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地平线
2015-06-21 10:46:24 +08:00
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/*******************************************************************************
* Copyright (c) 2008 - 2013 Oracle Corporation. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
* which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* Linda DeMichiel - Java Persistence 2.1
* Linda DeMichiel - Java Persistence 2.0
*
******************************************************************************/
package javax.persistence;
import static java.lang.annotation.ElementType.TYPE;
import static java.lang.annotation.RetentionPolicy.RUNTIME;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;
/**
* Specifies whether an entity should be cached if caching is enabled
* when the value of the <code>persistence.xml</code> caching element
* is <code>ENABLE_SELECTIVE</code> or <code>DISABLE_SELECTIVE</code>.
* The value of the <code>Cacheable</code> annotation is inherited by
* subclasses; it can be overridden by specifying
* <code>Cacheable</code> on a subclass.
*
* <p> <code>Cacheable(false)</code> means that the entity and its state must
* not be cached by the provider.
*
* @since Java Persistence 2.0
*/
@Target( { TYPE })
@Retention(RUNTIME)
public @interface Cacheable {
/**
* (Optional) Whether or not the entity should be cached.
*/
boolean value() default true;
}

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/*******************************************************************************
* Copyright (c) 2008 - 2013 Oracle Corporation. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
* which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* Linda DeMichiel - Java Persistence 2.1
* Linda DeMichiel - Java Persistence 2.0
*
******************************************************************************/
package javax.persistence;
import java.lang.annotation.Target;
import java.lang.annotation.Retention;
import static java.lang.annotation.ElementType.METHOD;
import static java.lang.annotation.ElementType.FIELD;
import static java.lang.annotation.RetentionPolicy.RUNTIME;
/**
* Specifies the mapped column for a persistent property or field.
* If no <code>Column</code> annotation is specified, the default values apply.
*
* <blockquote><pre>
* Example 1:
*
* &#064;Column(name="DESC", nullable=false, length=512)
* public String getDescription() { return description; }
*
* Example 2:
*
* &#064;Column(name="DESC",
* columnDefinition="CLOB NOT NULL",
* table="EMP_DETAIL")
* &#064;Lob
* public String getDescription() { return description; }
*
* Example 3:
*
* &#064;Column(name="ORDER_COST", updatable=false, precision=12, scale=2)
* public BigDecimal getCost() { return cost; }
*
* </pre></blockquote>
*
*
* @since Java Persistence 1.0
*/
@Target({METHOD, FIELD})
@Retention(RUNTIME)
public @interface Column {
/**
* (Optional) The name of the column. Defaults to
* the property or field name.
*/
String name() default "";
/**
* (Optional) Whether the column is a unique key. This is a
* shortcut for the <code>UniqueConstraint</code> annotation at the table
* level and is useful for when the unique key constraint
* corresponds to only a single column. This constraint applies
* in addition to any constraint entailed by primary key mapping and
* to constraints specified at the table level.
*/
boolean unique() default false;
/**
* (Optional) Whether the database column is nullable.
*/
boolean nullable() default true;
/**
* (Optional) Whether the column is included in SQL INSERT
* statements generated by the persistence provider.
*/
boolean insertable() default true;
/**
* (Optional) Whether the column is included in SQL UPDATE
* statements generated by the persistence provider.
*/
boolean updatable() default true;
/**
* (Optional) The SQL fragment that is used when
* generating the DDL for the column.
* <p> Defaults to the generated SQL to create a
* column of the inferred type.
*/
String columnDefinition() default "";
/**
* (Optional) The name of the table that contains the column.
* If absent the column is assumed to be in the primary table.
*/
String table() default "";
/**
* (Optional) The column length. (Applies only if a
* string-valued column is used.)
*/
int length() default 255;
/**
* (Optional) The precision for a decimal (exact numeric)
* column. (Applies only if a decimal column is used.)
* Value must be set by developer if used when generating
* the DDL for the column.
*/
int precision() default 0;
/**
* (Optional) The scale for a decimal (exact numeric) column.
* (Applies only if a decimal column is used.)
*/
int scale() default 0;
}

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/*******************************************************************************
* Copyright (c) 2008 - 2013 Oracle Corporation. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
* which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* Linda DeMichiel - Java Persistence 2.1
* Linda DeMichiel - Java Persistence 2.0
*
******************************************************************************/
package javax.persistence;
import java.lang.annotation.Target;
import java.lang.annotation.Retention;
import java.lang.annotation.Documented;
import static java.lang.annotation.ElementType.TYPE;
import static java.lang.annotation.RetentionPolicy.RUNTIME;
/**
* Specifies that the class is an entity. This annotation is applied to the
* entity class.
*
* @since Java Persistence 1.0
*/
@Documented
@Target(TYPE)
@Retention(RUNTIME)
public @interface Entity {
/**
* (Optional) The entity name. Defaults to the unqualified
* name of the entity class. This name is used to refer to the
* entity in queries. The name must not be a reserved literal
* in the Java Persistence query language.
*/
String name() default "";
}

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/*******************************************************************************
* Copyright (c) 2008 - 2013 Oracle Corporation. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
* which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* Linda DeMichiel - Java Persistence 2.1
* Linda DeMichiel - Java Persistence 2.0
*
******************************************************************************/
package javax.persistence;
import java.lang.annotation.Target;
import java.lang.annotation.Retention;
import static java.lang.annotation.ElementType.FIELD;
import static java.lang.annotation.ElementType.METHOD;
import static java.lang.annotation.RetentionPolicy.RUNTIME;
import static javax.persistence.GenerationType.AUTO;
/**
* Provides for the specification of generation strategies for the
* values of primary keys.
*
* <p> The <code>GeneratedValue</code> annotation
* may be applied to a primary key property or field of an entity or
* mapped superclass in conjunction with the {@link Id} annotation.
* The use of the <code>GeneratedValue</code> annotation is only
* required to be supported for simple primary keys. Use of the
* <code>GeneratedValue</code> annotation is not supported for derived
* primary keys.
*
* <pre>
*
* Example 1:
*
* &#064;Id
* &#064;GeneratedValue(strategy=SEQUENCE, generator="CUST_SEQ")
* &#064;Column(name="CUST_ID")
* public Long getId() { return id; }
*
* Example 2:
*
* &#064;Id
* &#064;GeneratedValue(strategy=TABLE, generator="CUST_GEN")
* &#064;Column(name="CUST_ID")
* Long id;
* </pre>
*
* @see Id
* @see TableGenerator
* @see SequenceGenerator
*
* @since Java Persistence 1.0
*/
@Target({METHOD, FIELD})
@Retention(RUNTIME)
public @interface GeneratedValue {
/**
* (Optional) The primary key generation strategy
* that the persistence provider must use to
* generate the annotated entity primary key.
*/
GenerationType strategy() default AUTO;
/**
* (Optional) The name of the primary key generator
* to use as specified in the {@link SequenceGenerator}
* or {@link TableGenerator} annotation.
* <p> Defaults to the id generator supplied by persistence provider.
*/
String generator() default "";
}

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/*******************************************************************************
* Copyright (c) 2008 - 2013 Oracle Corporation. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
* which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* Linda DeMichiel - Java Persistence 2.1
* Linda DeMichiel - Java Persistence 2.0
*
******************************************************************************/
package javax.persistence;
/**
* Defines the types of primary key generation strategies.
*
* @see GeneratedValue
*
* @since Java Persistence 1.0
*/
public enum GenerationType {
/**
* Indicates that the persistence provider must assign
* primary keys for the entity using an underlying
* database table to ensure uniqueness.
*/
TABLE,
/**
* Indicates that the persistence provider must assign
* primary keys for the entity using a database sequence.
*/
SEQUENCE,
/**
* Indicates that the persistence provider must assign
* primary keys for the entity using a database identity column.
*/
IDENTITY,
/**
* Indicates that the persistence provider should pick an
* appropriate strategy for the particular database. The
* <code>AUTO</code> generation strategy may expect a database
* resource to exist, or it may attempt to create one. A vendor
* may provide documentation on how to create such resources
* in the event that it does not support schema generation
* or cannot create the schema resource at runtime.
*/
AUTO
}

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/*******************************************************************************
* Copyright (c) 2008 - 2013 Oracle Corporation. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
* which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* Linda DeMichiel - Java Persistence 2.1
* Linda DeMichiel - Java Persistence 2.0
*
******************************************************************************/
package javax.persistence;
import java.lang.annotation.Target;
import java.lang.annotation.Retention;
import static java.lang.annotation.ElementType.FIELD;
import static java.lang.annotation.ElementType.METHOD;
import static java.lang.annotation.RetentionPolicy.RUNTIME;
/**
* Specifies the primary key of an entity.
* The field or property to which the <code>Id</code> annotation is applied
* should be one of the following types: any Java primitive type;
* any primitive wrapper type;
* <code>String</code>;
* <code>java.util.Date</code>;
* <code>java.sql.Date</code>;
* <code>java.math.BigDecimal</code>;
* <code>java.math.BigInteger</code>.
*
* <p>The mapped column for the primary key of the entity is assumed
* to be the primary key of the primary table. If no <code>Column</code> annotation
* is specified, the primary key column name is assumed to be the name
* of the primary key property or field.
*
* <pre>
* Example:
*
* &#064;Id
* public Long getId() { return id; }
* </pre>
*
* @see Column
* @see GeneratedValue
*
* @since Java Persistence 1.0
*/
@Target({METHOD, FIELD})
@Retention(RUNTIME)
public @interface Id {}

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/*******************************************************************************
* Copyright (c) 2011 - 2013 Oracle Corporation. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
* which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* Linda DeMichiel - Java Persistence 2.1
*
******************************************************************************/
package javax.persistence;
import static java.lang.annotation.RetentionPolicy.RUNTIME;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;
/**
* Used in schema generation to specify creation of an index.
* <p>
* Note that it is not necessary to specify an index for a primary key,
* as the primary key index will be created automatically.
*
* <p>
* The syntax of the <code>columnList</code> element is a
* <code>column_list</code>, as follows:
*
* <pre>
* column::= index_column [,index_column]*
* index_column::= column_name [ASC | DESC]
* </pre>
*
* <p> If <code>ASC</code> or <code>DESC</code> is not specified,
* <code>ASC</code> (ascending order) is assumed.
*
* @see Table
* @see SecondaryTable
* @see CollectionTable
* @see JoinTable
* @see TableGenerator
*
* @since Java Persistence 2.1
*
*/
@Target({})
@Retention(RUNTIME)
public @interface Index {
/**
* (Optional) The name of the index; defaults to a provider-generated name.
*/
String name() default "";
/**
* (Required) The names of the columns to be included in the index,
* in order.
*/
String columnList();
/**
* (Optional) Whether the index is unique.
*/
boolean unique() default false;
}

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/*******************************************************************************
* Copyright (c) 2008 - 2013 Oracle Corporation. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
* which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* Linda DeMichiel - Java Persistence 2.1
* Linda DeMichiel - Java Persistence 2.0
*
******************************************************************************/
package javax.persistence;
import java.lang.annotation.Target;
import java.lang.annotation.Retention;
import static java.lang.annotation.ElementType.TYPE;
import static java.lang.annotation.RetentionPolicy.RUNTIME;
/**
* Specifies the primary table for the annotated entity. Additional
* tables may be specified using {@link SecondaryTable} or {@link
* SecondaryTables} annotation.
*
* <p> If no <code>Table</code> annotation is specified for an entity
* class, the default values apply.
*
* <pre>
* Example:
*
* &#064;Entity
* &#064;Table(name="CUST", schema="RECORDS")
* public class Customer { ... }
* </pre>
*
* @since Java Persistence 1.0
*/
@Target(TYPE)
@Retention(RUNTIME)
public @interface Table {
/**
* (Optional) The name of the table.
* <p> Defaults to the entity name.
*/
String name() default "";
/** (Optional) The catalog of the table.
* <p> Defaults to the default catalog.
*/
String catalog() default "";
/** (Optional) The schema of the table.
* <p> Defaults to the default schema for user.
*/
String schema() default "";
/**
* (Optional) Unique constraints that are to be placed on
* the table. These are only used if table generation is in
* effect. These constraints apply in addition to any constraints
* specified by the <code>Column</code> and <code>JoinColumn</code>
* annotations and constraints entailed by primary key mappings.
* <p> Defaults to no additional constraints.
*/
UniqueConstraint[] uniqueConstraints() default {};
/**
* (Optional) Indexes for the table. These are only used if
* table generation is in effect. Note that it is not necessary
* to specify an index for a primary key, as the primary key
* index will be created automatically.
*
* @since Java Persistence 2.1
*/
Index[] indexes() default {};
}

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/*******************************************************************************
* Copyright (c) 2008 - 2013 Oracle Corporation. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
* which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* Linda DeMichiel - Java Persistence 2.1
* Linda DeMichiel - Java Persistence 2.0
*
******************************************************************************/
package javax.persistence;
import java.lang.annotation.Target;
import java.lang.annotation.Retention;
import static java.lang.annotation.ElementType.METHOD;
import static java.lang.annotation.ElementType.FIELD;
import static java.lang.annotation.RetentionPolicy.RUNTIME;
/**
* Specifies that the property or field is not persistent. It is used
* to annotate a property or field of an entity class, mapped
* superclass, or embeddable class.
*
* <pre>
* Example:
*
* &#064;Entity
* public class Employee {
* &#064;Id int id;
* &#064;Transient User currentUser;
* ...
* }
* </pre>
*
* @since Java Persistence 1.0
*/
@Target({METHOD, FIELD})
@Retention(RUNTIME)
public @interface Transient {}

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/*******************************************************************************
* Copyright (c) 2008 - 2013 Oracle Corporation. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
* which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* Linda DeMichiel - Java Persistence 2.1
* Linda DeMichiel - Java Persistence 2.0
*
******************************************************************************/
package javax.persistence;
import java.lang.annotation.Target;
import java.lang.annotation.Retention;
import static java.lang.annotation.RetentionPolicy.RUNTIME;
/**
* Specifies that a unique constraint is to be included in
* the generated DDL for a primary or secondary table.
*
* <pre>
* Example:
* &#064;Entity
* &#064;Table(
* name="EMPLOYEE",
* uniqueConstraints=
* &#064;UniqueConstraint(columnNames={"EMP_ID", "EMP_NAME"})
* )
* public class Employee { ... }
* </pre>
*
* @since Java Persistence 1.0
*/
@Target({})
@Retention(RUNTIME)
public @interface UniqueConstraint {
/** (Optional) Constraint name. A provider-chosen name will be chosen
* if a name is not specified.
*
* @since Java Persistence 2.0
*/
String name() default "";
/** (Required) An array of the column names that make up the constraint. */
String[] columnNames();
}