/*
* @(#)TabularDataSupport.java 3.30 03/12/19
*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*/
package javax.management.openmbean;
// java import
//
import java.io.IOException;
import java.io.Serializable;
import java.io.ObjectInputStream;
import java.util.Iterator;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import java.util.Collection;
import java.util.Collections;
import java.util.Arrays;
import java.util.ArrayList;
import java.util.List;
// jmx import
//
/**
* The <tt>TabularDataSupport</tt> class is the <i>open data</i> class which implements the <tt>TabularData</tt>
* and the <tt>Map</tt> interfaces, and which is internally based on a hash map data structure.
*
* @version 3.30 03/12/19
* @author Sun Microsystems, Inc.
*
* @since 1.5
* @since.unbundled JMX 1.1
*/
public class TabularDataSupport
implements TabularData, Map, Cloneable, Serializable {
/* Serial version */
static final long serialVersionUID = 5720150593236309827L;
/**
* @serial This tabular data instance's contents: a {@link HashMap}
*/
private Map dataMap;
/**
* @serial This tabular data instance's tabular type
*/
private TabularType tabularType;
/**
* @serial The array of item names that define the index used for rows (convenience field)
*/
private transient String[] indexNamesArray;
/* *** Constructors *** */
/**
* Creates an empty <tt>TabularDataSupport</tt> instance whose open-type is <var>tabularType</var>,
* and whose underlying <tt>HashMap</tt> has a default initial capacity (101) and default load factor (0.75).
* <p>
* This constructor simply calls <tt>this(tabularType, 101, 0.75f);</tt>
*
* @param tabularType the <i>tabular type</i> describing this <tt>TabularData</tt> instance;
* cannot be null.
*
* @throws IllegalArgumentException if the tabular type is null.
*/
public TabularDataSupport(TabularType tabularType) {
this(tabularType, 101, 0.75f);
}
/**
* Creates an empty <tt>TabularDataSupport</tt> instance whose open-type is <var>tabularType</var>,
* and whose underlying <tt>HashMap</tt> has the specified initial capacity and load factor.
*
* @param tabularType the <i>tabular type</i> describing this <tt>TabularData</tt> instance;
* cannot be null.
*
* @param initialCapacity the initial capacity of the HashMap.
*
* @param loadFactor the load factor of the HashMap
*
* @throws IllegalArgumentException if the initial capacity is less than zero,
* or the load factor is nonpositive,
* or the tabular type is null.
*/
public TabularDataSupport(TabularType tabularType, int initialCapacity, float loadFactor) {
// Check tabularType is not null
//
if (tabularType == null) {
throw new IllegalArgumentException("Argument tabularType cannot be null.");
}
// Initialize this.tabularType (and indexNamesArray for convenience)
//
this.tabularType = tabularType;
List tmpNames = tabularType.getIndexNames();
this.indexNamesArray = (String[]) tmpNames.toArray(new String[tmpNames.size()]);
// Construct the empty contents HashMap
//
this.dataMap = new HashMap(initialCapacity, loadFactor);
}
/* *** TabularData specific information methods *** */
/**
* Returns the <i>tabular type</i> describing this <tt>TabularData</tt> instance.
*/
public TabularType getTabularType() {
return tabularType;
}
/**
* Calculates the index that would be used in this <tt>TabularData</tt> instance to refer to the specified
* composite data <var>value</var> parameter if it were added to this instance.
* This method checks for the type validity of the specified <var>value</var>,
* but does not check if the calculated index is already used to refer to a value in this <tt>TabularData</tt> instance.
*
* @param value the composite data value whose index in this
* <tt>TabularData</tt> instance is to be calculated;
* must be of the same composite type as this instance's row type;
* must not be null.
*
* @return the index that the specified <var>value</var> would have in this <tt>TabularData</tt> instance.
*
* @throws NullPointerException if <var>value</var> is <tt>null</tt>.
*
* @throws InvalidOpenTypeException if <var>value</var> does not conform to this <tt>TabularData</tt> instance's
* row type definition.
*/
public Object[] calculateIndex(CompositeData value) {
// Check value is valid
//
checkValueType(value);
// Return its calculated index
//
return internalCalculateIndex(value).toArray();
}
/* *** Content information query methods *** */
/**
* Returns <tt>true</tt> if and only if this <tt>TabularData</tt> instance contains a <tt>CompositeData</tt> value
* (ie a row) whose index is the specified <var>key</var>. If <var>key</var> cannot be cast to a one dimension array
* of Object instances, this method simply returns <tt>false</tt>; otherwise it returns the the result of the call to
* <tt>this.containsKey((Object[]) key)</tt>.
*
* @param key the index value whose presence in this <tt>TabularData</tt> instance is to be tested.
*
* @return <tt>true</tt> if this <tt>TabularData</tt> indexes a row value with the specified key.
*/
public boolean containsKey(Object key) {
// if key is not an array of Object instances, return false
//
Object[] k;
try {
k = (Object[]) key;
} catch (ClassCastException e) {
return false;
}
return this.containsKey(k);
}
/**
* Returns <tt>true</tt> if and only if this <tt>TabularData</tt> instance contains a <tt>CompositeData</tt> value
* (ie a row) whose index is the specified <var>key</var>. If <var>key</var> is <tt>null</tt> or does not conform to
* this <tt>TabularData</tt> instance's <tt>TabularType</tt> definition, this method simply returns <tt>false</tt>.
*
* @param key the index value whose presence in this <tt>TabularData</tt> instance is to be tested.
*
* @return <tt>true</tt> if this <tt>TabularData</tt> indexes a row value with the specified key.
*/
public boolean containsKey(Object[] key) {
return ( key == null ? false : dataMap.containsKey(Arrays.asList(key)) );
}
/**
* Returns <tt>true</tt> if and only if this <tt>TabularData</tt> instance contains the specified
* <tt>CompositeData</tt> value. If <var>value</var> is <tt>null</tt> or does not conform to
* this <tt>TabularData</tt> instance's row type definition, this method simply returns <tt>false</tt>.
*
* @param value the row value whose presence in this <tt>TabularData</tt> instance is to be tested.
*
* @return <tt>true</tt> if this <tt>TabularData</tt> instance contains the specified row value.
*/
public boolean containsValue(CompositeData value) {
return dataMap.containsValue(value);
}
/**
* Returns <tt>true</tt> if and only if this <tt>TabularData</tt> instance contains the specified
* value.
*
* @param value the row value whose presence in this <tt>TabularData</tt> instance is to be tested.
*
* @return <tt>true</tt> if this <tt>TabularData</tt> instance contains the specified row value.
*/
public boolean containsValue(Object value) {
return dataMap.containsValue(value);
}
/**
* This method simply calls <tt>get((Object[]) key)</tt>.
*
* @throws NullPointerException if the <var>key</var> is <tt>null</tt>
* @throws ClassCastException if the <var>key</var> is not of the type <tt>Object[]</tt>
* @throws InvalidKeyException if the <var>key</var> does not conform to this <tt>TabularData</tt> instance's
* <tt>TabularType</tt> definition
*/
public Object get(Object key) {
return get((Object[]) key);
}
/**
* Returns the <tt>CompositeData</tt> value whose index is
* <var>key</var>, or <tt>null</tt> if there is no value mapping
* to <var>key</var>, in this <tt>TabularData</tt> instance.
*
* @param key the index of the value to get in this
* <tt>TabularData</tt> instance; * must be valid with this
* <tt>TabularData</tt> instance's row type definition; * must not
* be null.
*
* @return the value corresponding to <var>key</var>.
*
* @throws NullPointerException if the <var>key</var> is <tt>null</tt>
* @throws InvalidKeyException if the <var>key</var> does not conform to this <tt>TabularData</tt> instance's
* <tt>TabularType</tt> type definition.
*/
public CompositeData get(Object[] key) {
// Check key is not null and valid with tabularType
// (throws NullPointerException, InvalidKeyException)
//
checkKeyType(key);
// Return the mapping stored in the parent HashMap
//
return (CompositeData) dataMap.get(Arrays.asList(key));
}
/* *** Content modification operations (one element at a time) *** */
/**
* This method simply calls <tt>put((CompositeData) value)</tt> and
* therefore ignores its <var>key</var> parameter which can be <tt>null</tt>.
*
* @param key an ignored parameter.
* @param value the {@link CompositeData} to put.
*
* @return the value which is put
*
* @throws NullPointerException if the <var>value</var> is <tt>null</tt>
* @throws ClassCastException if the <var>value</var> is not of the type <tt>CompositeData</tt>
* @throws InvalidOpenTypeException if the <var>value</var> does not conform to this <tt>TabularData</tt> instance's
* <tt>TabularType</tt> definition
* @throws KeyAlreadyExistsException if the key for the <var>value</var> parameter, calculated according to
* this <tt>TabularData</tt> instance's <tt>TabularType</tt> definition
* already maps to an existing value
*/
public Object put(Object key, Object value) {
put((CompositeData) value);
return value;
}
public void put(CompositeData value) {
// Check value is not null, value's type is the same as this instance's row type,
// and calculate the value's index according to this instance's tabularType and
// check it is not already used for a mapping in the parent HashMap
//
List index = checkValueAndIndex(value);
// store the (key, value) mapping in the dataMap HashMap
//
dataMap.put(index, value);
}
/**
* This method simply calls <tt>remove((Object[]) key)</tt>.
*
* @param key an <tt>Object[]</tt> representing the key to remove.
*
* @return previous value associated with specified key, or <tt>null</tt>
* if there was no mapping for key.
*
* @throws NullPointerException if the <var>key</var> is <tt>null</tt>
* @throws ClassCastException if the <var>key</var> is not of the type <tt>Object[]</tt>
* @throws InvalidKeyException if the <var>key</var> does not conform to this <tt>TabularData</tt> instance's
* <tt>TabularType</tt> definition
*/
public Object remove(Object key) {
return remove((Object[]) key);
}
/**
* Removes the <tt>CompositeData</tt> value whose index is <var>key</var> from this <tt>TabularData</tt> instance,
* and returns the removed value, or returns <tt>null</tt> if there is no value whose index is <var>key</var>.
*
* @param key the index of the value to get in this <tt>TabularData</tt> instance;
* must be valid with this <tt>TabularData</tt> instance's row type definition;
* must not be null.
*
* @return previous value associated with specified key, or <tt>null</tt>
* if there was no mapping for key.
*
* @throws NullPointerException if the <var>key</var> is <tt>null</tt>
* @throws InvalidKeyException if the <var>key</var> does not conform to this <tt>TabularData</tt> instance's
* <tt>TabularType</tt> definition
*/
public CompositeData remove(Object[] key) {
// Check key is not null and valid with tabularType
// (throws NullPointerException, InvalidKeyException)
//
checkKeyType(key);
// Removes the (key, value) mapping in the parent HashMap
//
return (CompositeData) dataMap.remove(Arrays.asList(key));
}
/* *** Content modification bulk operations *** */
/**
* Add all the values contained in the specified map <var>t</var> to this <tt>TabularData</tt> instance.
* This method converts the collection of values contained in this map into an array of <tt>CompositeData</tt> values,
* if possible, and then call the method <tt>putAll(CompositeData[])</tt>. Note that the keys used in the specified
* map <var>t</var> are ignored. This method allows, for example to add the content of another <tt>TabularData</tt>
* instance with the same row type (but possibly different index names) into this instance.
*
* @param t the map whose values are to be added as new rows to this <tt>TabularData</tt> instance;
* if <var>t</var> is <tt>null</tt> or empty, this method returns without doing anything.
*
* @throws NullPointerException if a value in <var>t</var> is <tt>null</tt>.
* @throws ClassCastException if a value in <var>t</var> is not an instance of <tt>CompositeData</tt>.
* @throws InvalidOpenTypeException if a value in <var>t</var> does not conform to
* this <tt>TabularData</tt> instance's row type definition.
* @throws KeyAlreadyExistsException if the index for a value in <var>t</var>, calculated according to
* this <tt>TabularData</tt> instance's <tt>TabularType</tt> definition
* already maps to an existing value in this instance,
* or two values in <var>t</var> have the same index.
*/
public void putAll(Map t) {
// if t is null or empty, just return
//
if ( (t == null) || (t.size() == 0) ) {
return;
}
// Convert the values in t into an array of <tt>CompositeData</tt>
//
CompositeData[] values;
try {
values = (CompositeData[]) t.values().toArray(new CompositeData[t.size()]);
} catch (java.lang.ArrayStoreException e) {
throw new ClassCastException("Map argument t contains values which are not instances of <tt>CompositeData</tt>");
}
// Add the array of values
//
putAll(values);
}
/**
* Add all the elements in <var>values</var> to this <tt>TabularData</tt> instance.
* If any element in <var>values</var> does not satisfy the constraints defined in {@link #put(CompositeData) <tt>put</tt>},
* or if any two elements in <var>values</var> have the same index calculated according to this <tt>TabularData</tt>
* instance's <tt>TabularType</tt> definition, then an exception describing the failure is thrown
* and no element of <var>values</var> is added, thus leaving this <tt>TabularData</tt> instance unchanged.
*
* @param values the array of composite data values to be added as new rows to this <tt>TabularData</tt> instance;
* if <var>values</var> is <tt>null</tt> or empty, this method returns without doing anything.
*
* @throws NullPointerException if an element of <var>values</var> is <tt>null</tt>
* @throws InvalidOpenTypeException if an element of <var>values</var> does not conform to
* this <tt>TabularData</tt> instance's row type definition
* (ie its <tt>TabularType</tt> definition)
* @throws KeyAlreadyExistsException if the index for an element of <var>values</var>, calculated according to
* this <tt>TabularData</tt> instance's <tt>TabularType</tt> definition
* already maps to an existing value in this instance,
* or two elements of <var>values</var> have the same index
*/
public void putAll(CompositeData[] values) {
// if values is null or empty, just return
//
if ( (values == null) || (values.length == 0) ) {
return;
}
// create the list of indexes corresponding to each value
ArrayList indexes = new ArrayList(values.length + 1);
// Check all elements in values and build index list
//
List index;
for (int i=0; i<values.length; i++) {
// check value and calculate index
index = checkValueAndIndex(values[i]);
// check index is different of those previously calculated
if (indexes.contains(index)) {
throw new KeyAlreadyExistsException("Argument elements values["+ i +"] and values["+ indexes.indexOf(index) +
"] have the same indexes, "+
"calculated according to this TabularData instance's tabularType.");
}
// add to index list
indexes.add(index);
}
// store all (index, value) mappings in the dataMap HashMap
//
for (int i=0; i<values.length; i++) {
dataMap.put(indexes.get(i), values[i]);
}
}
/**
* Removes all rows from this <code>TabularDataSupport</code> instance.
*/
public void clear() {
dataMap.clear();
}
/* *** Informational methods from java.util.Map *** */
/**
* Returns the number of rows in this <code>TabularDataSupport</code> instance.
*
* @return the number of rows in this <code>TabularDataSupport</code> instance.
*/
public int size() {
return dataMap.size();
}
/**
* Returns <tt>true</tt> if this <code>TabularDataSupport</code> instance contains no rows.
*
* @return <tt>true</tt> if this <code>TabularDataSupport</code> instance contains no rows.
*/
public boolean isEmpty() {
return (this.size() == 0);
}
/* *** Collection views from java.util.Map *** */
/**
* Returns a set view of the keys contained in the underlying map of this <code>TabularDataSupport</code> instance,
* and used to index the rows. Each key contained in this set is an unmodifiable List.
* The set is backed by the underlying map of this <code>TabularDataSupport</code> instance,
* so changes to the <code>TabularDataSupport</code> instance are reflected in the set, and vice-versa.
*
* The set supports element removal, which removes the
* corresponding row from this <code>TabularDataSupport</code> instance, via the <tt>Iterator.remove</tt>,
* <tt>Set.remove</tt>, <tt>removeAll</tt>, <tt>retainAll</tt>, and
* <tt>clear</tt> operations.
* It does not support the <tt>add</tt> or <tt>addAll</tt> operations
*
* @return a set view of the keys used to index the rows of this <code>TabularDataSupport</code> instance.
*/
public Set keySet() {
return dataMap.keySet() ;
}
/**
* Returns a collection view of the rows contained in this <code>TabularDataSupport</code> instance.
* The collection is backed by the underlying map, so changes to the <code>TabularDataSupport</code> instance
* are reflected in the collection, and vice-versa.
*
* The collection supports element removal,
* which removes the corresponding index to row mapping from this <code>TabularDataSupport</code> instance,
* via the <tt>Iterator.remove</tt>, <tt>Collection.remove</tt>,
* <tt>removeAll</tt>, <tt>retainAll</tt>, and <tt>clear</tt> operations.
* It does not support the <tt>add</tt> or <tt>addAll</tt> operations.
*
* @return a collection view of the values contained in this <code>TabularDataSupport</code> instance.
*/
public Collection values() {
return dataMap.values() ;
}
/**
* Returns a collection view of the index to row mappings contained in this <code>TabularDataSupport</code> instance.
* Each element in the returned collection is a <tt>Map.Entry</tt>.
* The collection is backed by the underlying map of this <code>TabularDataSupport</code> instance, in
* so changes to the <code>TabularDataSupport</code> instance are reflected the collection, and vice-versa.
* The collection supports element removal, which removes the corresponding mapping from the map, via the
* <tt>Iterator.remove</tt>, <tt>Collection.remove</tt>,
* <tt>removeAll</tt>, <tt>retainAll</tt>, and <tt>clear</tt> operations.
* It does not support the <tt>add</tt> or <tt>addAll</tt> operations.
* <p>
* <b>IMPORTANT NOTICE</b>: Do not use the <tt>SetValue</tt> method of <tt>Map.Entry</tt> elements contained in the returned
* collection view. Doing so would corrupt the index to row mappings contained in this <code>TabularDataSupport</code> instance.
* <p>
*
* @return a collection view of the mappings contained in this map.
* @see java.util.Map.Entry
*/
public Set entrySet() {
return dataMap.entrySet();
}
/* *** Commodity methods from java.lang.Object *** */
/**
* Returns a clone of this <code>TabularDataSupport</code> instance:
* the clone is obtained by calling <tt>super.clone()</tt>, and then cloning the underlying map.
* Only a shallow clone of the underlying map is made, i.e. no cloning of the indexes and row values is made as they are immutable.
*/
public Object clone() {
try {
TabularDataSupport c = (TabularDataSupport) super.clone();
c.dataMap = (HashMap) ((HashMap) c.dataMap).clone();
return c;
}
catch (CloneNotSupportedException e) {
throw new InternalError(e.toString());
}
}
/**
* Compares the specified <var>obj</var> parameter with this <code>TabularDataSupport</code> instance for equality.
* <p>
* Returns <tt>true</tt> if and only if all of the following statements are true:
* <ul>
* <li><var>obj</var> is non null,</li>
* <li><var>obj</var> also implements the <code>TabularData</code> interface,</li>
* <li>their tabular types are equal</li>
* <li>their contents (ie all CompositeData values) are equal.</li>
* </ul>
* This ensures that this <tt>equals</tt> method works properly for <var>obj</var> parameters which are
* different implementations of the <code>TabularData</code> interface.
* <br>
* @param obj the object to be compared for equality with this <code>TabularDataSupport</code> instance;
*
* @return <code>true</code> if the specified object is equal to this <code>TabularDataSupport</code> instance.
*/
public boolean equals(Object obj) {
// if obj is null, return false
//
if (obj == null) {
return false;
}
// if obj is not a TabularData, return false
//
TabularData other;
try {
other = (TabularData) obj;
} catch (ClassCastException e) {
return false;
}
// Now, really test for equality between this TabularData implementation and the other:
//
// their tabularType should be equal
if ( ! this.getTabularType().equals(other.getTabularType()) ) {
return false;
}
// their contents should be equal:
// . same size
// . values in this instance are in the other (we know there are no duplicate elements possible)
// (row values comparison is enough, because keys are calculated according to tabularType)
if (this.size() != other.size()) {
return false;
}
for (Iterator iter = this.values().iterator(); iter.hasNext(); ) {
CompositeData value = (CompositeData) iter.next();
if ( ! other.containsValue(value) ) {
return false;
}
}
// All tests for equality were successfull
//
return true;
}
/**
* Returns the hash code value for this <code>TabularDataSupport</code> instance.
* <p>
* The hash code of a <code>TabularDataSupport</code> instance is the sum of the hash codes
* of all elements of information used in <code>equals</code> comparisons
* (ie: its <i>tabular type</i> and its content, where the content is defined as all the CompositeData values).
* <p>
* This ensures that <code> t1.equals(t2) </code> implies that <code> t1.hashCode()==t2.hashCode() </code>
* for any two <code>TabularDataSupport</code> instances <code>t1</code> and <code>t2</code>,
* as required by the general contract of the method
* {@link Object#hashCode() Object.hashCode()}.
* <p>
* However, note that another instance of a class implementing the <code>TabularData</code> interface
* may be equal to this <code>TabularDataSupport</code> instance as defined by {@link #equals},
* but may have a different hash code if it is calculated differently.
*
* @return the hash code value for this <code>TabularDataSupport</code> instance
*/
public int hashCode() {
int result = 0;
result += this.tabularType.hashCode();
for (Iterator iter = this.values().iterator(); iter.hasNext(); ) {
result += ((CompositeData)iter.next()).hashCode();
}
return result;
}
/**
* Returns a string representation of this <code>TabularDataSupport</code> instance.
* <p>
* The string representation consists of the name of this class (ie <code>javax.management.openmbean.TabularDataSupport</code>),
* the string representation of the tabular type of this instance, and the string representation of the contents
* (ie list the key=value mappings as returned by a call to
* <tt>dataMap.</tt>{@link java.util.HashMap#toString() toString()}).
*
* @return a string representation of this <code>TabularDataSupport</code> instance
*/
public String toString() {
return new StringBuffer()
.append(this.getClass().getName())
.append("(tabularType=")
.append(tabularType.toString())
.append(",contents=")
.append(dataMap.toString())
.append(")")
.toString();
}
/* *** TabularDataSupport internal utility methods *** */
/**
* Returns the index for value, assuming value is valid for this <tt>TabularData</tt> instance
* (ie value is not null, and its composite type is equal to row type).
*
* The index is a List, and not an array, so that an index.equals(otherIndex) call will actually compare contents,
* not just the objects references as is done for an array object.
*
* The returned List is unmodifiable so that once a row has been put into the dataMap, its index cannot be modified,
* for example by a user that would attempt to modify an index contained in the Set returned by keySet().
*/
private List internalCalculateIndex(CompositeData value) {
return Collections.unmodifiableList(Arrays.asList(value.getAll(this.indexNamesArray)));
}
/**
* Checks if the specified key is valid for this <tt>TabularData</tt> instance.
*
* @throws NullPointerException
* @throws InvalidOpenTypeException
*/
private void checkKeyType(Object[] key) {
// Check key is neither null nor empty
//
if ( (key == null) || (key.length == 0) ) {
throw new NullPointerException("Argument key cannot be null or empty.");
}
/* Now check key is valid with tabularType index and row type definitions: */
// key[] should have the size expected for an index
//
if (key.length != this.indexNamesArray.length) {
throw new InvalidKeyException("Argument key's length="+ key.length +
" is different from the number of item values, which is "+ indexNamesArray.length +
", specified for the indexing rows in this TabularData instance.");
}
// each element in key[] should be a value for its corresponding open type specified in rowType
//
OpenType keyElementType;
for (int i=0; i<key.length; i++) {
keyElementType = tabularType.getRowType().getType(this.indexNamesArray[i]);
if ( (key[i] != null) && (! keyElementType.isValue(key[i])) ) {
throw new InvalidKeyException("Argument element key["+ i +"] is not a value for the open type expected for "+
"this element of the index, whose name is \""+ indexNamesArray[i] +
"\" and whose open type is "+ keyElementType);
}
}
}
/**
* Checks the specified value's type is valid for this <tt>TabularData</tt> instance
* (ie value is not null, and its composite type is equal to row type).
*
* @throws NullPointerException
* @throws InvalidOpenTypeException
*/
private void checkValueType(CompositeData value) {
// Check value is not null
//
if (value == null) {
throw new NullPointerException("Argument value cannot be null.");
}
// if value's type is not the same as this instance's row type, throw InvalidOpenTypeException
//
if ( ! value.getCompositeType().equals(tabularType.getRowType()) ) {
throw new InvalidOpenTypeException("Argument value's composite type ["+ value.getCompositeType() +
"] is not equal to "+
"this TabularData instance's row type ["+ tabularType.getRowType() +"].");
}
}
/**
* Checks if the specified value can be put (ie added) in this <tt>TabularData</tt> instance
* (ie value is not null, its composite type is equal to row type, and its index is not already used),
* and returns the index calculated for this value.
*
* The index is a List, and not an array, so that an index.equals(otherIndex) call will actually compare contents,
* not just the objects references as is done for an array object.
*
* @throws NullPointerException
* @throws InvalidOpenTypeException
* @throws KeyAlreadyExistsException
*/
private List checkValueAndIndex(CompositeData value) {
// Check value is valid
//
checkValueType(value);
// Calculate value's index according to this instance's tabularType
// and check it is not already used for a mapping in the parent HashMap
//
List index = internalCalculateIndex(value);
if (dataMap.containsKey(index)) {
throw new KeyAlreadyExistsException("Argument value's index, calculated according to this TabularData "+
"instance's tabularType, already refers to a value in this table.");
}
// The check is OK, so return the index
//
return index;
}
/**
* Deserializes a {@link TabularDataSupport} from an {@link ObjectInputStream}.
*/
private void readObject(ObjectInputStream in)
throws IOException, ClassNotFoundException {
in.defaultReadObject();
List tmpNames = tabularType.getIndexNames();
indexNamesArray = (String[]) tmpNames.toArray(new String[tmpNames.size()]);
}
}
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