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authorWarren Levy <warrenl@cygnus.com>2000-12-01 01:48:34 +0000
committerWarren Levy <warrenl@gcc.gnu.org>2000-12-01 01:48:34 +0000
commit6934615b9736d0a777ce7f6933129ea1cdd2dd23 (patch)
tree7c67e6325a21b9cf53bbdc5648f2e7523a514436 /libjava/java/sql/SQLInput.java
parent95ac07b0f4d9916c7a850e3b427cbc768819d742 (diff)
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Array.java: New file from classpath.
* Array.java: New file from classpath. * BatchUpdateException.java: Ditto. * Blob.java: Ditto. * Clob.java: Ditto. * Ref.java: Ditto. * SQLData.java: Ditto. * SQLInput.java: Ditto. * SQLOutput.java: Ditto. * Struct.java: Ditto. * CallableStatement.java: Merged file from claspath. * Connection.java: Ditto. * DataTruncation.java: Ditto. * DatabaseMetaData.java: Ditto. * DriverManager.java: Ditto. * PreparedStatement.java: Ditto. * ResultSet.java: Ditto. * ResultSetMetaData.java: Ditto. * SQLException.java: Ditto. * SQLWarning.java: Ditto. * Statement.java: Ditto. * Types.java: Ditto. From-SVN: r37906
Diffstat (limited to 'libjava/java/sql/SQLInput.java')
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diff --git a/libjava/java/sql/SQLInput.java b/libjava/java/sql/SQLInput.java
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+/* SQLInput.java -- Read SQL values from a stream
+ Copyright (C) 1999, 2000 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+As a special exception, if you link this library with other files to
+produce an executable, this library does not by itself cause the
+resulting executable to be covered by the GNU General Public License.
+This exception does not however invalidate any other reasons why the
+executable file might be covered by the GNU General Public License. */
+
+
+package java.sql;
+
+import java.io.InputStream;
+import java.io.Reader;
+import java.math.BigDecimal;
+
+/**
+ * This interface provides methods for reading values from a stream
+ * that is connected to a SQL structured or distinct type. It is used
+ * for custom mapping of user defined data types.
+ *
+ * @author Aaron M. Renn (arenn@urbanophile.com)
+ */
+public interface SQLInput
+{
+
+/*************************************************************************/
+
+/**
+ * This method reads the next item from the stream a Java
+ * <code>String</code>.
+ *
+ * @return The value read from the stream as a <code>String</code>.
+ *
+ * @exception SQLException If an error occurs.
+ */
+public abstract String
+readString() throws SQLException;
+
+/*************************************************************************/
+
+/**
+ * This method reads the next item from the stream a Java
+ * <code>boolean</code>.
+ *
+ * @return The value read from the stream as a <code>boolean</code>.
+ *
+ * @exception SQLException If an error occurs.
+ */
+public abstract boolean
+readBoolean() throws SQLException;
+
+/*************************************************************************/
+
+/**
+ * This method reads the next item from the stream a Java
+ * <code>byte</code>.
+ *
+ * @return The value read from the stream as a <code>byte</code>.
+ *
+ * @exception SQLException If an error occurs.
+ */
+public abstract byte
+readByte() throws SQLException;
+
+/*************************************************************************/
+
+/**
+ * This method reads the next item from the stream a Java
+ * <code>short</code>.
+ *
+ * @return The value read from the stream as a <code>short</code>.
+ *
+ * @exception SQLException If an error occurs.
+ */
+public abstract short
+readShort() throws SQLException;
+
+/*************************************************************************/
+
+/**
+ * This method reads the next item from the stream a Java
+ * <code>int</code>.
+ *
+ * @return The value read from the stream as an <code>int</code>.
+ *
+ * @exception SQLException If an error occurs.
+ */
+public abstract int
+readInt() throws SQLException;
+
+/*************************************************************************/
+
+/**
+ * This method reads the next item from the stream a Java
+ * <code>long</code>.
+ *
+ * @return The value read from the stream as a <code>long</code>.
+ *
+ * @exception SQLException If an error occurs.
+ */
+public abstract long
+readLong() throws SQLException;
+
+/*************************************************************************/
+
+/**
+ * This method reads the next item from the stream a Java
+ * <code>float</code>.
+ *
+ * @return The value read from the stream as a <code>float</code>.
+ *
+ * @exception SQLException If an error occurs.
+ */
+public abstract float
+readFloat() throws SQLException;
+
+/*************************************************************************/
+
+/**
+ * This method reads the next item from the stream a Java
+ * <code>double</code>.
+ *
+ * @return The value read from the stream as a <code>double</code>.
+ *
+ * @exception SQLException If an error occurs.
+ */
+public abstract double
+readDouble() throws SQLException;
+
+/*************************************************************************/
+
+/**
+ * This method reads the next item from the stream a Java
+ * <code>BigDecimal</code>.
+ *
+ * @return The value read from the stream as a <code>BigDecimal</code>.
+ *
+ * @exception SQLException If an error occurs.
+ */
+public abstract BigDecimal
+readBigDecimal() throws SQLException;
+
+/*************************************************************************/
+
+/**
+ * This method reads the next item from the stream a Java
+ * byte array
+ *
+ * @return The value read from the stream as a byte array.
+ *
+ * @exception SQLException If an error occurs.
+ */
+public abstract byte[]
+readBytes() throws SQLException;
+
+/*************************************************************************/
+
+/**
+ * This method reads the next item from the stream a Java
+ * <code>java.sql.Date</code>.
+ *
+ * @return The value read from the stream as a <code>java.sql.Date</code>.
+ *
+ * @exception SQLException If an error occurs.
+ */
+public abstract java.sql.Date
+readDate() throws SQLException;
+
+/*************************************************************************/
+
+/**
+ * This method reads the next item from the stream a Java
+ * <code>java.sql.Time</code>.
+ *
+ * @return The value read from the stream as a <code>java.sql.Time</code>.
+ *
+ * @exception SQLException If an error occurs.
+ */
+public abstract java.sql.Time
+readTime() throws SQLException;
+
+/*************************************************************************/
+
+/**
+ * This method reads the next item from the stream a Java
+ * <code>java.sql.Timestamp</code>.
+ *
+ * @return The value read from the stream as a <code>java.sql.Timestamp</code>.
+ *
+ * @exception SQLException If an error occurs.
+ */
+public abstract java.sql.Timestamp
+readTimestamp() throws SQLException;
+
+/*************************************************************************/
+
+/**
+ * This method reads the next item from the stream a ASCII text
+ * <code>InputStream</code>.
+ *
+ * @return The value read from the stream as an <code>InputStream</code>.
+ *
+ * @exception SQLException If an error occurs.
+ */
+public abstract InputStream
+readAsciiStream() throws SQLException;
+
+/*************************************************************************/
+
+/**
+ * This method reads the next item from the stream a binary
+ * <code>InputStream</code>.
+ *
+ * @return The value read from the stream as an <code>InputStream</code>.
+ *
+ * @exception SQLException If an error occurs.
+ */
+public abstract InputStream
+readBinaryStream() throws SQLException;
+
+/*************************************************************************/
+
+/**
+ * This method reads the next item from the stream a character
+ * <code>Reader</code>.
+ *
+ * @return The value read from the stream as a <code>Reader</code>.
+ *
+ * @exception SQLException If an error occurs.
+ */
+public abstract Reader
+readCharacterStream() throws SQLException;
+
+/*************************************************************************/
+
+/**
+ * This method reads the next item from the stream a Java
+ * <code>Object</code>.
+ *
+ * @return The value read from the stream as an <code>Object</code>.
+ *
+ * @exception SQLException If an error occurs.
+ */
+public abstract Object
+readObject() throws SQLException;
+
+/*************************************************************************/
+
+/**
+ * This method reads the next item from the stream a Java SQL
+ * <code>Ref</code>.
+ *
+ * @return The value read from the stream as an <code>Ref</code>.
+ *
+ * @exception SQLException If an error occurs.
+ */
+public abstract Ref
+readRef() throws SQLException;
+
+/*************************************************************************/
+
+/**
+ * This method reads the next item from the stream a Java SQL
+ * <code>Blob</code>.
+ *
+ * @return The value read from the stream as a <code>Blob</code>.
+ *
+ * @exception SQLException If an error occurs.
+ */
+public abstract Blob
+readBlob() throws SQLException;
+
+/*************************************************************************/
+
+/**
+ * This method reads the next item from the stream a Java SQL
+ * <code>Clob</code>.
+ *
+ * @return The value read from the stream as a <code>Clob</code>.
+ *
+ * @exception SQLException If an error occurs.
+ */
+public abstract Clob
+readClob() throws SQLException;
+
+/*************************************************************************/
+
+/**
+ * This method reads the next item from the stream a Java SQL
+ * <code>Array</code>.
+ *
+ * @return The value read from the stream as an <code>Array</code>.
+ *
+ * @exception SQLException If an error occurs.
+ */
+public abstract Array
+readArray() throws SQLException;
+
+/*************************************************************************/
+
+/**
+ * This method tests whether or not the last value read was a SQL
+ * NULL value.
+ *
+ * @return <code>true</code> if the last value read was a NULL,
+ * <code>false</code> otherwise.
+ *
+ * @exception SQLException If an error occurs.
+ */
+public abstract boolean
+wasNull() throws SQLException;
+
+} // interface SQLInput
+