## A "callable" instance { #a-callable-instance }

In Python there's a way to make an instance of a class a "callable".

Not the class itself (which is already a callable), but an instance of that class.

To do that, we declare a method `__call__`:

{* ../../docs_src/dependencies/tutorial011_an_py39.py hl[12] *}

### Consistency Guarantees

Since HTTP requests frequently happen in parallel, connection pooling must be thread-safe.

These are the primary classes involved with establishing, sharing, and terminating connections:

    - tutorial/path-operation-configuration.md
    - tutorial/encoder.md
    - tutorial/body-updates.md
    - Dependencies:
      - tutorial/dependencies/index.md
      - tutorial/dependencies/classes-as-dependencies.md
      - tutorial/dependencies/sub-dependencies.md
      - tutorial/dependencies/dependencies-in-path-operation-decorators.md
      - tutorial/dependencies/global-dependencies.md

  <defaults>
    <default>
      <key>package</key>
      <value>org.apache.maven.settings</value>
    </default>
  </defaults>
  <classes>
    <class java.clone="deep">
      <name>TrackableBase</name>
      <version>1.0.0+</version>
      <description>
        Common base class that contains code to track the source for this instance.
      </description>
      <codeSegments>
        <codeSegment>

          return classify(Integer.compare(left, right));
        }

        @Override
        public ComparisonChain compare(long left, long right) {
          return classify(Long.compare(left, right));
        }

        @Override
        public ComparisonChain compare(float left, float right) {
          return classify(Float.compare(left, right));
        }

# Object classes for LDAP admin user.
ldap.admin.user.object.classes=organizationalPerson,top,person,inetOrgPerson
# Role filter for LDAP admin.
ldap.admin.role.filter=cn\=%s
# Base DN for LDAP admin role.
ldap.admin.role.base.dn=ou\=Role,dc\=fess,dc\=codelibs,dc\=org
# Object classes for LDAP admin role.
ldap.admin.role.object.classes=groupOfNames
# Group filter for LDAP admin.

      return arbitrary;
    }
    if (type.getRawType() == Class.class) {
      // If parameter is Class<? extends Foo>, we return Foo.class
      @SuppressWarnings("unchecked")
      T defaultClass = (T) getFirstTypeParameter(type.getType()).getRawType();
      return defaultClass;
    }
    if (type.getRawType() == TypeToken.class) {
      // If parameter is TypeToken<? extends Foo>, we return TypeToken<Foo>.

    assertEquals("abc.d.Abc", ClassPath.getClassName("abc/d/Abc.class"));
  }

  public void testResourceInfo_of() {
    assertThat(resourceInfo(ClassPathTest.class)).isInstanceOf(ClassInfo.class);
    assertThat(resourceInfo(ClassPath.class)).isInstanceOf(ClassInfo.class);
    assertThat(resourceInfo(Nested.class)).isInstanceOf(ClassInfo.class);
  }

  public void testGetSimpleName() {

          </association>
        </field>
      </fields>
    </class>
    <class>
      <name>PluginManagement</name>
      <version>4.0.0+</version>
      <superClass>PluginContainer</superClass>
      <description>Section for management of default plugin information for use in a group of POMs.
      </description>
    </class>
    <class>
      <name>Reporting</name>
      <version>4.0.0+</version>