), "Missing implicit input/output statements at %s", ref);
+
+        try {
+            return new ActionEffectiveStatementImpl(stmt.declared(), stmt.wrapSchemaPath(),
+                EffectiveStatementMixins.historyAndStatusFlags(stmt.history(), substatements), substatements);
+        } catch (SubstatementIndexingException e) {
+            throw new SourceException(e.getMessage(), stmt, e);
+        }
     }
 
     @Override
-    protected ActionEffectiveStatement createEmptyEffective(
-            final StmtContext<QName, ActionStatement, ActionEffectiveStatement> ctx, final ActionStatement declared) {
-        throw new IllegalStateException("Missing implicit input/output statements at "
-            + ctx.getStatementSourceReference());
+    public ActionEffectiveStatement copyEffective(final Current<QName, ActionStatement> stmt,
+            final ActionEffectiveStatement original) {
+        return new ActionEffectiveStatementImpl((ActionEffectiveStatementImpl) original, stmt.wrapSchemaPath(),
+            EffectiveStatementMixins.historyAndStatusFlags(stmt.history(), original.effectiveSubstatements()));
     }
-
-    private static int computeFlags(final StmtContext<?, ?, ?> ctx,
-            final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
-        return new FlagsBuilder()
-                .setHistory(ctx.getCopyHistory())
-                .setStatus(findFirstArgument(substatements, StatusEffectiveStatement.class, Status.CURRENT))
-                .toFlags();
-    }
-
 }