T[] result = newArray(arrayOfType, to - from);
    System.arraycopy(source, from, result, 0, to - from);
    return result;
  }

  // TODO(user): Move this logic to a utility class.
  @JsType(isNative = true, name = "Array", namespace = JsPackage.GLOBAL)
  private interface NativeArray {
    @JsProperty
    void setLength(int length);
  }

  static MapMaker tryWeakKeys(MapMaker mapMaker) {

func (target *NSQTarget) Store() event.TargetStore {
	return target.store
}

// IsActive - Return true if target is up and active
func (target *NSQTarget) IsActive() (bool, error) {
	if err := target.init(); err != nil {
		return false, err
	}
	return target.isActive()
}

func (target *NSQTarget) isActive() (bool, error) {
	if target.producer == nil {

                    queryAddress.nodeType = ownerNodeType;
                    queryAddress.isBeingDeleted = isBeingDeleted;
                    queryAddress.isInConflict = isInConflict;
                    queryAddress.isActive = isActive;
                    queryAddress.isPermanent = isPermanent;
                    queryAddress.macAddress = macAddress;
                    queryAddress.isDataFromNodeStatus = true;
                    addrFound = true;

func (target *MQTTTarget) Store() event.TargetStore {
	return target.store
}

// IsActive - Return true if target is up and active
func (target *MQTTTarget) IsActive() (bool, error) {
	if err := target.init(); err != nil {
		return false, err
	}
	return target.isActive()
}

func (target *MQTTTarget) isActive() (bool, error) {
	if !target.client.IsConnectionOpen() {
		return false, store.ErrNotConnected
	}

    }

    private boolean isActive(Profile profile, ProfileActivationContext context, ModelProblemCollector problems) {
        boolean isActive = false;
        for (ProfileActivator activator : activators) {
            if (activator.presentInConfig(profile, context, problems)) {
                isActive = true;
                try {
                    if (!activator.isActive(profile, context, problems)) {

                this.queryAddress.nodeType = ownerNodeType;
                this.queryAddress.isBeingDeleted = isBeingDeleted;
                this.queryAddress.isInConflict = isInConflict;
                this.queryAddress.isActive = isActive;
                this.queryAddress.isPermanent = isPermanent;
                this.queryAddress.macAddress = this.macAddress;
                this.queryAddress.isDataFromNodeStatus = true;

import peewee

from .database import db


class User(peewee.Model):
    email = peewee.CharField(unique=True, index=True)
    hashed_password = peewee.CharField()
    is_active = peewee.BooleanField(default=True)

    class Meta:
        database = db


class Item(peewee.Model):
    title = peewee.CharField(index=True)
    description = peewee.CharField(index=True)
    owner = peewee.ForeignKeyField(User, backref="items")

func (target *WebhookTarget) Name() string {
	return target.ID().String()
}

// IsActive - Return true if target is up and active
func (target *WebhookTarget) IsActive() (bool, error) {
	if err := target.init(); err != nil {
		return false, err
	}
	return target.isActive()
}

// Store returns any underlying store if set.
func (target *WebhookTarget) Store() event.TargetStore {

func (target *RedisTarget) Store() event.TargetStore {
	return target.store
}

// IsActive - Return true if target is up and active
func (target *RedisTarget) IsActive() (bool, error) {
	if err := target.init(); err != nil {
		return false, err
	}
	return target.isActive()
}

func (target *RedisTarget) isActive() (bool, error) {
	conn := target.pool.Get()
	defer conn.Close()

}

// ID - returns target ID.
func (target *WebhookTarget) ID() event.TargetID {
	return target.id
}

// IsActive - Return true if target is up and active
func (target *WebhookTarget) IsActive() (bool, error) {
	if err := target.init(); err != nil {
		return false, err
	}
	return target.isActive()
}

// errNotConnected - indicates that the target connection is not active.