package org.opendaylight.yangtools.yang.parser.stmt.rfc6020.effective;
import com.google.common.base.Optional;
+import com.google.common.base.Predicate;
import com.google.common.base.Predicates;
import com.google.common.collect.Collections2;
import com.google.common.collect.ImmutableList;
public abstract class EffectiveStatementBase<A, D extends DeclaredStatement<A>> implements EffectiveStatement<A, D> {
+ private static final Predicate<StmtContext<?, ?, ?>> IS_UNKNOWN_STATEMENT_CONTEXT =
+ StmtContextUtils::isUnknownStatement;
+ private static final Predicate<StmtContext<?, ?, ?>> IS_NOT_UNKNOWN_STATEMENT_CONTEXT =
+ Predicates.not(IS_UNKNOWN_STATEMENT_CONTEXT);
+
private final List<? extends EffectiveStatement<?, ?>> substatements;
+ private final List<StatementContextBase<?, ?, ?>> unknownSubstatementsToBuild;
protected EffectiveStatementBase(final StmtContext<A, D, ?> ctx) {
- Collection<StatementContextBase<?, ?, ?>> effectiveSubstatements = ctx.effectiveSubstatements();
-
- Collection<StatementContextBase<?, ?, ?>> substatementsInit = new ArrayList<>();
+ this(ctx, true);
+ }
- for(StatementContextBase<?, ?, ?> declaredSubstatement : ctx.declaredSubstatements()) {
+ /**
+ * Constructor.
+ *
+ * @param ctx
+ * context of statement.
+ * @param buildUnknownSubstatements
+ * if it is false, the unknown substatements are omitted from
+ * build of effective substatements till the call of either
+ * effectiveSubstatements or getOmittedUnknownSubstatements
+ * method. The main purpose of this is to allow the build of
+ * recursive extension definitions.
+ */
+ protected EffectiveStatementBase(final StmtContext<A, D, ?> ctx, final boolean buildUnknownSubstatements) {
+
+ final Collection<StatementContextBase<?, ?, ?>> effectiveSubstatements = ctx.effectiveSubstatements();
+ final Collection<StatementContextBase<?, ?, ?>> substatementsInit = new ArrayList<>();
+
+ final Collection<StatementContextBase<?, ?, ?>> supportedDeclaredSubStmts = Collections2.filter(
+ ctx.declaredSubstatements(), StmtContextUtils::areFeaturesSupported);
+ for (final StatementContextBase<?, ?, ?> declaredSubstatement : supportedDeclaredSubStmts) {
if (declaredSubstatement.getPublicDefinition().equals(Rfc6020Mapping.USES)) {
substatementsInit.add(declaredSubstatement);
substatementsInit.addAll(declaredSubstatement.getEffectOfStatement());
- ((StatementContextBase<?, ?, ?>)ctx).removeStatementsFromEffectiveSubstatements(declaredSubstatement
+ ((StatementContextBase<?, ?, ?>) ctx).removeStatementsFromEffectiveSubstatements(declaredSubstatement
.getEffectOfStatement());
} else {
substatementsInit.add(declaredSubstatement);
}
}
-
substatementsInit.addAll(effectiveSubstatements);
- this.substatements = ImmutableList.copyOf(Collections2.transform(
- Collections2.filter(substatementsInit, StmtContextUtils.IS_SUPPORTED_TO_BUILD_EFFECTIVE),
- StmtContextUtils.buildEffective()));
+ Collection<StatementContextBase<?, ?, ?>> substatementsToBuild = Collections2.filter(substatementsInit,
+ StmtContext::isSupportedToBuildEffective);
+ if (!buildUnknownSubstatements) {
+ this.unknownSubstatementsToBuild = ImmutableList.copyOf(Collections2.filter(substatementsToBuild,
+ IS_UNKNOWN_STATEMENT_CONTEXT));
+ substatementsToBuild = Collections2.filter(substatementsToBuild, IS_NOT_UNKNOWN_STATEMENT_CONTEXT);
+ } else {
+ this.unknownSubstatementsToBuild = ImmutableList.of();
+ }
+
+ this.substatements = ImmutableList.copyOf(Collections2.transform(substatementsToBuild, StatementContextBase::buildEffective));
+ }
+
+ Collection<EffectiveStatement<?, ?>> getOmittedUnknownSubstatements() {
+ return Collections2.transform(unknownSubstatementsToBuild, StatementContextBase::buildEffective);
}
@Override
@Override
public final Collection<? extends EffectiveStatement<?, ?>> effectiveSubstatements() {
- return substatements;
+ if (unknownSubstatementsToBuild.isEmpty()) {
+ return substatements;
+ } else {
+ return ImmutableList.copyOf(Iterables.concat(substatements, getOmittedUnknownSubstatements()));
+ }
}
protected final <S extends EffectiveStatement<?, ?>> S firstEffective(final Class<S> type) {
- Optional<? extends EffectiveStatement<?, ?>> possible = Iterables.tryFind(substatements,
+ final Optional<? extends EffectiveStatement<?, ?>> possible = Iterables.tryFind(substatements,
Predicates.instanceOf(type));
return possible.isPresent() ? type.cast(possible.get()) : null;
}
protected final <S extends SchemaNode> S firstSchemaNode(final Class<S> type) {
- Optional<? extends EffectiveStatement<?, ?>> possible = Iterables.tryFind(substatements,
+ final Optional<? extends EffectiveStatement<?, ?>> possible = Iterables.tryFind(substatements,
Predicates.instanceOf(type));
return possible.isPresent() ? type.cast(possible.get()) : null;
}
}
protected final <T> T firstSubstatementOfType(final Class<T> type) {
- Optional<? extends EffectiveStatement<?, ?>> possible = Iterables.tryFind(substatements,
+ final Optional<? extends EffectiveStatement<?, ?>> possible = Iterables.tryFind(substatements,
Predicates.instanceOf(type));
return possible.isPresent() ? type.cast(possible.get()) : null;
}
protected final <R> R firstSubstatementOfType(final Class<?> type, final Class<R> returnType) {
- Optional<? extends EffectiveStatement<?, ?>> possible = Iterables.tryFind(substatements,
+ final Optional<? extends EffectiveStatement<?, ?>> possible = Iterables.tryFind(substatements,
Predicates.and(Predicates.instanceOf(type), Predicates.instanceOf(returnType)));
return possible.isPresent() ? returnType.cast(possible.get()) : null;
}
protected final EffectiveStatement<?, ?> firstEffectiveSubstatementOfType(final Class<?> type) {
- Optional<? extends EffectiveStatement<?, ?>> possible = Iterables.tryFind(substatements,
- Predicates.instanceOf(type));
- return possible.isPresent() ? possible.get() : null;
+ return Iterables.tryFind(substatements, Predicates.instanceOf(type)).orNull();
}
}