/*
- * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
+ * Copyright (c) 2015, 2016 Cisco Systems, Inc. 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,
import static org.opendaylight.yangtools.yang.parser.spi.meta.ModelProcessingPhase.EFFECTIVE_MODEL;
import static org.opendaylight.yangtools.yang.parser.spi.meta.ModelProcessingPhase.FULL_DECLARATION;
-import com.google.common.base.Function;
+import com.google.common.base.MoreObjects;
+import com.google.common.base.MoreObjects.ToStringHelper;
import com.google.common.base.Preconditions;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
+import java.util.function.Function;
+import javax.annotation.Nonnull;
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.IdentifierNamespace;
import org.opendaylight.yangtools.yang.parser.spi.meta.StatementNamespace;
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.source.SourceException;
import org.opendaylight.yangtools.yang.parser.stmt.reactor.StatementContextBase.ContextMutation;
import org.opendaylight.yangtools.yang.parser.stmt.reactor.StatementContextBase.OnNamespaceItemAdded;
import org.opendaylight.yangtools.yang.parser.stmt.reactor.StatementContextBase.OnPhaseFinished;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
-class ModifierImpl implements ModelActionBuilder {
+final class ModifierImpl implements ModelActionBuilder {
+ private static final Logger LOG = LoggerFactory.getLogger(ModifierImpl.class);
- private final ModelProcessingPhase phase;
- private final Set<AbstractPrerequisite<?>> unsatisfied = new HashSet<>();
- private final Set<AbstractPrerequisite<?>> mutations = new HashSet<>();
+ private final InferenceContext ctx = new InferenceContext() { };
+
+ private final Set<AbstractPrerequisite<?>> unsatisfied = new HashSet<>(1);
+ private final Set<AbstractPrerequisite<?>> mutations = new HashSet<>(1);
private InferenceAction action;
private boolean actionApplied = false;
- ModifierImpl(ModelProcessingPhase phase) {
- this.phase = Preconditions.checkNotNull(phase);
- }
-
- private <D> AbstractPrerequisite<D> addReq(AbstractPrerequisite<D> prereq) {
+ private <D> AbstractPrerequisite<D> addReq(final AbstractPrerequisite<D> prereq) {
+ LOG.trace("Modifier {} adding prerequisite {}", this, prereq);
unsatisfied.add(prereq);
return prereq;
}
- private <T> AbstractPrerequisite<T> addMutation(AbstractPrerequisite<T> mutation) {
+ private <T> AbstractPrerequisite<T> addMutation(final AbstractPrerequisite<T> mutation) {
+ LOG.trace("Modifier {} adding mutation {}", this, mutation);
mutations.add(mutation);
return mutation;
}
-
-
private void checkNotRegistered() {
Preconditions.checkState(action == null, "Action was already registered.");
}
- private IllegalStateException shouldNotHappenProbablyBug(SourceException e) {
- return new IllegalStateException("Source exception during registering prerequisite. This is probably bug.",e);
- }
-
- private void tryToResolve() throws InferenceException {
- if(action == null) {
- return; // Action was not yet defined
- }
- if(removeSatisfied()) {
- applyAction();
- }
+ private static IllegalStateException shouldNotHappenProbablyBug(final SourceException e) {
+ return new IllegalStateException("Source exception during registering prerequisite. This is probably bug.", e);
}
private boolean removeSatisfied() {
- Iterator<AbstractPrerequisite<?>> prereq = unsatisfied.iterator();
- boolean allSatisfied = true;
- while(prereq.hasNext()) {
- if(prereq.next().isDone()) {
- prereq.remove(); // We are removing current prerequisite from list.
- } else {
- allSatisfied = false;
+ final Iterator<AbstractPrerequisite<?>> it = unsatisfied.iterator();
+ while (it.hasNext()) {
+ final AbstractPrerequisite<?> prereq = it.next();
+ if (prereq.isDone()) {
+ // We are removing current prerequisite from list.
+ LOG.trace("Modifier {} prerequisite {} satisfied", this, prereq);
+ it.remove();
}
}
- return allSatisfied;
- }
-
- ModelProcessingPhase getPhase() {
- return phase;
+ return unsatisfied.isEmpty();
}
boolean isApplied() {
-
return actionApplied;
}
- void failModifier() throws InferenceException {
+ void failModifier() {
removeSatisfied();
action.prerequisiteFailed(unsatisfied);
action = null;
}
- private void applyAction() throws InferenceException {
-
- action.apply();
- // Mark all mutations as performed, so context node could move to next.
+ private void applyAction() {
+ Preconditions.checkState(!actionApplied);
+ action.apply(ctx);
actionApplied = true;
}
@SuppressWarnings({ "unchecked", "rawtypes" })
- private <K, C extends StmtContext<?,?,?>, N extends StatementNamespace<K, ?, ?>> AbstractPrerequisite<C> requiresCtxImpl(StmtContext<?, ?, ?> context, Class<N> namespace, K key,ModelProcessingPhase phase) {
+ private <K, C extends StmtContext<?,?,?>, N extends StatementNamespace<K, ?, ?>> AbstractPrerequisite<C>
+ requiresCtxImpl(final StmtContext<?, ?, ?> context, final Class<N> namespace, final K key,
+ final ModelProcessingPhase phase) {
checkNotRegistered();
+
try {
- AddedToNamespace<C> addedToNs = new AddedToNamespace<C>(phase);
+ AddedToNamespace<C> addedToNs = new AddedToNamespace<>(phase);
addReq(addedToNs);
- contextImpl(context).onNamespaceItemAddedAction((Class) namespace,key,addedToNs);
+ contextImpl(context).onNamespaceItemAddedAction((Class) namespace, key, addedToNs);
return addedToNs;
} catch (SourceException e) {
throw shouldNotHappenProbablyBug(e);
}
}
- private <C extends StmtContext<?, ?, ?>> AbstractPrerequisite<C> requiresCtxImpl(C context, ModelProcessingPhase phase) {
- Preconditions.checkState(action == null, "Action was already registered.");
+ private <C extends StmtContext<?, ?, ?>> AbstractPrerequisite<C> requiresCtxImpl(final C context,
+ final ModelProcessingPhase phase) {
+ checkNotRegistered();
+
try {
- PhaseFinished<C> phaseFin = new PhaseFinished<C>();
+ PhaseFinished<C> phaseFin = new PhaseFinished<>();
addReq(phaseFin);
- contextImpl(context).addPhaseCompletedListener(phase,phaseFin);
+ contextImpl(context).addPhaseCompletedListener(phase, phaseFin);
return phaseFin;
} catch (SourceException e) {
throw shouldNotHappenProbablyBug(e);
}
@SuppressWarnings({ "rawtypes", "unchecked" })
- private <K, C extends StmtContext.Mutable<?, ?, ?> , N extends StatementNamespace<K, ?, ? >> AbstractPrerequisite<C> mutatesCtxImpl(
- StmtContext<?, ?, ?> context, Class<N> namespace, K key, ModelProcessingPhase phase) {
- try {
- PhaseModificationInNamespace<C> mod = new PhaseModificationInNamespace<C>(phase);
- addMutation(mod);
- contextImpl(context).onNamespaceItemAddedAction((Class) namespace,key,mod);
- return mod;
- } catch (SourceException e) {
- throw shouldNotHappenProbablyBug(e);
- }
+ private <K, C extends StmtContext.Mutable<?, ?, ?> , N extends IdentifierNamespace<K, ? extends StmtContext<?, ?, ?>>>
+ AbstractPrerequisite<C> mutatesCtxImpl(final StmtContext<?, ?, ?> context, final Class<N> namespace,
+ final K key, final ModelProcessingPhase phase) {
+ checkNotRegistered();
+
+ try {
+ PhaseModificationInNamespace<C> mod = new PhaseModificationInNamespace<>(phase);
+ addReq(mod);
+ addMutation(mod);
+ contextImpl(context).onNamespaceItemAddedAction((Class) namespace, key, mod);
+ return mod;
+ } catch (SourceException e) {
+ throw shouldNotHappenProbablyBug(e);
}
+ }
+
+ private static StatementContextBase<?,?,?> contextImpl(final Object value) {
+ Preconditions.checkArgument(value instanceof StatementContextBase,"Supplied context was not provided by this reactor.");
+ return StatementContextBase.class.cast(value);
+ }
- private static StatementContextBase<?,?,?> contextImpl(StmtContext<?,?,?> context) {
- Preconditions.checkArgument(context instanceof StatementContextBase,"Supplied context was not provided by this reactor.");
- return StatementContextBase.class.cast(context);
+ boolean tryApply() {
+ Preconditions.checkState(action != null, "Action was not defined yet.");
+
+ if (removeSatisfied()) {
+ applyAction();
+ return true;
+ }
+ return false;
}
+ @Nonnull
@Override
- public <C extends Mutable<?, ?, ?>, CT extends C> Prerequisite<C> mutatesCtx(CT context, ModelProcessingPhase phase) {
+ public <C extends Mutable<?, ?, ?>, CT extends C> Prerequisite<C> mutatesCtx(final CT context, final ModelProcessingPhase phase) {
try {
- return addMutation(new PhaseMutation<C>(contextImpl(context),phase));
+ return addMutation(new PhaseMutation<>(contextImpl(context), phase));
} catch (InferenceException e) {
throw shouldNotHappenProbablyBug(e);
}
}
+ @Nonnull
@Override
- public <A,D extends DeclaredStatement<A>,E extends EffectiveStatement<A, D>> AbstractPrerequisite<StmtContext<A, D, E>> requiresCtx(StmtContext<A, D, E> context, ModelProcessingPhase phase) {
+ public <A,D extends DeclaredStatement<A>,E extends EffectiveStatement<A, D>> AbstractPrerequisite<StmtContext<A, D, E>> requiresCtx(final StmtContext<A, D, E> context, final ModelProcessingPhase phase) {
return requiresCtxImpl(context, phase);
}
+ @Nonnull
@Override
- public <K, N extends StatementNamespace<K, ?, ? >> Prerequisite<StmtContext<?,?,?>> requiresCtx(StmtContext<?, ?, ?> context, Class<N> namespace, K key, ModelProcessingPhase phase) {
+ public <K, N extends StatementNamespace<K, ?, ? >> Prerequisite<StmtContext<?,?,?>> requiresCtx(final StmtContext<?, ?, ?> context, final Class<N> namespace, final K key, final ModelProcessingPhase phase) {
return requiresCtxImpl(context, namespace, key, phase);
}
+ @Nonnull
@Override
- public <D extends DeclaredStatement<?>> Prerequisite<D> requiresDeclared(StmtContext<?, ? extends D, ?> context) {
- return requiresCtxImpl(context, FULL_DECLARATION).transform(StmtContextUtils.<D>buildDeclared());
+ public <D extends DeclaredStatement<?>> Prerequisite<D> requiresDeclared(final StmtContext<?, ? extends D, ?> context) {
+ return requiresCtxImpl(context, FULL_DECLARATION).transform(StmtContext::buildDeclared);
}
+ @Nonnull
@Override
public <K, D extends DeclaredStatement<?>, N extends StatementNamespace<K, ? extends D, ?>> AbstractPrerequisite<StmtContext<?, D, ?>> requiresDeclaredCtx(
- StmtContext<?, ?, ?> context, Class<N> namespace, K key) {
+ final StmtContext<?, ?, ?> context, final Class<N> namespace, final K key) {
return requiresCtxImpl(context, namespace, key, FULL_DECLARATION);
}
+ @Nonnull
@Override
public <K, D extends DeclaredStatement<?>, N extends StatementNamespace<K, ? extends D, ?>> Prerequisite<D> requiresDeclared(
- StmtContext<?, ?, ?> context, Class<N> namespace, K key) {
- final AbstractPrerequisite<StmtContext<?,D,?>> rawContext = requiresCtxImpl(context, namespace, key, FULL_DECLARATION);
- return rawContext.transform(StmtContextUtils.<D>buildDeclared());
+ final StmtContext<?, ?, ?> context, final Class<N> namespace, final K key) {
+ final AbstractPrerequisite<StmtContext<?, D, ?>> rawContext = requiresCtxImpl(context, namespace, key, FULL_DECLARATION);
+ return rawContext.transform(StmtContext::buildDeclared);
}
+ @Nonnull
@Override
- public <E extends EffectiveStatement<?, ?>> Prerequisite<E> requiresEffective(StmtContext<?, ?, ? extends E> stmt) {
- return requiresCtxImpl(stmt, EFFECTIVE_MODEL).transform(StmtContextUtils.<E>buildEffective());
+ public <E extends EffectiveStatement<?, ?>> Prerequisite<E> requiresEffective(final StmtContext<?, ?, ? extends E> stmt) {
+ return requiresCtxImpl(stmt, EFFECTIVE_MODEL).transform(StmtContext::buildEffective);
}
+ @Nonnull
@Override
public <K, E extends EffectiveStatement<?, ?>, N extends StatementNamespace<K, ?, ? extends E>> AbstractPrerequisite<StmtContext<?, ?, E>> requiresEffectiveCtx(
- StmtContext<?, ?, ?> context, Class<N> namespace, K key) {
- return requiresCtxImpl(contextImpl(context),namespace,key, EFFECTIVE_MODEL);
+ final StmtContext<?, ?, ?> context, final Class<N> namespace, final K key) {
+ return requiresCtxImpl(contextImpl(context), namespace, key, EFFECTIVE_MODEL);
}
+ @Nonnull
@Override
public <K, E extends EffectiveStatement<?, ?>, N extends StatementNamespace<K, ?, ? extends E>> Prerequisite<E> requiresEffective(
- StmtContext<?, ?, ?> context, Class<N> namespace, K key) {
+ final StmtContext<?, ?, ?> context, final Class<N> namespace, final K key) {
final AbstractPrerequisite<StmtContext<?,?,E>> rawContext = requiresCtxImpl(context, namespace, key, EFFECTIVE_MODEL);
- return rawContext.transform(StmtContextUtils.<E>buildEffective());
+ return rawContext.transform(StmtContext::buildEffective);
}
+ @Nonnull
@Override
- public <N extends IdentifierNamespace<?, ?>> Prerequisite<Mutable<?, ?, ?>> mutatesNs(Mutable<?, ?, ?> context,
- Class<N> namespace) {
+ public <N extends IdentifierNamespace<?, ?>> Prerequisite<Mutable<?, ?, ?>> mutatesNs(final Mutable<?, ?, ?> context,
+ final Class<N> namespace) {
try {
- return addMutation(new NamespaceMutation<N>(contextImpl(context),namespace));
+ return addMutation(new NamespaceMutation<>(contextImpl(context), namespace));
} catch (SourceException e) {
throw shouldNotHappenProbablyBug(e);
}
}
+ @Nonnull
@Override
- public <T extends Mutable<?, ?, ?>> Prerequisite<T> mutatesEffectiveCtx(T stmt) {
- return mutatesCtx(stmt, EFFECTIVE_MODEL);
- }
-
-
- @Override
- public <K, E extends EffectiveStatement<?, ?>, N extends StatementNamespace<K, ?, ? extends E>> AbstractPrerequisite<Mutable<?, ?, E>> mutatesEffectiveCtx(
- StmtContext<?, ?, ?> context, Class<N> namespace, K key) {
+ public <K, E extends EffectiveStatement<?, ?>, N extends IdentifierNamespace<K, ? extends StmtContext<?, ?, ?>>> AbstractPrerequisite<Mutable<?, ?, E>> mutatesEffectiveCtx(
+ final StmtContext<?, ?, ?> context, final Class<N> namespace, final K key) {
return mutatesCtxImpl(context, namespace, key, EFFECTIVE_MODEL);
}
-
-
@Override
- public void apply(InferenceAction action) throws InferenceException {
+ public void apply(final InferenceAction action) {
+ Preconditions.checkState(this.action == null, "Action already defined to %s", this.action);
this.action = Preconditions.checkNotNull(action);
- tryToResolve();
}
private abstract class AbstractPrerequisite<T> implements Prerequisite<T> {
- private T value;
private boolean done = false;
+ private T value;
@Override
- public T get() {
- Preconditions.checkState(isDone());
+ public final T resolve(final InferenceContext ctx) {
+ Preconditions.checkState(done);
+ Preconditions.checkArgument(ctx == ModifierImpl.this.ctx);
return value;
}
- @Override
- public boolean isDone() {
+ final boolean isDone() {
return done;
}
- protected void resolvePrereq(T value) throws InferenceException {
- Preconditions.checkState(!isDone());
+ final boolean resolvePrereq(final T value) {
this.value = value;
this.done = true;
- tryToResolve();
+ return isApplied();
}
- protected <O> Prerequisite<O> transform(final Function<? super T,O> transformation) {
-
- return new Prerequisite<O>() {
-
- @Override
- public O get() {
- return transformation.apply(AbstractPrerequisite.this.get());
- }
-
- @Override
- public boolean isDone() {
- return AbstractPrerequisite.this.isDone();
- }
+ final <O> Prerequisite<O> transform(final Function<? super T, O> transformation) {
+ return ctx -> transformation.apply(resolve(ctx));
+ }
- };
+ @Override
+ public final String toString() {
+ return addToStringAttributes(MoreObjects.toStringHelper(this).omitNullValues()).toString();
}
+ ToStringHelper addToStringAttributes(final ToStringHelper toStringHelper) {
+ return toStringHelper.add("value", value);
+ }
}
private class PhaseMutation<C> extends AbstractPrerequisite<C> implements ContextMutation {
-
@SuppressWarnings("unchecked")
- public PhaseMutation(StatementContextBase<?, ?, ?> context, ModelProcessingPhase phase) throws InferenceException {
+ public PhaseMutation(final StatementContextBase<?, ?, ?> context, final ModelProcessingPhase phase) {
context.addMutation(phase, this);
resolvePrereq((C) context);
}
public boolean isFinished() {
return isApplied();
}
-
-
}
- private class PhaseFinished<C extends StmtContext<?, ?, ?>> extends AbstractPrerequisite<C> implements OnPhaseFinished {
+ private class PhaseFinished<C extends StmtContext<?, ?, ?>> extends AbstractPrerequisite<C> implements OnPhaseFinished {
@SuppressWarnings("unchecked")
@Override
- public void phaseFinished(StatementContextBase<?, ?, ?> context, ModelProcessingPhase phase) throws SourceException {
- resolvePrereq((C) (context));
+ public boolean phaseFinished(final StatementContextBase<?, ?, ?> context, final ModelProcessingPhase phase) {
+ return resolvePrereq((C) context);
}
}
- private class NamespaceMutation<N extends IdentifierNamespace<?,?>> extends AbstractPrerequisite<StmtContext.Mutable<?, ?, ?>> {
-
- public NamespaceMutation(StatementContextBase<?, ?, ?> ctx, Class<N> namespace) throws InferenceException {
+ private class NamespaceMutation<N extends IdentifierNamespace<?,?>> extends AbstractPrerequisite<StmtContext.Mutable<?, ?, ?>> {
+ public NamespaceMutation(final StatementContextBase<?, ?, ?> ctx, final Class<N> namespace) {
resolvePrereq(ctx);
}
-
}
- private class AddedToNamespace<C extends StmtContext<?,?,?>> extends AbstractPrerequisite<C> implements OnNamespaceItemAdded,OnPhaseFinished {
-
+ private class AddedToNamespace<C extends StmtContext<?,?,?>> extends AbstractPrerequisite<C> implements OnNamespaceItemAdded,OnPhaseFinished {
private final ModelProcessingPhase phase;
- public <K, N extends StatementNamespace<K, ?, ?>> AddedToNamespace(ModelProcessingPhase phase) {
+ public <K, N extends StatementNamespace<K, ?, ?>> AddedToNamespace(final ModelProcessingPhase phase) {
this.phase = phase;
}
@Override
- public void namespaceItemAdded(StatementContextBase<?, ?, ?> context, Class<?> namespace, Object key,
- Object value) throws SourceException {
+ public void namespaceItemAdded(final StatementContextBase<?, ?, ?> context, final Class<?> namespace, final Object key,
+ final Object value) {
StatementContextBase<?, ?, ?> targetContext = (StatementContextBase<?, ?, ?>) value;
targetContext.addPhaseCompletedListener(phase, this);
}
@SuppressWarnings("unchecked")
@Override
- public void phaseFinished(StatementContextBase<?, ?, ?> context, ModelProcessingPhase phase) throws SourceException {
- resolvePrereq((C) context);
+ public boolean phaseFinished(final StatementContextBase<?, ?, ?> context, final ModelProcessingPhase phase) {
+ return resolvePrereq((C) context);
}
+ @Override
+ ToStringHelper addToStringAttributes(final ToStringHelper toStringHelper) {
+ return super.addToStringAttributes(toStringHelper).add("phase", phase);
+ }
}
private class PhaseModificationInNamespace<C extends Mutable<?,?,?>> extends AbstractPrerequisite<C> implements OnNamespaceItemAdded, ContextMutation {
-
private final ModelProcessingPhase modPhase;
- public <K, N extends StatementNamespace<K, ?, ?>> PhaseModificationInNamespace(ModelProcessingPhase phase) throws SourceException {
+ public <K, N extends StatementNamespace<K, ?, ?>> PhaseModificationInNamespace(final ModelProcessingPhase phase) {
Preconditions.checkArgument(phase != null, "Model processing phase must not be null");
this.modPhase = phase;
}
@SuppressWarnings("unchecked")
@Override
- public void namespaceItemAdded(StatementContextBase<?, ?, ?> context, Class<?> namespace, Object key,
- Object value) throws SourceException {
- context.addMutation(modPhase,this);
- resolvePrereq((C) context);
+ public void namespaceItemAdded(final StatementContextBase<?, ?, ?> context, final Class<?> namespace, final Object key,
+ final Object value) {
+ StatementContextBase<?, ?, ?> targetCtx = contextImpl(value);
+ targetCtx.addMutation(modPhase, this);
+ resolvePrereq((C) targetCtx);
}
@Override
return isApplied();
}
}
-
}
Code Review / yangtools.git / blobdiff