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package com.fasterxml.jackson.annotation;

/**
 * Enumeration used to define kinds of elements (called "property accessors")
 * that annotations like {@link JsonAutoDetect} apply to.
 *
 * In addition to method types (GETTER/IS_GETTER, SETTER, CREATOR) and the
 * field type (FIELD), 2 pseudo-types
 * are defined for convenience: ALWAYS and NONE. These
 * can be used to indicate, all or none of available method types (respectively),
 * for use by annotations that takes JsonMethod argument.
 */
public enum PropertyAccessor
{
    /**
     * Getters are methods used to get a POJO field value for serialization,
     * or, under certain conditions also for de-serialization. Latter
     * can be used for effectively setting Collection or Map values
     * in absence of setters, if returned value is not a copy but
     * actual value of the logical property.
     *
     * Since version 1.3, this does NOT include "is getters" (methods
     * that return boolean and named 'isXxx' for property 'xxx'); instead,
     * {@link #IS_GETTER} is used.
     */
    GETTER,

    /**
     * Setters are methods used to set a POJO value for deserialization.
     */
    SETTER,

    /**
     * Creators are constructors and (static) factory methods used to
     * construct POJO instances for deserialization
     */
    CREATOR,

    /**
     * Field refers to fields of regular Java objects. Although
     * they are not really methods, addition of optional field-discovery
     * in version 1.1 meant that there was need to enable/disable
     * their auto-detection, and this is the place to add it in.
     */
    FIELD,

    /**
     * "Is getters" are getter-like methods that are named "isXxx"
     * (instead of "getXxx" for getters) and return boolean value
     * (either primitive, or {@link java.lang.Boolean}).
     *
     */
    IS_GETTER,

    /**
     * This pseudo-type indicates that none of accessors if affected.
     */
    NONE,

    /**
     * This pseudo-type indicates that all accessors are affected.
     */
    ALL
    ;

    public boolean creatorEnabled() {
        return (this == CREATOR) || (this == ALL);
    }

    public boolean getterEnabled() {
        return (this == GETTER) || (this == ALL);
    }

    public boolean isGetterEnabled() {
        return (this == IS_GETTER) || (this == ALL);
    }

    public boolean setterEnabled() {
        return (this == SETTER) || (this == ALL);
    }

    public boolean fieldEnabled() {
        return (this == FIELD) || (this == ALL);
    }
}