001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *   http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing,
013 * software distributed under the License is distributed on an
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 * KIND, either express or implied.  See the License for the
016 * specific language governing permissions and limitations
017 * under the License.
018 */
019package org.apache.reef.tang.implementation;
020
021import org.apache.reef.tang.ClassHierarchy;
022import org.apache.reef.tang.Configuration;
023import org.apache.reef.tang.ConfigurationBuilder;
024import org.apache.reef.tang.ExternalConstructor;
025import org.apache.reef.tang.types.ClassNode;
026import org.apache.reef.tang.types.ConstructorDef;
027import org.apache.reef.tang.types.NamedParameterNode;
028
029import java.util.List;
030import java.util.Set;
031
032public class ConfigurationImpl implements Configuration {
033  private final ConfigurationBuilderImpl builder;
034
035  protected ConfigurationImpl(final ConfigurationBuilderImpl builder) {
036    this.builder = builder;
037  }
038
039  @Override
040  public String getNamedParameter(final NamedParameterNode<?> np) {
041    return builder.namedParameters.get(np);
042  }
043
044  @Override
045  @SuppressWarnings("unchecked")
046  public <T> ClassNode<ExternalConstructor<T>> getBoundConstructor(
047      final ClassNode<T> cn) {
048    return (ClassNode<ExternalConstructor<T>>) builder.boundConstructors.get(cn);
049  }
050
051  @Override
052  public Set<ClassNode<?>> getBoundImplementations() {
053    return builder.boundImpls.keySet();
054  }
055
056  @Override
057  public Set<ClassNode<?>> getBoundConstructors() {
058    return builder.boundConstructors.keySet();
059  }
060
061  @Override
062  public Set<NamedParameterNode<?>> getNamedParameters() {
063    return builder.namedParameters.keySet();
064  }
065
066  @Override
067  public Set<ClassNode<?>> getLegacyConstructors() {
068    return builder.legacyConstructors.keySet();
069  }
070
071  @Override
072  @SuppressWarnings("unchecked")
073  public <T> ClassNode<T> getBoundImplementation(final ClassNode<T> cn) {
074    return (ClassNode<T>) builder.boundImpls.get(cn);
075  }
076
077  @Override
078  @SuppressWarnings("unchecked")
079  public <T> ConstructorDef<T> getLegacyConstructor(final ClassNode<T> cn) {
080    return (ConstructorDef<T>) builder.legacyConstructors.get(cn);
081  }
082
083  @Override
084  public ConfigurationBuilder newBuilder() {
085    return builder.build().builder;
086  }
087
088  @Override
089  public ClassHierarchy getClassHierarchy() {
090    return builder.getClassHierarchy();
091  }
092
093  @Override
094  public Set<Object> getBoundSet(final NamedParameterNode<Set<?>> np) {
095    return this.builder.boundSetEntries.getValuesForKey(np);
096  }
097
098  @Override
099  public List<Object> getBoundList(final NamedParameterNode<List<?>> np) {
100    return this.builder.boundLists.get(np);
101  }
102
103  @Override
104  public Set<NamedParameterNode<Set<?>>> getBoundSets() {
105    return builder.boundSetEntries.keySet();
106  }
107
108  @Override
109  public Set<NamedParameterNode<List<?>>> getBoundLists() {
110    return builder.boundLists.keySet();
111  }
112
113  @Override
114  public boolean equals(final Object o) {
115    if (this == o) {
116      return true;
117    }
118    if (o == null || getClass() != o.getClass()) {
119      return false;
120    }
121
122    final ConfigurationImpl that = (ConfigurationImpl) o;
123
124    if (builder != null ? !builder.equals(that.builder) : that.builder != null) {
125      return false;
126    }
127
128    return true;
129  }
130
131  @Override
132  public int hashCode() {
133    return builder != null ? builder.hashCode() : 0;
134  }
135
136  public ConfigurationBuilderImpl getBuilder() {
137    return builder;
138  }
139}