Select copyPolicy for each StatementSupport class

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

diff --git a/yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/when/WhenStatementSupport.java b/yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/when/WhenStatementSupport.java
index 060a4665ca753c2e9775b08e6172bfc1c80c1ae8..359186d04fb0fa344442e5ff3161b680b2dfeb29 100644 (file)
--- a/yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/when/WhenStatementSupport.java
+++ b/yang/yang-parser-rfc7950/src/main/java/org/opendaylight/yangtools/yang/parser/rfc7950/stmt/when/WhenStatementSupport.java
@@ -9,18 +9,22 @@ package org.opendaylight.yangtools.yang.parser.rfc7950.stmt.when;
 
 import static java.util.Objects.requireNonNull;
 
+import com.google.common.collect.ImmutableList;
 import org.eclipse.jdt.annotation.NonNull;
-import org.opendaylight.yangtools.yang.model.api.RevisionAwareXPath;
 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.stmt.WhenEffectiveStatement;
 import org.opendaylight.yangtools.yang.model.api.stmt.WhenStatement;
+import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.BaseStatementSupport;
 import org.opendaylight.yangtools.yang.parser.rfc7950.stmt.XPathSupport;
-import org.opendaylight.yangtools.yang.parser.spi.meta.AbstractStatementSupport;
+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.SubstatementValidator;
+import org.opendaylight.yangtools.yang.xpath.api.YangXPathExpression.QualifiedBound;
 
 public final class WhenStatementSupport
-        extends AbstractStatementSupport<RevisionAwareXPath, WhenStatement, WhenEffectiveStatement> {
+        extends BaseStatementSupport<QualifiedBound, WhenStatement, WhenEffectiveStatement> {
     private static final SubstatementValidator SUBSTATEMENT_VALIDATOR = SubstatementValidator.builder(
         YangStmtMapping.WHEN)
         .addOptional(YangStmtMapping.DESCRIPTION)
@@ -30,7 +34,8 @@ public final class WhenStatementSupport
     private final @NonNull XPathSupport xpathSupport;
 
     private WhenStatementSupport(final XPathSupport xpathSupport) {
-        super(YangStmtMapping.WHEN);
+        // Note: declared copy to future-proof when we bind expressions
+        super(YangStmtMapping.WHEN, CopyPolicy.DECLARED_COPY);
         this.xpathSupport = requireNonNull(xpathSupport);
     }
 
@@ -39,23 +44,30 @@ public final class WhenStatementSupport
     }
 
     @Override
-    public RevisionAwareXPath parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
+    public QualifiedBound parseArgumentValue(final StmtContext<?, ?, ?> ctx, final String value) {
         return xpathSupport.parseXPath(ctx, value);
     }
 
     @Override
-    public WhenStatement createDeclared(final StmtContext<RevisionAwareXPath, WhenStatement, ?> ctx) {
-        return new WhenStatementImpl(ctx);
+    protected SubstatementValidator getSubstatementValidator() {
+        return SUBSTATEMENT_VALIDATOR;
     }
 
     @Override
-    public WhenEffectiveStatement createEffective(
-            final StmtContext<RevisionAwareXPath, WhenStatement, WhenEffectiveStatement> ctx) {
-        return new WhenEffectiveStatementImpl(ctx);
+    protected WhenStatement createDeclared(final StmtContext<QualifiedBound, WhenStatement, ?> ctx,
+            final ImmutableList<? extends DeclaredStatement<?>> substatements) {
+        return new RegularWhenStatement(ctx.getRawArgument(), ctx.getArgument(), substatements);
     }
 
     @Override
-    protected SubstatementValidator getSubstatementValidator() {
-        return SUBSTATEMENT_VALIDATOR;
+    protected WhenStatement createEmptyDeclared(final StmtContext<QualifiedBound, WhenStatement, ?> ctx) {
+        return new EmptyWhenStatement(ctx.getRawArgument(), ctx.getArgument());
+    }
+
+    @Override
+    protected WhenEffectiveStatement createEffective(final Current<QualifiedBound, WhenStatement> stmt,
+            final ImmutableList<? extends EffectiveStatement<?, ?>> substatements) {
+        return substatements.isEmpty() ? new EmptyWhenEffectiveStatement(stmt.declared())
+            : new RegularWhenEffectiveStatement(stmt.declared(), substatements);
     }
-}
\ No newline at end of file
+}