Key (JPortal2 1.10.2 API)

java.lang.Object
- bbd.jportal2.Key

All Implemented Interfaces:

Serializable
```
public class Key
extends Object
implements Serializable
```
Keys and Indexes used for the database (if its not primary or unique then it is an index)

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type	Field	Description
`Vector<String>`	`fields`	List of fields used in the index or key
`boolean`	`isPrimary`	Indicates the primary key
`boolean`	`isUnique`	Indicates the index is unique (not defined if primary key)
`String`	`name`	Name of index or key
`Vector<String>`	`options`

Constructor Summary

Constructors
Constructor Description

Key()
Contructs with default values

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Vector<String>`	`getFields()`
`String`	`getName()`
`Vector<String>`	`getOptions()`
`boolean`	`hasField(String s)`	Checks if field is already used
`boolean`	`isPrimary()`
`boolean`	`isUnique()`
`void`	`reader(DataInputStream ids)`
`void`	`writer(DataOutputStream ods)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail
- name
```
public String name
```
  Name of index or key
- fields
```
public Vector<String> fields
```
  List of fields used in the index or key
- options
```
public Vector<String> options
```
- isPrimary
```
public boolean isPrimary
```
  Indicates the primary key
- isUnique
```
public boolean isUnique
```
  Indicates the index is unique (not defined if primary key)

Constructor Detail
- Key
```
public Key()
```
  Contructs with default values

Method Detail

getName
```
public String getName()
```

getFields
```
public Vector<String> getFields()
```

getOptions
```
public Vector<String> getOptions()
```

isPrimary
```
public boolean isPrimary()
```

isUnique
```
public boolean isUnique()
```

reader

public void reader(DataInputStream ids)
            throws IOException

Throws:: IOException

writer

public void writer(DataOutputStream ods)
            throws IOException

Throws:: IOException

hasField
```
public boolean hasField(String s)
```
Checks if field is already used