| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.brooklyn.core.mgmt.internal; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| import java.io.File; |
| import java.io.InputStream; |
| import java.net.URL; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.concurrent.ExecutionException; |
| |
| import org.apache.brooklyn.api.mgmt.ExecutionContext; |
| import org.apache.brooklyn.config.ConfigKey; |
| import org.apache.brooklyn.config.ConfigKey.HasConfigKey; |
| import org.apache.brooklyn.core.config.ConfigKeys; |
| import org.apache.brooklyn.core.internal.BrooklynProperties; |
| import org.apache.brooklyn.util.core.config.ConfigBag; |
| import org.apache.brooklyn.util.core.flags.TypeCoercions; |
| import org.apache.brooklyn.util.core.task.DeferredSupplier; |
| import org.apache.brooklyn.util.core.task.Tasks; |
| import org.apache.brooklyn.util.exceptions.Exceptions; |
| import org.apache.brooklyn.util.guava.Maybe; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import com.google.common.base.Predicate; |
| import com.google.common.collect.Maps; |
| |
| /** |
| * Delegates to another {@link BrooklynProperties} implementation, but intercepts all calls to get. |
| * The results are transformed: if they are in the external-config format then they are |
| * automatically converted to {@link DeferredSupplier}. |
| * |
| * The external-config format is that same as that for camp-yaml blueprints (i.e. |
| * {@code $brooklyn:external("myprovider", "mykey")}. |
| */ |
| public class DeferredBrooklynProperties implements BrooklynProperties { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(DeferredBrooklynProperties.class); |
| |
| private static final String BROOKLYN_YAML_PREFIX = "$brooklyn:"; |
| |
| private final BrooklynProperties delegate; |
| private final ManagementContextInternal mgmt; |
| |
| public DeferredBrooklynProperties(BrooklynProperties delegate, ManagementContextInternal mgmt) { |
| this.delegate = checkNotNull(delegate, "delegate"); |
| this.mgmt = checkNotNull(mgmt, "mgmt"); |
| } |
| |
| private Object transform(ConfigKey<?> key, Object value) { |
| if (value instanceof CharSequence) { |
| String raw = value.toString(); |
| if (raw.startsWith(BROOKLYN_YAML_PREFIX)) { |
| CampYamlParser parser = mgmt.getScratchpad().get(CampYamlParser.YAML_PARSER_KEY); |
| if (parser == null) { |
| // TODO Should we fail or return the untransformed value? |
| // Problem is this gets called during initialisation, e.g. by BrooklynFeatureEnablement calling asMapWithStringKeys() |
| // throw new IllegalStateException("Cannot parse external-config for "+key+" because no camp-yaml parser available"); |
| LOG.debug("Not transforming external-config {}, as no camp-yaml parser available", key); |
| return value; |
| } |
| return parser.parse(raw); |
| } |
| } |
| return value; |
| } |
| |
| private <T> T resolve(ConfigKey<T> key, Object value) { |
| Object transformed = transform(key, value); |
| |
| Object result; |
| if (transformed instanceof DeferredSupplier) { |
| ExecutionContext exec = mgmt.getServerExecutionContext(); |
| try { |
| result = Tasks.resolveValue(transformed, key.getTypeToken(), exec); |
| } catch (ExecutionException | InterruptedException e) { |
| throw Exceptions.propagate(e); |
| } |
| } else { |
| result = transformed; |
| } |
| |
| return TypeCoercions.coerce(result, key.getTypeToken()); |
| } |
| |
| @Override |
| public boolean containsKey(String key) { |
| return delegate.containsKey(key); |
| } |
| |
| @Override |
| public boolean containsKey(ConfigKey<?> key) { |
| return delegate.containsKey(key); |
| } |
| |
| @Override |
| public boolean remove(String key) { |
| return delegate.remove(key); |
| } |
| |
| @Override |
| public boolean remove(ConfigKey<?> key) { |
| return delegate.remove(key); |
| } |
| |
| @Override |
| public Object getConfig(String key) { |
| Object raw = delegate.getConfig(key); |
| return resolve(ConfigKeys.newConfigKey(Object.class, key), raw); |
| } |
| |
| @Override |
| public <T> T getConfig(ConfigKey<T> key) { |
| T raw = delegate.getConfig(key); |
| return resolve(key, raw); |
| } |
| |
| @Override |
| public <T> T getConfig(HasConfigKey<T> key) { |
| T raw = delegate.getConfig(key); |
| return resolve(key.getConfigKey(), raw); |
| } |
| |
| @Override |
| public <T> T getConfig(HasConfigKey<T> key, T defaultValue) { |
| T raw = delegate.getConfig(key, defaultValue); |
| return resolve(key.getConfigKey(), raw); |
| } |
| |
| @Override |
| public <T> T getConfig(ConfigKey<T> key, T defaultValue) { |
| T raw = delegate.getConfig(key, defaultValue); |
| return resolve(key, raw); |
| } |
| |
| @Override |
| public Maybe<Object> getConfigRaw(ConfigKey<?> key) { |
| return getConfigRaw(key, true); |
| } |
| |
| @Override @Deprecated |
| public Maybe<Object> getConfigRaw(ConfigKey<?> key, boolean includeInherited) { |
| Maybe<Object> result = delegate.getConfigRaw(key, includeInherited); |
| return (result.isPresent()) ? Maybe.of(transform(key, result.get())) : Maybe.absent(); |
| } |
| |
| @Override |
| public Maybe<Object> getConfigLocalRaw(ConfigKey<?> key) { |
| return getConfigRaw(key, false); |
| } |
| |
| @Override |
| public Map<ConfigKey<?>,Object> getAllConfigLocalRaw() { |
| Map<ConfigKey<?>, Object> raw = delegate.getAllConfigLocalRaw(); |
| Map<ConfigKey<?>, Object> result = Maps.newLinkedHashMap(); |
| for (Map.Entry<ConfigKey<?>, Object> entry : raw.entrySet()) { |
| result.put(entry.getKey(), transform(entry.getKey(), entry.getValue())); |
| } |
| return result; |
| } |
| |
| @Override @Deprecated |
| public Map<ConfigKey<?>, Object> getAllConfig() { |
| return getAllConfigLocalRaw(); |
| } |
| |
| @Override |
| public Map<String, Object> asMapWithStringKeys() { |
| Map<ConfigKey<?>, Object> raw = delegate.getAllConfigLocalRaw(); |
| Map<String, Object> result = Maps.newLinkedHashMap(); |
| for (Map.Entry<ConfigKey<?>, Object> entry : raw.entrySet()) { |
| result.put(entry.getKey().getName(), transform(entry.getKey(), entry.getValue())); |
| } |
| return result; |
| } |
| |
| /** |
| * Discouraged; returns the String so if it is external config, it will be the |
| * {@code $brooklyn:external(...)} format. |
| */ |
| @Override |
| @SuppressWarnings("rawtypes") |
| @Deprecated |
| public String get(Map flags, String key) { |
| return delegate.get(flags, key); |
| } |
| |
| /** |
| * Discouraged; returns the String so if it is external config, it will be the |
| * {@code $brooklyn:external(...)} format. |
| */ |
| @Override |
| public String getFirst(String ...keys) { |
| return delegate.getFirst(keys); |
| } |
| |
| /** |
| * Discouraged; returns the String so if it is external config, it will be the |
| * {@code $brooklyn:external(...)} format. |
| */ |
| @Override |
| @SuppressWarnings("rawtypes") |
| public String getFirst(Map flags, String ...keys) { |
| return delegate.getFirst(flags, keys); |
| } |
| |
| @Override |
| public BrooklynProperties submap(Predicate<ConfigKey<?>> filter) { |
| BrooklynProperties submap = delegate.submap(filter); |
| return new DeferredBrooklynProperties(submap, mgmt); |
| } |
| |
| @Override |
| public BrooklynProperties submapByName(Predicate<? super String> filter) { |
| BrooklynProperties submap = delegate.submapByName(filter); |
| return new DeferredBrooklynProperties(submap, mgmt); |
| } |
| |
| @Override |
| public Set<ConfigKey<?>> findKeysDeclared(Predicate<? super ConfigKey<?>> filter) { |
| return delegate.findKeysDeclared(filter); |
| } |
| |
| @Override |
| public Set<ConfigKey<?>> findKeysPresent(Predicate<? super ConfigKey<?>> filter) { |
| return delegate.findKeysPresent(filter); |
| } |
| |
| @Override |
| public BrooklynProperties addEnvironmentVars() { |
| delegate.addEnvironmentVars(); |
| return this; |
| } |
| |
| @Override |
| public BrooklynProperties addSystemProperties() { |
| delegate.addSystemProperties(); |
| return this; |
| } |
| |
| @Override |
| public BrooklynProperties addFrom(ConfigBag cfg) { |
| delegate.addFrom(cfg); |
| return this; |
| } |
| |
| @Override |
| @SuppressWarnings("rawtypes") |
| public BrooklynProperties addFrom(Map map) { |
| delegate.addFrom(map); |
| return this; |
| } |
| |
| @Override |
| public BrooklynProperties addFrom(InputStream i) { |
| delegate.addFrom(i); |
| return this; |
| } |
| |
| @Override |
| public BrooklynProperties addFrom(File f) { |
| delegate.addFrom(f); |
| return this; |
| } |
| |
| @Override |
| public BrooklynProperties addFrom(URL u) { |
| delegate.addFrom(u); |
| return this; |
| } |
| |
| @Override |
| public BrooklynProperties addFromUrl(String url) { |
| delegate.addFromUrl(url); |
| return this; |
| } |
| |
| @Override |
| public BrooklynProperties addFromUrlProperty(String urlProperty) { |
| delegate.addFromUrlProperty(urlProperty); |
| return this; |
| } |
| |
| @Override |
| @SuppressWarnings("rawtypes") |
| public BrooklynProperties addFromMap(Map properties) { |
| delegate.addFromMap(properties); |
| return this; |
| } |
| |
| @Override |
| public boolean putIfAbsent(String key, Object value) { |
| return delegate.putIfAbsent(key, value); |
| } |
| |
| @Override |
| public String toString() { |
| return delegate.toString(); |
| } |
| |
| @Override |
| public Object put(Object key, Object value) { |
| return delegate.put(key, value); |
| } |
| |
| @Override |
| @SuppressWarnings("rawtypes") |
| public void putAll(Map vals) { |
| delegate.putAll(vals); |
| } |
| |
| @Override |
| public <T> Object put(HasConfigKey<T> key, T value) { |
| return delegate.put(key, value); |
| } |
| |
| @Override |
| public <T> Object put(ConfigKey<T> key, T value) { |
| return delegate.put(key, value); |
| } |
| |
| @Override |
| public <T> boolean putIfAbsent(ConfigKey<T> key, T value) { |
| return delegate.putIfAbsent(key, value); |
| } |
| |
| |
| ////////////////////////////////////////////////////////////////////////////////// |
| // Methods below from ConfigMap, which BrooklynProperties extends // |
| ////////////////////////////////////////////////////////////////////////////////// |
| |
| @Override |
| public int size() { |
| return delegate.size(); |
| } |
| |
| @Override |
| public boolean isEmpty() { |
| return delegate.isEmpty(); |
| } |
| |
| ////////////////////////////////////////////////////////////////////////////////// |
| // Methods below from Object // |
| ////////////////////////////////////////////////////////////////////////////////// |
| |
| @Override |
| public boolean equals(Object o) { |
| return delegate.equals(o); |
| } |
| |
| @Override |
| public int hashCode() { |
| return delegate.hashCode(); |
| } |
| |
| // put(Object, Object) already overridden |
| //@Override |
| //public Object put(Object key, Object value) { |
| |
| // putAll(Map) already overridden |
| //@Override |
| //public void putAll(Map m) { |
| } |