Package com.microstrategy.utils

Class HashList<K,​V>

  • All Implemented Interfaces:
    java.io.Serializable, java.lang.Cloneable
    public class HashList<K,​V>
extends java.lang.Object
implements java.lang.Cloneable, java.io.Serializable
    The HashList class allows the user to add, remove and examine the s in a given collection. The s can be access either by the index or by the key in the collection. This collection can also be used as read only.
    Since:
    MicroStrategy Web 7.3.1 or earlier
    See Also:
    Serialized Form

    • Constructor Summary

      Constructors 
      Constructor Description
      HashList()
      Constructs a new, empty Collection with a default read-only value of false.
      HashList​(int initialCapacity)  

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods Deprecated Methods 
      Modifier and Type Method Description
      void add​(K key, V newItem)
      Adds the , with the specified key, into the collection.
      void clear()
      Clears all items from the collection.
      java.lang.Object clone()  
      boolean containsKey​(K key)
      Returns true if the key is already in the collection, false otherwise.
      boolean containsValue​(V value)
      Returns true if this collection maps one or more keys to the specified value.
      java.util.Enumeration<V> elements()
      Return the enumeration of the items inside this list.
      V get​(int index)
      Gets the contained in the specified index of the collection.
      V get​(K key)
      Returns the contained with the specified key in the collection.
      java.util.HashMap<K,​V> getItemSet()
      Deprecated.
      replaced by items()
      K getKey​(int index)
      Gets the key of the item contained in the specified index of the collection.
      static <K,​V>
      K      		 getKey​(java.util.LinkedHashMap<K,​V> map, int index)
      Get the key of a LinkedHashMap by index.
      java.util.ArrayList<K> getKeyList()
      Deprecated.
      replaced by keys()
      int indexOf​(K key)
      Returns the index of the given key.
      boolean isEmpty()
      Returns true if the collection is empyt, false otherwise.
      java.util.Map<K,​V> items()
      Returns an unmodifiable Map of the items.
      java.util.List<K> keys()
      Returns an unmodifiable List of the keys.
      void put​(K key, V newItem)
      Adds or replaces the , with the specified key, into the collection.
      void putAll​(HashList<K,​V> list)
      Adds all the s in the HashList in the same order defined in it.
      void putAll​(java.util.Map<K,​V> m)
      Adds all the s in the map to the collection
      V remove​(int index)
      Removes the contained in the specified index of the collection.
      V remove​(K key)
      Removes the contained with the specified key in the collection.
      V replace​(K key, V newItem)
      Replace the current item associated with the given key.
      void setItemSet​(java.util.HashMap<K,​V> newValue)
      Deprecated.
      dangerous method pending removal
      void setKeyList​(java.util.ArrayList<K> newValue)
      Deprecated.
      dangerous method pending removal
      int size()
      Returns the current size of the collection.
      void sort​(java.util.Comparator<K> comp)
      Sorts the existing list according to the order induced by the specified comparator.
      java.lang.String toString()
      Returns a string representation of the .
      java.util.Collection<V> values()  

      • Methods inherited from class java.lang.Object

        equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

    • Constructor Detail

      • HashList

        public HashList()
        Constructs a new, empty Collection with a default read-only value of false.

      • HashList

        public HashList​(int initialCapacity)
        Since:
        MicroStrategy Web 9.0.0

    • Method Detail

      • size

        public int size()
        Returns the current size of the collection.
        Returns:
        The number of items in the collection.

      • get

        public V get​(int index)
      throws java.lang.IndexOutOfBoundsException
        Gets the contained in the specified index of the collection. Throws IndexOutOfBoundsException in case the index is greater than the collection size or < 0.
        Parameters:
        index - The index of the item in the collection to get.
        Returns:
        the value contained in the specified index of the collection.
        Throws:
        java.lang.IndexOutOfBoundsException - Thrown if no item in the collection has the given index.

      • get

        public V get​(K key)
      throws java.lang.IllegalArgumentException
        Returns the contained with the specified key in the collection. Throws IllegalArgumentException in case the key does not exist in the collection.
        Parameters:
        key - The key of the item in the collection to get.
        Returns:
        the value to which collection maps the specified key.
        Throws:
        java.lang.IllegalArgumentException - Thrown if no item in the collection has the given key.
        Since:
        MicroStrategy Web 9.0.0

      • getKey

        public K getKey​(int index)
         throws java.lang.IndexOutOfBoundsException
        Gets the key of the item contained in the specified index of the collection. Throws IndexOutOfBoundsException in case the index is greater than the collection size or < 0.
        Parameters:
        index - The index of the item in the collection.
        Returns:
        the key of the item contained in the specified index of the collection.
        Throws:
        java.lang.IndexOutOfBoundsException - thrown if no item in the collection has the given index.

      • remove

        public V remove​(int index)
         throws java.lang.IndexOutOfBoundsException
        Removes the contained in the specified index of the collection. Throws IndexOutOfBoundsException in case the index is greater than the collection size or < 0; and UnsupportedOperationException in case the collection is a read-only .
        Parameters:
        index - The index of the item in the collection to remove.
        Returns:
        previous value in the specified index of the collection.
        Throws:
        java.lang.IndexOutOfBoundsException - Thrown if no item in the collection has the given index.

      • remove

        public V remove​(K key)
         throws java.lang.IllegalArgumentException
        Removes the contained with the specified key in the collection. Throws IllegalArgumentException if the key is not contained in the collection; and UnsupportedOperationException in case the collection is a read-only .
        Parameters:
        key - The key of the item in the collection to remove.
        Returns:
        previous value associated with specified key.
        Throws:
        java.lang.IllegalArgumentException - Thrown if no item in the collection has the given key.
        Since:
        MicroStrategy Web 9.0.0

      • add

        public void add​(K key,
                V newItem)
         throws java.lang.IllegalArgumentException
        Adds the , with the specified key, into the collection. Throws UnsupportedOperationException in case the collection is a read-only ; and IllegalArgumentException in case the key is null, or it already exists in the collection.
        Parameters:
        key - The key used to identify the in the collection.
        newItem - The to add to the collection.
        Throws:
        java.lang.IllegalArgumentException - Thrown if the given key is already contained in the collection.
        Since:
        MicroStrategy Web 9.0.0

      • put

        public void put​(K key,
                V newItem)
         throws java.lang.IllegalArgumentException
        Adds or replaces the , with the specified key, into the collection. Throws UnsupportedOperationException in case the collection is a read-only
        Parameters:
        key - The key used to identify the in the collection.
        newItem - The to add to the collection.
        Throws:
        java.lang.IllegalArgumentException - Thrown if the given key is already contained in the collection.
        Since:
        MicroStrategy Web 9.0.0

      • putAll

        public void putAll​(java.util.Map<K,​V> m)
            throws java.lang.IllegalArgumentException
        Adds all the s in the map to the collection
        Parameters:
        m - A Map with a list of key/value entries.
        Throws:
        java.lang.IllegalArgumentException - Thrown if any of the given keys is already contained in the collection.
        Since:
        MicroStrategy Web 8.0.1

      • putAll

        public void putAll​(HashList<K,​V> list)
            throws java.lang.IllegalArgumentException
        Adds all the s in the HashList in the same order defined in it.
        Parameters:
        list - A HashList with a list of key/value entries.
        Throws:
        java.lang.IllegalArgumentException - Thrown if any of the given keys is already contained in the collection.
        Since:
        MicroStrategy Web 9.0.0

      • replace

        public V replace​(K key,
                 V newItem)
        Replace the current item associated with the given key. Returns the item that was previously associated. Throws an exception If there is no element with the given value or with a null key.
        Parameters:
        key - the key of the element to replace
        newItem - the new item to be inserted.
        Returns:
        the previously associated with that key.
        Since:
        MicroStrategy Web 9.0.0

      • clear

        public void clear()
        Clears all items from the collection.

      • isEmpty

        public boolean isEmpty()
        Returns true if the collection is empyt, false otherwise.
        Returns:
        Whether the collection is empty.

      • containsKey

        public boolean containsKey​(K key)
        Returns true if the key is already in the collection, false otherwise.
        Parameters:
        key - The key that we want to look for in the collection.
        Returns:
        Wheter the collection contains the key.
        Since:
        MicroStrategy Web 9.0.0

      • containsValue

        public boolean containsValue​(V value)
        Returns true if this collection maps one or more keys to the specified value.
        Parameters:
        value - value whose presence in this collection is to be tested.
        Returns:
        true if this collection maps one or more keys to the specified value.
        Since:
        MicroStrategy Web 9.0.0

      • indexOf

        public int indexOf​(K key)
        Returns the index of the given key.
        Parameters:
        key - that represents the key.
        Returns:
        the index of the key in the collection, -1 if the is not found.
        Since:
        MicroStrategy Web 9.0.0

      • elements

        public java.util.Enumeration<V> elements()
        Return the enumeration of the items inside this list.
        Returns:
        An enumeration of the items inside this list.

      • values

        public java.util.Collection<V> values()
        Since:
        MicroStrategy Web 8.1.0

      • getKeyList

        @Deprecated
public java.util.ArrayList<K> getKeyList()
        Deprecated.
        replaced by keys()
        Do NOT use! Altering the contents of the Map can corrupt the underlying HashList.

      • keys

        public java.util.List<K> keys()
        Returns an unmodifiable List of the keys.
        Since:
        MicroStrategy Web 9.0.0

      • getItemSet

        @Deprecated
public java.util.HashMap<K,​V> getItemSet()
        Deprecated.
        replaced by items()
        Do NOT use! Altering the contents of the Map can corrupt the underlying HashList.

      • items

        public java.util.Map<K,​V> items()
        Returns an unmodifiable Map of the items.
        Since:
        MicroStrategy Web 9.0.0

      • setKeyList

        @Deprecated
public void setKeyList​(java.util.ArrayList<K> newValue)
        Deprecated.
        dangerous method pending removal
        Do NOT use! Altering the contents of the Map can corrupt the underlying HashList.

      • setItemSet

        @Deprecated
public void setItemSet​(java.util.HashMap<K,​V> newValue)
        Deprecated.
        dangerous method pending removal
        Do NOT use! Altering the contents of the Map can corrupt the underlying HashList.

      • clone

        public java.lang.Object clone()
                       throws java.lang.CloneNotSupportedException
        Overrides:
        clone in class java.lang.Object
        Throws:
        java.lang.CloneNotSupportedException

      • sort

        public void sort​(java.util.Comparator<K> comp)
        Sorts the existing list according to the order induced by the specified comparator.
        Since:
        MicroStrategy Web 8.0.2

      • toString

        public java.lang.String toString()
        Returns a string representation of the .
        Overrides:
        toString in class java.lang.Object
        Returns:
        a string representation of the .
        Since:
        MicroStrategy Web 8.0.0

      • getKey

        public static <K,​V> K getKey​(java.util.LinkedHashMap<K,​V> map,
                                   int index)
        Get the key of a LinkedHashMap by index.
        Parameters:
        map - the LinkedHashMap
        index - the index of the key
        Returns:
        the key of a LinkedHashMap by index.