content: /*
   * Copyright (C) 2020 ActiveJ LLC.
   *
   * Licensed 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 io.activej.jmx;
  
  import io.activej.common.builder.AbstractBuilder;
  import io.activej.jmx.DynamicMBeanFactory.JmxCustomTypeAdapter;
  
  import java.lang.reflect.Type;
  import java.util.HashMap;
  import java.util.HashSet;
  import java.util.Map;
  import java.util.Set;
  
  import static io.activej.common.Checks.checkArgument;
  
  @SuppressWarnings("UnusedReturnValue")
  public final class JmxBeanSettings {
  	private final Set<String> includedOptionals = new HashSet<>();
  	private final Map<String, AttributeModifier<?>> modifiers = new HashMap<>();
  	private final Map<Type, JmxCustomTypeAdapter<?>> customTypes = new HashMap<>();
  
  	private JmxBeanSettings(Set<String> includedOptionals, Map<String, ? extends AttributeModifier<?>> modifiers, Map<Type, JmxCustomTypeAdapter<?>> customTypes) {
  		this.includedOptionals.addAll(includedOptionals);
  		this.modifiers.putAll(modifiers);
  		this.customTypes.putAll(customTypes);
  	}
  
  	public static JmxBeanSettings of(
  		Set<String> includedOptionals, Map<String, ? extends AttributeModifier<?>> modifiers,
  		Map<Type, JmxCustomTypeAdapter<?>> customTypes
  	) {
  		return new JmxBeanSettings(includedOptionals, modifiers, customTypes);
  	}
  
  	public static JmxBeanSettings create() {
  		return new JmxBeanSettings(Set.of(), Map.of(), Map.of());
  	}
  
  	public static Builder builder() {
  		return new JmxBeanSettings(new HashSet<>(), new HashMap<>(), new HashMap<>()).new Builder();
  	}
  
  	public final class Builder extends AbstractBuilder<Builder, JmxBeanSettings> {
  		private Builder() {}
  
  		public Builder withIncludedOptional(String attrName) {
  			checkNotBuilt(this);
  			includedOptionals.add(attrName);
  			return this;
  		}
  
  		public Builder withModifier(String attrName, AttributeModifier<?> modifier) {
  			checkNotBuilt(this);
  			checkArgument(!modifiers.containsKey(attrName), "cannot add two modifiers for one attribute");
  			modifiers.put(attrName, modifier);
  			return this;
  		}
  
  		public Builder withCustomTypes(Map<Type, JmxCustomTypeAdapter<?>> customTypes) {
  			checkNotBuilt(this);
  			JmxBeanSettings.this.customTypes.putAll(customTypes);
  			return this;
  		}
  
  		@Override
  		protected JmxBeanSettings doBuild() {
  			return JmxBeanSettings.this;
  		}
  	}
  
  	public void merge(JmxBeanSettings otherSettings) {
  		includedOptionals.addAll(otherSettings.includedOptionals);
  		modifiers.putAll(otherSettings.modifiers);
  		customTypes.putAll(otherSettings.customTypes);
  	}
  
  	public Set<String> getIncludedOptionals() {
  		return includedOptionals;
  	}
  
  	public Map<String, ? extends AttributeModifier<?>> getModifiers() {
  		return modifiers;
  	}
  
  	public Map<Type, JmxCustomTypeAdapter<?>> getCustomTypes() {
  		return customTypes;
  	}
  }
  