kotlin.properties.Interfaces.kt Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of kotlin-js-library Show documentation

There is a newer version: 1.0.7

package kotlin.properties


/**
 * Base interface that can be used for implementing property delegates of read-only properties.
 *
 * This is provided only for convenience; you don't have to extend this interface
 * as long as your property delegate has methods with the same signatures.
 *
 * @param R the type of object which owns the delegated property.
 * @param T the type of the property value.
 */
public interface ReadOnlyProperty {
    /**
     * Returns the value of the property for the given object.
     * @param thisRef the object for which the value is requested.
     * @param property the metadata for the property.
     * @return the property value.
     */
    public fun get(thisRef: R, property: PropertyMetadata): T
}

/**
 * Base interface that can be used for implementing property delegates of read-write properties.
 *
 * This is provided only for convenience; you don't have to extend this interface
 * as long as your property delegate has methods with the same signatures.
 *
 * @param R the type of object which owns the delegated property.
 * @param T the type of the property value.
 */
public interface ReadWriteProperty {
    /**
     * Returns the value of the property for the given object.
     * @param thisRef the object for which the value is requested.
     * @param property the metadata for the property.
     * @return the property value.
     */
    public fun get(thisRef: R, property: PropertyMetadata): T

    /**
     * Sets the value of the property for the given object.
     * @param thisRef the object for which the value is requested.
     * @param property the metadata for the property.
     * @param value the value to set.
     */
    public fun set(thisRef: R, property: PropertyMetadata, value: T)
}