Add yang.parser.rfc7950.stmt.meta

[yangtools.git] / yang / yang-parser-rfc7950 / src / main / java / org / opendaylight / yangtools / yang / parser / rfc7950 / stmt / meta / ActionStatementSupport.java

diff --git a/yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/meta/ActionStatementSupport.java b/yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/meta/ActionStatementSupport.java
new file mode 100644 (file)
index 0000000..50d2885
--- /dev/null
+++ b/yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/meta/ActionStatementSupport.java
@@ -0,0 +1,131 @@
+/*
+ * Copyright (c) 2017 Pantheon Technologies, s.r.o. and others.  All rights reserved.
+ *
+ * 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.rfc7950.stmt.meta;
+
+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.YangStmtMapping;
+import org.opendaylight.yangtools.yang.model.api.meta.DeclaredStatement;
+import org.opendaylight.yangtools.yang.model.api.meta.EffectiveStatement;
+import org.opendaylight.yangtools.yang.model.api.meta.StatementDefinition;
+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.ri.stmt.DeclaredStatements;
+import org.opendaylight.yangtools.yang.model.ri.stmt.EffectiveStatements;
+import org.opendaylight.yangtools.yang.model.spi.meta.EffectiveStatementMixins;
+import org.opendaylight.yangtools.yang.model.spi.meta.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.AbstractSchemaTreeStatementSupport;
+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;
+import org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator;
+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
+        AbstractSchemaTreeStatementSupport<ActionStatement, ActionEffectiveStatement> {
+
+    private static final ImmutableSet<StatementDefinition> ILLEGAL_PARENTS = ImmutableSet.of(
+            YangStmtMapping.NOTIFICATION, YangStmtMapping.RPC, YangStmtMapping.ACTION);
+
+    private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(
+        YangStmtMapping.ACTION)
+        .addOptional(YangStmtMapping.DESCRIPTION)
+        .addAny(YangStmtMapping.GROUPING)
+        .addAny(YangStmtMapping.IF_FEATURE)
+        .addOptional(YangStmtMapping.INPUT)
+        .addOptional(YangStmtMapping.OUTPUT)
+        .addOptional(YangStmtMapping.REFERENCE)
+        .addOptional(YangStmtMapping.STATUS)
+        .addAny(YangStmtMapping.TYPEDEF)
+        .build();
+    private static final ActionStatementSupport INSTANCE = new ActionStatementSupport();
+
+    private ActionStatementSupport() {
+        super(YangStmtMapping.ACTION, uninstantiatedPolicy());
+    }
+
+    public static ActionStatementSupport getInstance() {
+        return INSTANCE;
+    }
+
+    @Override
+    public void onStatementAdded(final Mutable<QName, ActionStatement, ActionEffectiveStatement> 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(
+                InputStatementSupport.rfc7950Instance(), null);
+        }
+        if (StmtContextUtils.findFirstDeclaredSubstatement(stmt, OutputStatement.class) == null) {
+            ((StatementContextBase<?, ?, ?>) stmt).appendImplicitSubstatement(
+                OutputStatementSupport.rfc7950Instance(), null);
+        }
+    }
+
+    @Override
+    protected SubstatementValidator getSubstatementValidator() {
+        return SUBSTATEMENT_VALIDATOR;
+    }
+
+    @Override
+    protected ActionStatement createDeclared(final StmtContext<QName, ActionStatement, ?> ctx,
+            final ImmutableList<? extends DeclaredStatement<?>> substatements) {
+        return DeclaredStatements.createAction(ctx.getArgument(), substatements);
+    }
+
+    @Override
+    protected ActionStatement createEmptyDeclared(final StmtContext<QName, ActionStatement, ?> ctx) {
+        return DeclaredStatements.createAction(ctx.getArgument());
+    }
+
+    @Override
+    protected ActionEffectiveStatement createEffective(final Current<QName, ActionStatement> stmt,
+            final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
+        final StatementSourceReference ref = stmt.sourceReference();
+        verify(!substatements.isEmpty(), "Missing implicit input/output statements at %s", ref);
+
+        try {
+            return EffectiveStatements.createAction(stmt.declared(), stmt.effectivePath(),
+                EffectiveStatementMixins.historyAndStatusFlags(stmt.history(), substatements), substatements);
+        } catch (SubstatementIndexingException e) {
+            throw new SourceException(e.getMessage(), stmt, e);
+        }
+    }
+
+    @Override
+    public ActionEffectiveStatement copyEffective(final Current<QName, ActionStatement> stmt,
+            final ActionEffectiveStatement original) {
+        return EffectiveStatements.copyAction(original, stmt.effectivePath(),
+            EffectiveStatementMixins.historyAndStatusFlags(stmt.history(), original.effectiveSubstatements()));
+    }
+}