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/*
 * Copyright 2022-2024 the original author or authors.
 *
 * 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
 *
 *      https://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.instancio.settings;

import org.instancio.FilterPredicate;
import org.instancio.InstancioApi;
import org.instancio.TargetSelector;
import org.instancio.documentation.ExperimentalApi;
import org.instancio.feed.Feed;
import org.instancio.generator.AfterGenerate;
import org.instancio.internal.settings.InternalKey;
import org.instancio.internal.settings.RangeAdjuster;
import org.instancio.settings.SettingKey.SettingKeyBuilder;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import static org.instancio.internal.util.Constants.MAX_SIZE;
import static org.instancio.internal.util.Constants.MIN_SIZE;
import static org.instancio.internal.util.Constants.NUMERIC_MAX;
import static org.instancio.internal.util.Constants.NUMERIC_MIN;

/**
 * Defines all keys supported by Instancio.
 *
 * @see SettingKey
 * @see Settings
 * @since 1.1.10
 */
@SuppressWarnings("PMD.CouplingBetweenObjects")
public final class Keys {

    private static final RangeAdjuster MIN_ADJUSTER = RangeAdjuster.MIN_ADJUSTER;
    private static final RangeAdjuster MAX_ADJUSTER = RangeAdjuster.MAX_ADJUSTER;
    private static final List> ALL_KEYS = new ArrayList<>();

    /**
     * Specifies whether to assign values using fields or methods;
     * default is {@link AssignmentType#FIELD}; property name {@code assignment.type}.
     *
     * 

This setting does not apply to fields that are {@code final} and * {@code record} classes, since those cannot have setters. * * @see AssignmentType * @see #ON_SET_METHOD_ERROR * @see #ON_SET_METHOD_NOT_FOUND * @see #SETTER_EXCLUDE_MODIFIER * @see #SETTER_STYLE * @since 2.1.0 */ @ExperimentalApi public static final SettingKey ASSIGNMENT_TYPE = registerRequiredNonAdjustable( "assignment.type", AssignmentType.class, AssignmentType.FIELD); /** * Specifies the default value of the {@link AfterGenerate} hint * supplied from custom generators to the engine; * default is {@link AfterGenerate#POPULATE_NULLS_AND_DEFAULT_PRIMITIVES}; * property name {@code hint.after.generate}. * * @see AfterGenerate * @since 2.0.0 */ public static final SettingKey AFTER_GENERATE_HINT = registerRequiredNonAdjustable( "hint.after.generate", AfterGenerate.class, AfterGenerate.POPULATE_NULLS_AND_DEFAULT_PRIMITIVES); /** * Specifies whether a {@code null} can be generated for array elements; * default is {@code false}; property name {@code array.elements.nullable}. */ public static final SettingKey ARRAY_ELEMENTS_NULLABLE = registerRequiredNonAdjustable( "array.elements.nullable", Boolean.class, false); /** * Specifies minimum length for arrays; * default is 2; property name {@code array.min.length}. */ public static final SettingKey ARRAY_MIN_LENGTH = registerRequiredAdjustable( "array.min.length", Integer.class, MIN_SIZE, MIN_ADJUSTER, false); /** * Specifies maximum length for arrays; * default is 6; property name {@code array.max.length}. */ public static final SettingKey ARRAY_MAX_LENGTH = registerRequiredAdjustable( "array.max.length", Integer.class, MAX_SIZE, MAX_ADJUSTER, false); /** * Specifies whether a null can be generated for arrays; * default is {@code false}; property name {@code array.nullable}. */ public static final SettingKey ARRAY_NULLABLE = registerRequiredNonAdjustable( "array.nullable", Boolean.class, false); /** * Specifies whether values should be generated based on * Jakarta Bean Validation 3.0 * annotations, if present; * default is {@code false}; property name {@code bean.validation.api.enabled}. * * @see #BEAN_VALIDATION_TARGET * @since 2.7.0 */ @ExperimentalApi public static final SettingKey BEAN_VALIDATION_ENABLED = registerRequiredNonAdjustable( "bean.validation.enabled", Boolean.class, false); /** * Specifies whether Bean Validation annotations are declared on fields or getters; * default is {@link BeanValidationTarget#FIELD}; property name {@code bean.validation.target}. * * @see #BEAN_VALIDATION_ENABLED * @since 3.4.0 */ @ExperimentalApi public static final SettingKey BEAN_VALIDATION_TARGET = registerRequiredNonAdjustable( "bean.validation.target", BeanValidationTarget.class, BeanValidationTarget.FIELD); /** * Specifies the {@code scale} for generating {@code BigDecimal}; * default is {@code 2}; property name {@code bigdecimal.scale}. * * @since 3.3.0 */ @ExperimentalApi public static final SettingKey BIG_DECIMAL_SCALE = registerRequiredNonAdjustable( "bigdecimal.scale", Integer.class, 2); /** * Specifies whether a {@code null} can be generated for Boolean type; * default is {@code false}; property name {@code boolean.nullable}. */ public static final SettingKey BOOLEAN_NULLABLE = registerRequiredNonAdjustable( "boolean.nullable", Boolean.class, false); /** * Specifies minimum value for bytes; * default is 1; property name {@code byte.min}. */ public static final SettingKey BYTE_MIN = registerRequiredAdjustable( "byte.min", Byte.class, (byte) NUMERIC_MIN, MIN_ADJUSTER, true); /** * Specifies maximum value for bytes; * default is 127; property name {@code byte.max}. */ public static final SettingKey BYTE_MAX = registerRequiredAdjustable( "byte.max", Byte.class, (byte) 127, MAX_ADJUSTER, true); /** * Specifies whether a {@code null} can be generated for Byte type; * default is {@code false}; property name {@code byte.nullable}. */ public static final SettingKey BYTE_NULLABLE = registerRequiredNonAdjustable( "byte.nullable", Boolean.class, false); /** * Specifies whether a {@code null} can be generated for Character type; * default is {@code false}; property name {@code character.nullable}. */ public static final SettingKey CHARACTER_NULLABLE = registerRequiredNonAdjustable( "character.nullable", Boolean.class, false); /** * Specifies whether a {@code null} can be generated for collection elements; * default is {@code false}; property name {@code collection.elements.nullable}. */ public static final SettingKey COLLECTION_ELEMENTS_NULLABLE = registerRequiredNonAdjustable( "collection.elements.nullable", Boolean.class, false); /** * Specifies minimum size for collections; * default is 2; property name {@code collection.min.size}. */ public static final SettingKey COLLECTION_MIN_SIZE = registerRequiredAdjustable( "collection.min.size", Integer.class, MIN_SIZE, MIN_ADJUSTER, false); /** * Specifies maximum size for collections; * default is 6; property name {@code collection.max.size}. */ public static final SettingKey COLLECTION_MAX_SIZE = registerRequiredAdjustable( "collection.max.size", Integer.class, MAX_SIZE, MAX_ADJUSTER, false); /** * Specifies whether a {@code null} can be generated for collections; * default is {@code false}; property name {@code collection.nullable}. */ public static final SettingKey COLLECTION_NULLABLE = registerRequiredNonAdjustable( "collection.nullable", Boolean.class, false); /** * Specifies minimum value for doubles; * default is 1; property name {@code double.min}. */ public static final SettingKey DOUBLE_MIN = registerRequiredAdjustable( "double.min", Double.class, (double) NUMERIC_MIN, MIN_ADJUSTER, true); /** * Specifies maximum value for doubles; * default is 10000; property name {@code double.max}. */ public static final SettingKey DOUBLE_MAX = registerRequiredAdjustable( "double.max", Double.class, (double) NUMERIC_MAX, MAX_ADJUSTER, true); /** * Specifies whether a {@code null} can be generated for Double type; * default is {@code false}; property name {@code double.nullable}. */ public static final SettingKey DOUBLE_NULLABLE = registerRequiredNonAdjustable( "double.nullable", Boolean.class, false); /** * Specifies whether internal exceptions should be propagated up; * default is {@code false}; property name {@code fail.on.error}. * * @since 3.0.1 */ @ExperimentalApi public static final SettingKey FAIL_ON_ERROR = registerRequiredNonAdjustable( "fail.on.error", Boolean.class, false); /** * Specifies minimum value for floats; * default is 1; property name {@code float.min}. */ public static final SettingKey FLOAT_MIN = registerRequiredAdjustable( "float.min", Float.class, (float) NUMERIC_MIN, MIN_ADJUSTER, true); /** * Specifies maximum value for floats; * default is 10000; property name {@code float.max}. */ public static final SettingKey FLOAT_MAX = registerRequiredAdjustable( "float.max", Float.class, (float) NUMERIC_MAX, MAX_ADJUSTER, true); /** * Specifies whether a {@code null} can be generated for Float type; * default is {@code false}; property name {@code float.nullable}. */ public static final SettingKey FLOAT_NULLABLE = registerRequiredNonAdjustable( "float.nullable", Boolean.class, false); /** * Specifies the number of samples for the {@code @InstancioSource} * annotation from the {@code instancio-junit} module; * default is 100; property name {@code instancio.source.samples}. * * @since 5.0.0 */ @ExperimentalApi public static final SettingKey INSTANCIO_SOURCE_SAMPLES = registerRequiredNonAdjustable( "instancio.source.samples", Integer.class, 100); /** * Specifies minimum value for integers; * default is 1; property name {@code integer.min}. */ public static final SettingKey INTEGER_MIN = registerRequiredAdjustable( "integer.min", Integer.class, NUMERIC_MIN, MIN_ADJUSTER, true); /** * Specifies maximum value for integers; * default is 10000; property name {@code integer.max}. */ public static final SettingKey INTEGER_MAX = registerRequiredAdjustable( "integer.max", Integer.class, NUMERIC_MAX, MAX_ADJUSTER, true); /** * Specifies whether a {@code null} can be generated for Integer type; * default is {@code false}; property name {@code integer.nullable}. */ public static final SettingKey INTEGER_NULLABLE = registerRequiredNonAdjustable( "integer.nullable", Boolean.class, false); /** * Specifies whether values should be generated based on * JPA annotations, such as {@code @Column.length}; * default is {@code false}; property name {@code jpa.enabled}. * * @since 3.3.0 */ @ExperimentalApi public static final SettingKey JPA_ENABLED = registerRequiredNonAdjustable( "jpa.enabled", Boolean.class, false); /** * Specifies minimum value for longs; * default is 1; property name {@code long.min}. */ public static final SettingKey LONG_MIN = registerRequiredAdjustable( "long.min", Long.class, (long) NUMERIC_MIN, MIN_ADJUSTER, true); /** * Specifies maximum value for longs; * default is 10000; property name {@code long.max}. */ public static final SettingKey LONG_MAX = registerRequiredAdjustable( "long.max", Long.class, (long) NUMERIC_MAX, MAX_ADJUSTER, true); /** * Specifies whether a {@code null} can be generated for Long type; * default is {@code false}; property name {@code long.nullable}. */ public static final SettingKey LONG_NULLABLE = registerRequiredNonAdjustable( "long.nullable", Boolean.class, false); /** * Specifies whether a {@code null} can be generated for map keys; * default is {@code false}; property name {@code map.keys.nullable}. */ public static final SettingKey MAP_KEYS_NULLABLE = registerRequiredNonAdjustable( "map.keys.nullable", Boolean.class, false); /** * Specifies minimum size for maps; * default is 2; property name {@code map.min.size}. */ public static final SettingKey MAP_MIN_SIZE = registerRequiredAdjustable( "map.min.size", Integer.class, MIN_SIZE, MIN_ADJUSTER, false); /** * Specifies maximum size for maps; * default is 6; property name {@code map.max.size}. */ public static final SettingKey MAP_MAX_SIZE = registerRequiredAdjustable( "map.max.size", Integer.class, MAX_SIZE, MAX_ADJUSTER, false); /** * Specifies whether a {@code null} can be generated for maps; * default is {@code false}; property name {@code map.nullable}. */ public static final SettingKey MAP_NULLABLE = registerRequiredNonAdjustable( "map.nullable", Boolean.class, false); /** * Specifies whether a {@code null} can be generated for map values; * default is {@code false}; property name {@code map.values.nullable}. */ public static final SettingKey MAP_VALUES_NULLABLE = registerRequiredNonAdjustable( "map.values.nullable", Boolean.class, false); /** * Specifies the maximum depth of the generated object tree; * default is {@code 8}; property name {@code max.depth}. * * @since 2.7.0 */ public static final SettingKey MAX_DEPTH = registerRequiredNonAdjustable( "max.depth", Integer.class, 8); /** * The maximum number of attempts to generate an object for a given node; * default is {@code 1000}; property name {@code max.generation.attempts}. * *

This setting applicable to: * *

    *
  • {@link InstancioApi#filter(TargetSelector, FilterPredicate)} method
  • *
  • when generating values for hash-based collection
  • *
* * @since 5.0.0 */ @ExperimentalApi public static final SettingKey MAX_GENERATION_ATTEMPTS = registerRequiredNonAdjustable( "max.generation.attempts", Integer.class, 1000); /** * Specifies the mode: strict (unused selectors will trigger an exception) or lenient; * default is {@link Mode#STRICT}; property name {@code mode}. * * @see Mode * @since 1.3.3 */ public static final SettingKey MODE = registerRequiredNonAdjustable("mode", Mode.class, Mode.STRICT); /** * Specifies what should happen if an error occurs setting a field's value; * default is {@link OnSetFieldError#IGNORE}; property name {@code on.set.field.error}. * *

Warning: an error caused by assigning an incompatible type is * considered a user error and is never ignored, despite this setting. * * @see OnSetFieldError * @since 2.1.0 */ @ExperimentalApi public static final SettingKey ON_SET_FIELD_ERROR = registerRequiredNonAdjustable( "on.set.field.error", OnSetFieldError.class, OnSetFieldError.IGNORE); /** * Specifies what should happen if an error occurs invoking a setter; * default is {@link OnSetMethodError#ASSIGN_FIELD}; property name {@code on.set.method.error}. * * @see OnSetMethodError * @since 2.1.0 */ @ExperimentalApi public static final SettingKey ON_SET_METHOD_ERROR = registerRequiredNonAdjustable( "on.set.method.error", OnSetMethodError.class, OnSetMethodError.ASSIGN_FIELD); /** * Specifies what should happen if a setter method for a field cannot be resolved; * default is {@link OnSetMethodNotFound#ASSIGN_FIELD}; property name {@code on.set.method.not.found}. * *

Warning: {@link OnSetMethodNotFound#FAIL} is not applied to {@code final} fields * since a field declared as {@code final} cannot have a setter. * * @see OnSetMethodNotFound * @see #ON_SET_METHOD_UNMATCHED * @since 2.1.0 */ @ExperimentalApi public static final SettingKey ON_SET_METHOD_NOT_FOUND = registerRequiredNonAdjustable( "on.set.method.not.found", OnSetMethodNotFound.class, OnSetMethodNotFound.ASSIGN_FIELD); /** * Specifies what should happen if a setter without a matching field is encountered; * default is {@link OnSetMethodUnmatched#IGNORE}; property name {@code on.set.method.unmatched}. * *

This setting is only applicable if {@link #ASSIGNMENT_TYPE} * is set to {@link AssignmentType#METHOD}. * *

The matching of fields and setter methods is based on the configured * {@link #SETTER_STYLE} setting. * * @see OnSetMethodUnmatched * @see #ASSIGNMENT_TYPE * @see #ON_SET_METHOD_NOT_FOUND * @see #SETTER_STYLE * @since 4.0.0 */ @ExperimentalApi public static final SettingKey ON_SET_METHOD_UNMATCHED = registerRequiredNonAdjustable( "on.set.method.unmatched", OnSetMethodUnmatched.class, OnSetMethodUnmatched.IGNORE); /** * Specifies whether initialised fields can be overwritten by the engine to random values; * default is {@code true}; property name {@code overwrite.existing.values}. * *

If this setting is set to {@code false}, then initialised values * will not be overwritten by the engine, but they can still be * overwritten via the API using a selector. * *

Below are a few examples based on the following class: * *

{@code
     * class Foo {
     *     String value = "initial";
     * }
     * }
*
* *

Example 1: initialised value is overwritten with a random value * because by default {@code OVERWRITE_EXISTING_VALUES} is {@code true}. * *

{@code
     * // Sample output: Foo[value=VEQHJ]
     * Foo foo = Instancio.create(Foo.class);
     * }
*
* *

Example 2: initialised value is preserved when * {@code OVERWRITE_EXISTING_VALUES} is {@code false}. * *

{@code
     * // Output: Foo[value=initial]
     * Foo foo = Instancio.of(Foo.class)
     *     .set(Keys.OVERWRITE_EXISTING_VALUES, false)
     *     .create();
     * }
*
* *

Example 3: initialised value can be overwritten using a selector * regardless of the {@code OVERWRITE_EXISTING_VALUES} setting. * *

{@code
     * // Output: Foo[value=Hello]
     * Foo foo = Instancio.of(Foo.class)
     *     .set(Keys.OVERWRITE_EXISTING_VALUES, false)
     *     .set(field(Foo::getValue), "Hello")
     *     .create();
     * }
* * @since 2.0.0 */ public static final SettingKey OVERWRITE_EXISTING_VALUES = registerRequiredNonAdjustable( "overwrite.existing.values", Boolean.class, true); /** * Specifies whether {@link Feed} data is retrieved sequentially or randomly; * default is {@link FeedDataAccess#SEQUENTIAL}; property name {@code feed.data.access}. * * @see FeedDataAccess * @see #FEED_DATA_END_ACTION * @since 5.0.0 */ @ExperimentalApi public static final SettingKey FEED_DATA_ACCESS = registerRequiredNonAdjustable( "feed.data.access", FeedDataAccess.class, FeedDataAccess.SEQUENTIAL); /** * Specifies the behaviour when {@link Feed} end of data has been reached * (only applicable if {@link #FEED_DATA_ACCESS} is set to {@link FeedDataAccess#SEQUENTIAL}); * default is {@link FeedDataEndAction#FAIL}; property name {@code feed.data.end.action}. * * @see FeedDataEndAction * @see #FEED_DATA_ACCESS * @since 5.0.0 */ @ExperimentalApi public static final SettingKey FEED_DATA_END_ACTION = registerRequiredNonAdjustable( "feed.data.end.action", FeedDataEndAction.class, FeedDataEndAction.FAIL); /** * Specifies the trimming mode for feed data; * default is {@link FeedDataTrim#UNQUOTED}; property name {@code feed.data.trim}. * * @see FeedDataTrim * @since 5.0.0 */ @ExperimentalApi public static final SettingKey FEED_DATA_TRIM = registerRequiredNonAdjustable( "feed.data.trim", FeedDataTrim.class, FeedDataTrim.UNQUOTED); /** * Specifies the feed format type; * default is {@link FeedFormatType#CSV}; property name {@code feed.format.type}. * * @see FeedFormatType * @since 5.0.0 */ @ExperimentalApi public static final SettingKey FEED_FORMAT_TYPE = registerRequiredNonAdjustable( "feed.format.type", FeedFormatType.class, FeedFormatType.CSV); /** * Specifies the tag key for a {@link Feed}; * default is {@code null}; property name {@code feed.tag.key}. * * @see #FEED_TAG_VALUE * @since 5.0.0 */ @ExperimentalApi public static final SettingKey FEED_TAG_KEY = register( "feed.tag.key", String.class, null, null, true, false); /** * Specifies the default tag value for a {@link Feed}; * default is {@code null} (includes all tags); property name {@code feed.tag.value}. * * @see #FEED_TAG_KEY * @since 5.0.0 */ @ExperimentalApi public static final SettingKey FEED_TAG_VALUE = register( "feed.tag.value", String.class, null, null, true, false); /** * Specifies the seed value; * default is {@code null}; property name {@code seed}. * * @since 1.5.1 */ public static final SettingKey SEED = register( "seed", Long.class, null, null, true, true); /** * Specifies whether back references should be set for cyclic classes; * default is {@code false} (cycles are terminated with {@code null}); * property name {@code set.back.references}. * *

For example, given the following classes: *

{@code
     * class Order {
     *     List items;
     * }
     * class OrderItem {
     *     Order order;
     * }
     * }
* *

If {@code SET_BACK_REFERENCES} is disabled, * creating an instance of {@code Order} would result in the * {@code OrderItem.order} field being {@code null}: * *

{@code
     * Order order = Instancio.create(Order.class);
     *
     * assertThat(order.getItems()).allSatisfy(item ->
     *     assertThat(item.getOrder()).isNull()
     * );
     * }
* *

If {@code SET_BACK_REFERENCES} is enabled, * creating an instance of {@code Order} would result in the * {@code OrderItem.order} field being set to the parent order: * *

{@code
     * Settings settings = Settings.create().set(Keys.SET_BACK_REFERENCES, true);
     * Order order = Instancio.of(Order.class)
     *     .withSettings(settings)
     *     .create();
     *
     * assertThat(order.getItems()).allSatisfy(item ->
     *     assertThat(item.getOrder()).isSameAs(order)
     * );
     * }
* * @since 3.0.0 */ @ExperimentalApi public static final SettingKey SET_BACK_REFERENCES = registerRequiredNonAdjustable( "set.back.references", Boolean.class, false); /** * Specifies modifier exclusions for setter-methods; * default is {@code 0} (no exclusions); * property name {@code setter.exclude.modifier}. * *

This setting can be used to control which setter methods are allowed * to be invoked (based on method modifiers) when {@link #ASSIGNMENT_TYPE} * is set to {@link AssignmentType#METHOD}). For instance, using this * setting, it is possible to restrict method assignment to {@code public} * setters only (by default, a setter is invoked even if it is {@code private}). * *

Multiple modifiers can be specified using logical {@code OR} * operator. For example, the following allows only {@code public} methods: * *

{@code
     *   int exclusions = MethodModifier.PACKAGE_PRIVATE
     *                  | MethodModifier.PROTECTED
     *                  | MethodModifier.PRIVATE;
     *
     *   Settings.create().set(Keys.SETTER_EXCLUDE_MODIFIER, exclusions);
     * }
* * @see #ASSIGNMENT_TYPE * @see MethodModifier * @since 2.16.0 */ @ExperimentalApi public static final SettingKey SETTER_EXCLUDE_MODIFIER = registerRequiredNonAdjustable( "setter.exclude.modifier", Integer.class, 0); /** * Indicates the naming convention of setter methods to use; * default is {@link SetterStyle#SET}; property name {@code setter.style}. * * @see SetterStyle * @since 2.1.0 */ @ExperimentalApi public static final SettingKey SETTER_STYLE = registerRequiredNonAdjustable( "setter.style", SetterStyle.class, SetterStyle.SET); /** * Specifies minimum value for shorts; * default is 1; property name {@code short.min}. */ public static final SettingKey SHORT_MIN = registerRequiredAdjustable( "short.min", Short.class, (short) 1, MIN_ADJUSTER, true); /** * Specifies maximum value for shorts; * default is 10000; property name {@code short.max}. */ public static final SettingKey SHORT_MAX = registerRequiredAdjustable( "short.max", Short.class, (short) NUMERIC_MAX, MAX_ADJUSTER, true); /** * Specifies whether a {@code null} can be generated for Short type; * default is {@code false}; property name {@code short.nullable}. */ public static final SettingKey SHORT_NULLABLE = registerRequiredNonAdjustable( "short.nullable", Boolean.class, false); /** * Specifies whether an empty string can be generated; * default is {@code false}; property name {@code string.allow.empty}. */ public static final SettingKey STRING_ALLOW_EMPTY = registerRequiredNonAdjustable( "string.allow.empty", Boolean.class, false); /** * Specifies whether generated Strings should be prefixed with field names; * default is {@code false}; property name {@code string.field.prefix.enabled}. * * @since 2.4.0 */ public static final SettingKey STRING_FIELD_PREFIX_ENABLED = registerRequiredNonAdjustable( "string.field.prefix.enabled", Boolean.class, false); /** * Specifies minimum length of strings; * default is 3; property name {@code string.min.length}. */ public static final SettingKey STRING_MIN_LENGTH = registerRequiredAdjustable( "string.min.length", Integer.class, 3, MIN_ADJUSTER, false); /** * Specifies maximum length of strings; * default is 10; property name {@code string.max.length}. */ public static final SettingKey STRING_MAX_LENGTH = registerRequiredAdjustable( "string.max.length", Integer.class, 10, MAX_ADJUSTER, false); /** * Specifies whether a {@code null} can be generated for String type; * default is {@code false}; property name {@code string.nullable}. */ public static final SettingKey STRING_NULLABLE = registerRequiredNonAdjustable( "string.nullable", Boolean.class, false); /** * Specifies the case of generated strings; * default is {@link StringCase#UPPER}; property name {@code string.case}. * * @since 4.8.0 */ @ExperimentalApi public static final SettingKey STRING_CASE = registerRequiredNonAdjustable( "string.case", StringCase.class, StringCase.UPPER); /** * Specifies the String type to generate; * default is {@link StringType#ALPHABETIC}; property name {@code string.type}. * * @since 4.7.0 */ @ExperimentalApi public static final SettingKey STRING_TYPE = registerRequiredNonAdjustable( "string.type", StringType.class, StringType.ALPHABETIC); // Note: keys must be collected after all keys have been initialised private static final Map> SETTING_KEY_MAP = Collections.unmodifiableMap(settingKeyMap()); private static Map> settingKeyMap() { final Map> map = new HashMap<>(); for (SettingKey key : ALL_KEYS) { map.put(key.propertyKey(), key); } return map; } /** * Returns all keys supported by Instancio. * * @return all keys */ public static List> all() { return Collections.unmodifiableList(ALL_KEYS); } /** * Returns a {@link SettingKey} instance with the given property key. * * @param key to lookup * @return the setting key, or {@code null} if none found */ @SuppressWarnings("unchecked") public static SettingKey get(@NotNull final String key) { return (SettingKey) SETTING_KEY_MAP.get(key); } /** * A builder for creating custom setting keys. * *

When defining custom keys, specifying * {@link SettingKeyBuilder#withPropertyKey(String)} is optional since * not all settings will be defined in a properties file. * If {@code withPropertyKey()} is not specified, then a random * property key will be assigned. * * @param type of the value the key is associated with, not {@code null} * @param the value type * @return key builder * @since 2.12.0 */ @ExperimentalApi public static SettingKeyBuilder ofType(final Class type) { return InternalKey.builder(type); } private static SettingKey register( @NotNull final String propertyKey, @NotNull final Class type, @Nullable final Object defaultValue, @Nullable final RangeAdjuster rangeAdjuster, final boolean allowsNullValue, final boolean allowsNegative) { final SettingKey settingKey = new InternalKey<>( propertyKey, type, defaultValue, rangeAdjuster, allowsNullValue, allowsNegative); ALL_KEYS.add((SettingKey) settingKey); return settingKey; } private static SettingKey registerRequiredAdjustable( @NotNull final String propertyKey, @NotNull final Class type, @Nullable final Object defaultValue, @Nullable final RangeAdjuster rangeAdjuster, final boolean allowsNegative) { return register(propertyKey, type, defaultValue, rangeAdjuster, false, allowsNegative); } private static SettingKey registerRequiredNonAdjustable( @NotNull final String key, @NotNull final Class type, @NotNull final Object defaultValue) { return register(key, type, defaultValue, null, false, false); } private Keys() { // non-instantiable } }