53 lines
1.2 KiB
Java
53 lines
1.2 KiB
Java
package com.moparisthebest.jdbc;
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import java.sql.Array;
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import java.sql.Connection;
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import java.sql.SQLException;
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import java.util.Collection;
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/**
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* Created by mopar on 4/29/15.
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*/
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public class ArrayInList implements InList {
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private static final InList instance = new ArrayInList();
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public static InList instance() {
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return instance;
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}
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protected ArrayInList() {
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}
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protected String columnAppend() {
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return " = ANY(?)";
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}
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protected <T> Array toArray(final Connection conn, final Collection<T> values) throws SQLException {
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return conn.createArrayOf(
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values.iterator().next() instanceof Number ? "number" : "text",
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values.toArray()
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);
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}
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public <T> InListObject inList(final Connection conn, final String columnName, final Collection<T> values) throws SQLException {
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return values == null || values.isEmpty() ? InListObject.empty : new ArrayListObject(
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columnName + columnAppend(),
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toArray(conn, values)
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);
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}
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class ArrayListObject extends InListObject {
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private final Array array;
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public ArrayListObject(final String sql, final Array array) {
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super(sql);
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this.array = array;
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}
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public Array getArray() {
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return array;
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}
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}
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}
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