com.google.common.collect.ForwardingSetMultimap的实例源码

项目：FreeBuilder    文件：CheckedSetMultimap.java   

@Override
public void addTo(SourceBuilder code) {
  ParameterizedType biConsumer = code.feature(FUNCTION_PACKAGE).biConsumer().get();
  code.addLine("")
      .addLine("/**")
      .addLine(" * A multimap implementation that delegates to a provided put method")
      .addLine(" * to perform entry validation and insertion into a backing multimap.")
      .addLine(" */")
      .addLine("private static class %s<K,V> extends %s<K,V> {",TYPE,ForwardingSetMultimap.class)
      .addLine("")
      .addLine("  private final %s<K,V> multimap;",SetMultimap.class)
      .addLine("  private final %s<K,V> put;",biConsumer.getQualifiedname())
      .addLine("")
      .addLine("  %s(%s<K,V> multimap,%s<K,V> put) {",SetMultimap.class,biConsumer.getQualifiedname())
      .addLine("    this.multimap = multimap;")
      .addLine("    this.put = put;")
      .addLine("  }")
      .addLine("")
      .addLine("  @Override protected %s<K,V> delegate() {",SetMultimap.class)
      .addLine("    return multimap;")
      .addLine("  }")
      .addLine("")
      .addLine("  @Override public boolean put(@%1$s K key,@%1$s V value) {",Nullable.class)
      .addLine("    put.accept(key,value);")
      .addLine("    return true;")
      .addLine("  }")
      .addLine("")
      .addLine("  @Override public boolean putAll(@%s K key,%s<? extends V> values) {",Nullable.class,Iterable.class)
      .addLine("    boolean anyModified = false;")
      .addLine("    for (V value : values) {")
      .addLine("      put.accept(key,value);")
      .addLine("      anyModified = true;")
      .addLine("    }")
      .addLine("    return anyModified;")
      .addLine("  }")
      .addLine("")
      .addLine("  @Override public boolean putAll(%s<? extends K,? extends V> multimap) {",Multimap.class)
      .addLine("    boolean anyModified = false;")
      .addLine("    for (%s<? extends K,? extends V> entry : multimap.entries()) {",Map.Entry.class)
      .addLine("      put.accept(entry.getKey(),entry.getValue());")
      .addLine("      anyModified = true;")
      .addLine("    }")
      .addLine("    return anyModified;")
      .addLine("  }")
      .addLine("")
      .addLine("  @Override")
      .addLine("  public %s<V> replaceValues(@%s K key,Set.class,Iterable.class)
      .addLine("    %s.checkNotNull(values);",Preconditions.class)
      .addLine("    %s<V> result = removeAll(key);",Set.class)
      .addLine("    putAll(key,values);")
      .addLine("    return result;")
      .addLine("  }")
      .addLine("")
      .addLine("  @Override public %s<V> get(@%s K key) {",Nullable.class)
      .addLine("    return new %s<>(",CheckedSet.TYPE)
      .addLine("        multimap.get(key),value -> put.accept(key,value));")
      .addLine("  }")
      .addLine("")
      .addLine("  @Override public %s<K,%s<V>> asMap() {",Map.class,Collection.class)
      .addLine("    return %s.transformEntries(%s.asMap(multimap),(key,values) -> ",Maps.class,Multimaps.class)
      .addLine("        (%s<V>) new %s<>(",Collection.class,CheckedSet.TYPE)
      .addLine("            values,value)));")
      .addLine("  }")
      .addLine("}");
}