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Extracted constants from DatabaseComponent interface.

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This commit is contained in:
akwizgran
2011-09-23 15:33:41 +01:00
parent b675c38953
commit 7c6e0c349c
5 changed files with 23 additions and 14 deletions
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10
api/net/sf/briar/api/db/DatabaseComponent.java
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@@ -30,16 +30,6 @@ import net.sf.briar.api.transport.ConnectionWindow;
*/
public interface DatabaseComponent {
static final int MEGABYTES = 1024 * 1024;
// FIXME: These should be configurable
static final long MIN_FREE_SPACE = 300L * MEGABYTES;
static final long CRITICAL_FREE_SPACE = 100L * MEGABYTES;
static final int MAX_BYTES_BETWEEN_SPACE_CHECKS = 5 * MEGABYTES;
static final long MAX_MS_BETWEEN_SPACE_CHECKS = 60L * 1000L; // 1 min
static final int BYTES_PER_SWEEP = 5 * MEGABYTES;
static final long EXPIRY_MODULUS = 60L * 60L * 1000L; // 1 hour
/**
* Opens the database.
* @param resume True to reopen an existing database or false to create a

6
components/net/sf/briar/db/DatabaseComponentImpl.java
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@@ -1,5 +1,11 @@
package net.sf.briar.db;
import static net.sf.briar.db.DatabaseConstants.BYTES_PER_SWEEP;
import static net.sf.briar.db.DatabaseConstants.CRITICAL_FREE_SPACE;
import static net.sf.briar.db.DatabaseConstants.MAX_BYTES_BETWEEN_SPACE_CHECKS;
import static net.sf.briar.db.DatabaseConstants.MAX_MS_BETWEEN_SPACE_CHECKS;
import static net.sf.briar.db.DatabaseConstants.MIN_FREE_SPACE;
import java.io.IOException;
import java.util.ArrayList;
import java.util.BitSet;

14
components/net/sf/briar/db/DatabaseConstants.java Normal file
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@@ -0,0 +1,14 @@
package net.sf.briar.db;
interface DatabaseConstants {
static final int MEGABYTE = 1024 * 1024;
// FIXME: These should be configurable
static final long MIN_FREE_SPACE = 300L * MEGABYTE;
static final long CRITICAL_FREE_SPACE = 100L * MEGABYTE;
static final int MAX_BYTES_BETWEEN_SPACE_CHECKS = 5 * MEGABYTE;
static final long MAX_MS_BETWEEN_SPACE_CHECKS = 60L * 1000L; // 1 min
static final int BYTES_PER_SWEEP = 5 * MEGABYTE;
static final long EXPIRY_MODULUS = 60L * 60L * 1000L; // 1 hour
}

3
components/net/sf/briar/db/JdbcDatabase.java
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@@ -21,7 +21,6 @@ import java.util.logging.Logger;
import net.sf.briar.api.ContactId;
import net.sf.briar.api.Rating;
import net.sf.briar.api.db.DatabaseComponent;
import net.sf.briar.api.db.DbException;
import net.sf.briar.api.db.Status;
import net.sf.briar.api.protocol.AuthorId;
@@ -1509,7 +1508,7 @@ abstract class JdbcDatabase implements Database<Connection> {
rs = ps.executeQuery();
if(rs.next()) {
timestamp = rs.getLong(1);
timestamp -= timestamp % DatabaseComponent.EXPIRY_MODULUS;
timestamp -= timestamp % DatabaseConstants.EXPIRY_MODULUS;
}
if(rs.next()) throw new DbStateException();
rs.close();

4
test/net/sf/briar/db/DatabaseComponentImplTest.java
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@@ -1,7 +1,7 @@
package net.sf.briar.db;
import static net.sf.briar.api.db.DatabaseComponent.BYTES_PER_SWEEP;
import static net.sf.briar.api.db.DatabaseComponent.MIN_FREE_SPACE;
import static net.sf.briar.db.DatabaseConstants.BYTES_PER_SWEEP;
import static net.sf.briar.db.DatabaseConstants.MIN_FREE_SPACE;
import java.util.Collections;