/*
- * 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,
private InferenceAction action;
private boolean actionApplied = false;
- ModifierImpl(ModelProcessingPhase phase) {
+ ModifierImpl(final ModelProcessingPhase phase) {
this.phase = Preconditions.checkNotNull(phase);
}
- private <D> AbstractPrerequisite<D> addReq(AbstractPrerequisite<D> prereq) {
+ private <D> AbstractPrerequisite<D> addReq(final AbstractPrerequisite<D> prereq) {
unsatisfied.add(prereq);
return prereq;
}
- private <T> AbstractPrerequisite<T> addMutation(AbstractPrerequisite<T> mutation) {
+ private <T> AbstractPrerequisite<T> addMutation(final AbstractPrerequisite<T> mutation) {
mutations.add(mutation);
return mutation;
}
Preconditions.checkState(action == null, "Action was already registered.");
}
- private IllegalStateException shouldNotHappenProbablyBug(SourceException e) {
+ private static IllegalStateException shouldNotHappenProbablyBug(final 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 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.
+ // We are removing current prerequisite from list.
+ prereq.remove();
} else {
allSatisfied = false;
}
return actionApplied;
}
- void failModifier() throws InferenceException {
+ void failModifier() {
removeSatisfied();
action.prerequisiteFailed(unsatisfied);
action = null;
}
- private void applyAction() throws InferenceException {
-
+ private void applyAction() {
+ Preconditions.checkState(!actionApplied);
action.apply();
- // Mark all mutations as performed, so context node could move to next.
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);
return addedToNs;
}
}
- private <C extends StmtContext<?, ?, ?>> AbstractPrerequisite<C> requiresCtxImpl(C context, ModelProcessingPhase phase) {
+ private <C extends StmtContext<?, ?, ?>> AbstractPrerequisite<C> requiresCtxImpl(final C context, final ModelProcessingPhase phase) {
Preconditions.checkState(action == null, "Action was already registered.");
try {
- PhaseFinished<C> phaseFin = new PhaseFinished<C>();
+ PhaseFinished<C> phaseFin = new PhaseFinished<>();
addReq(phaseFin);
contextImpl(context).addPhaseCompletedListener(phase,phaseFin);
return phaseFin;
}
@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) {
+ 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) {
try {
- PhaseModificationInNamespace<C> mod = new PhaseModificationInNamespace<C>(phase);
+ PhaseModificationInNamespace<C> mod = new PhaseModificationInNamespace<>(phase);
+ addReq(mod);
addMutation(mod);
contextImpl(context).onNamespaceItemAddedAction((Class) namespace,key,mod);
return mod;
}
}
- private static StatementContextBase<?,?,?> contextImpl(StmtContext<?,?,?> context) {
- Preconditions.checkArgument(context instanceof StatementContextBase,"Supplied context was not provided by this reactor.");
- return StatementContextBase.class.cast(context);
+ 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);
+ }
+
+ boolean tryApply() {
+ Preconditions.checkState(action != null, "Action was not defined yet.");
+
+ if (removeSatisfied()) {
+ applyAction();
+ return true;
+ }
+ return false;
}
@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);
}
}
@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);
}
@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);
}
@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(StmtContextUtils.buildDeclared());
}
@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);
}
@Override
public <K, D extends DeclaredStatement<?>, N extends StatementNamespace<K, ? extends D, ?>> Prerequisite<D> requiresDeclared(
- StmtContext<?, ?, ?> context, Class<N> namespace, K key) {
+ final StmtContext<?, ?, ?> context, final Class<N> namespace, final K key) {
final AbstractPrerequisite<StmtContext<?,D,?>> rawContext = requiresCtxImpl(context, namespace, key, FULL_DECLARATION);
- return rawContext.transform(StmtContextUtils.<D>buildDeclared());
+ return rawContext.transform(StmtContextUtils.buildDeclared());
}
@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(StmtContextUtils.buildEffective());
}
@Override
public <K, E extends EffectiveStatement<?, ?>, N extends StatementNamespace<K, ?, ? extends E>> AbstractPrerequisite<StmtContext<?, ?, E>> requiresEffectiveCtx(
- StmtContext<?, ?, ?> context, Class<N> namespace, K key) {
+ final StmtContext<?, ?, ?> context, final Class<N> namespace, final K key) {
return requiresCtxImpl(contextImpl(context),namespace,key, EFFECTIVE_MODEL);
}
@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(StmtContextUtils.buildEffective());
}
@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);
}
}
@Override
- public <T extends Mutable<?, ?, ?>> Prerequisite<T> mutatesEffectiveCtx(T stmt) {
+ public <T extends Mutable<?, ?, ?>> Prerequisite<T> mutatesEffectiveCtx(final 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) {
this.action = Preconditions.checkNotNull(action);
- tryToResolve();
}
private abstract class AbstractPrerequisite<T> implements Prerequisite<T> {
return done;
}
- protected void resolvePrereq(T value) throws InferenceException {
- Preconditions.checkState(!isDone());
+ protected 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) {
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);
}
@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 {
+ public NamespaceMutation(final StatementContextBase<?, ?, ?> ctx, final Class<N> namespace) {
resolvePrereq(ctx);
}
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);
}
}
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
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