diff options
Diffstat (limited to 'authz-cass/src/main/java/com/att/dao/CassDAOImpl.java')
| -rw-r--r-- | authz-cass/src/main/java/com/att/dao/CassDAOImpl.java | 327 |
1 files changed, 0 insertions, 327 deletions
diff --git a/authz-cass/src/main/java/com/att/dao/CassDAOImpl.java b/authz-cass/src/main/java/com/att/dao/CassDAOImpl.java deleted file mode 100644 index 82ae8b1f..00000000 --- a/authz-cass/src/main/java/com/att/dao/CassDAOImpl.java +++ /dev/null @@ -1,327 +0,0 @@ -/*******************************************************************************
- * ============LICENSE_START====================================================
- * * org.onap.aaf
- * * ===========================================================================
- * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
- * * ===========================================================================
- * * Licensed under the Apache License, Version 2.0 (the "License");
- * * you may not use this file except in compliance with the License.
- * * You may obtain a copy of the License at
- * *
- * * http://www.apache.org/licenses/LICENSE-2.0
- * *
- * * Unless required by applicable law or agreed to in writing, software
- * * distributed under the License is distributed on an "AS IS" BASIS,
- * * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * * See the License for the specific language governing permissions and
- * * limitations under the License.
- * * ============LICENSE_END====================================================
- * *
- * * ECOMP is a trademark and service mark of AT&T Intellectual Property.
- * *
- ******************************************************************************/
-package com.att.dao;
-
-import java.io.ByteArrayInputStream;
-import java.io.DataInputStream;
-import java.lang.reflect.Field;
-import java.nio.ByteBuffer;
-import java.util.List;
-
-import com.att.authz.env.AuthzTrans;
-import com.att.authz.layer.Result;
-import com.att.dao.aaf.cass.Status;
-import com.att.inno.env.TransStore;
-import com.datastax.driver.core.Cluster;
-import com.datastax.driver.core.ConsistencyLevel;
-import com.datastax.driver.core.ResultSet;
-import com.datastax.driver.core.ResultSetFuture;
-
-/**
- * AbsCassDAO
- *
- * Deal with the essentials of Interaction with Cassandra DataStore for all Cassandra DAOs
- *
- *
- * @param <DATA>
- */
-public class CassDAOImpl<TRANS extends TransStore,DATA> extends AbsCassDAO<TRANS, DATA> implements DAO<TRANS,DATA> {
- public static final String USER_NAME = "__USER_NAME__";
- protected static final String CREATE_SP = "CREATE ";
- protected static final String UPDATE_SP = "UPDATE ";
- protected static final String DELETE_SP = "DELETE ";
- protected static final String SELECT_SP = "SELECT ";
-
- protected final String C_TEXT = getClass().getSimpleName() + " CREATE";
- protected final String R_TEXT = getClass().getSimpleName() + " READ";
- protected final String U_TEXT = getClass().getSimpleName() + " UPDATE";
- protected final String D_TEXT = getClass().getSimpleName() + " DELETE";
- private String table;
-
- protected final ConsistencyLevel readConsistency,writeConsistency;
-
- // Setteable only by CachedDAO
- protected Cached<?, ?> cache;
-
- /**
- * A Constructor from the originating Cluster. This DAO will open the Session at need,
- * and shutdown the session when "close()" is called.
- *
- * @param cluster
- * @param keyspace
- * @param dataClass
- */
- public CassDAOImpl(TRANS trans, String name, Cluster cluster, String keyspace, Class<DATA> dataClass, String table, ConsistencyLevel read, ConsistencyLevel write) {
- super(trans, name, cluster,keyspace,dataClass);
- this.table = table;
- readConsistency = read;
- writeConsistency = write;
- }
-
- /**
- * A Constructor to share Session with other DAOs.
- *
- * This method get the Session and Cluster information from the calling DAO, and won't
- * touch the Session on closure.
- *
- * @param aDao
- * @param dataClass
- */
- public CassDAOImpl(TRANS trans, String name, AbsCassDAO<TRANS,?> aDao, Class<DATA> dataClass, String table, ConsistencyLevel read, ConsistencyLevel write) {
- super(trans, name, aDao,dataClass);
- this.table = table;
- readConsistency = read;
- writeConsistency = write;
- }
-
- protected PSInfo createPS;
- protected PSInfo readPS;
- protected PSInfo updatePS;
- protected PSInfo deletePS;
- private boolean async=false;
-
- public void async(boolean bool) {
- async = bool;
- }
-
- public final String[] setCRUD(TRANS trans, String table, Class<?> dc,Loader<DATA> loader) {
- return setCRUD(trans, table, dc, loader, -1);
- }
-
- public final String[] setCRUD(TRANS trans, String table, Class<?> dc,Loader<DATA> loader, int max) {
- Field[] fields = dc.getDeclaredFields();
- int end = max>=0 & max<fields.length?max:fields.length;
- // get keylimit from a non-null Loader
- int keylimit = loader.keylimit();
-
- StringBuilder sbfc = new StringBuilder();
- StringBuilder sbq = new StringBuilder();
- StringBuilder sbwc = new StringBuilder();
- StringBuilder sbup = new StringBuilder();
-
- if(keylimit>0) {
- for(int i=0;i<end;++i) {
- if(i>0) {
- sbfc.append(',');
- sbq.append(',');
- if(i<keylimit) {
- sbwc.append(" AND ");
- }
- }
- sbfc.append(fields[i].getName());
- sbq.append('?');
- if(i>=keylimit) {
- if(i>keylimit) {
- sbup.append(',');
- }
- sbup.append(fields[i].getName());
- sbup.append("=?");
- }
- if(i<keylimit) {
- sbwc.append(fields[i].getName());
- sbwc.append("=?");
- }
- }
-
- createPS = new PSInfo(trans, "INSERT INTO " + table + " ("+ sbfc +") VALUES ("+ sbq +");",loader,writeConsistency);
-
- readPS = new PSInfo(trans, "SELECT " + sbfc + " FROM " + table + " WHERE " + sbwc + ';',loader,readConsistency);
-
- // Note: UPDATES can't compile if there are no fields besides keys... Use "Insert"
- if(sbup.length()==0) {
- updatePS = createPS; // the same as an insert
- } else {
- updatePS = new PSInfo(trans, "UPDATE " + table + " SET " + sbup + " WHERE " + sbwc + ';',loader,writeConsistency);
- }
-
- deletePS = new PSInfo(trans, "DELETE FROM " + table + " WHERE " + sbwc + ';',loader,writeConsistency);
- }
- return new String[] {sbfc.toString(), sbq.toString(), sbup.toString(), sbwc.toString()};
- }
-
- public void replace(CRUD crud, PSInfo psInfo) {
- switch(crud) {
- case create: createPS = psInfo; break;
- case read: readPS = psInfo; break;
- case update: updatePS = psInfo; break;
- case delete: deletePS = psInfo; break;
- }
- }
-
- public void disable(CRUD crud) {
- switch(crud) {
- case create: createPS = null; break;
- case read: readPS = null; break;
- case update: updatePS = null; break;
- case delete: deletePS = null; break;
- }
- }
-
-
- /**
- * Given a DATA object, extract the individual elements from the Data into an Object Array for the
- * execute element.
- */
- public Result<DATA> create(TRANS trans, DATA data) {
- if(createPS==null) {
- Result.err(Result.ERR_NotImplemented,"Create is disabled for %s",getClass().getSimpleName());
- }
- if(async) /*ResultSetFuture */ {
- Result<ResultSetFuture> rs = createPS.execAsync(trans, C_TEXT, data);
- if(rs.notOK()) {
- return Result.err(rs);
- }
- } else {
- Result<ResultSet> rs = createPS.exec(trans, C_TEXT, data);
- if(rs.notOK()) {
- return Result.err(rs);
- }
- }
- wasModified(trans, CRUD.create, data);
- return Result.ok(data);
- }
-
- /**
- * Read the Unique Row associated with Full Keys
- */
- public Result<List<DATA>> read(TRANS trans, DATA data) {
- if(readPS==null) {
- Result.err(Result.ERR_NotImplemented,"Read is disabled for %s",getClass().getSimpleName());
- }
- return readPS.read(trans, R_TEXT, data);
- }
-
- public Result<List<DATA>> read(TRANS trans, Object ... key) {
- if(readPS==null) {
- Result.err(Result.ERR_NotImplemented,"Read is disabled for %s",getClass().getSimpleName());
- }
- return readPS.read(trans, R_TEXT, key);
- }
-
- public Result<Void> update(TRANS trans, DATA data) {
- if(updatePS==null) {
- Result.err(Result.ERR_NotImplemented,"Update is disabled for %s",getClass().getSimpleName());
- }
- if(async)/* ResultSet rs =*/ {
- Result<ResultSetFuture> rs = updatePS.execAsync(trans, U_TEXT, data);
- if(rs.notOK()) {
- return Result.err(rs);
- }
- } else {
- Result<ResultSet> rs = updatePS.exec(trans, U_TEXT, data);
- if(rs.notOK()) {
- return Result.err(rs);
- }
- }
-
- wasModified(trans, CRUD.update, data);
- return Result.ok();
- }
-
- // This method Sig for Cached...
- public Result<Void> delete(TRANS trans, DATA data, boolean reread) {
- if(deletePS==null) {
- Result.err(Result.ERR_NotImplemented,"Delete is disabled for %s",getClass().getSimpleName());
- }
- // Since Deleting will be stored off, for possible re-constitution, need the whole thing
- if(reread) {
- Result<List<DATA>> rd = read(trans,data);
- if(rd.notOK()) {
- return Result.err(rd);
- }
- if(rd.isEmpty()) {
- return Result.err(Status.ERR_NotFound,"Not Found");
- }
- for(DATA d : rd.value) {
- if(async) {
- Result<ResultSetFuture> rs = deletePS.execAsync(trans, D_TEXT, d);
- if(rs.notOK()) {
- return Result.err(rs);
- }
- } else {
- Result<ResultSet> rs = deletePS.exec(trans, D_TEXT, d);
- if(rs.notOK()) {
- return Result.err(rs);
- }
- }
- wasModified(trans, CRUD.delete, d);
- }
- } else {
- if(async)/* ResultSet rs =*/ {
- Result<ResultSetFuture> rs = deletePS.execAsync(trans, D_TEXT, data);
- if(rs.notOK()) {
- return Result.err(rs);
- }
- } else {
- Result<ResultSet> rs = deletePS.exec(trans, D_TEXT, data);
- if(rs.notOK()) {
- return Result.err(rs);
- }
- }
- wasModified(trans, CRUD.delete, data);
- }
- return Result.ok();
- }
-
- public final Object[] keyFrom(DATA data) {
- return createPS.keyFrom(data);
- }
-
- @Override
- public String table() {
- return table;
- }
-
- public static final String CASS_READ_CONSISTENCY="cassandra.readConsistency";
- public static final String CASS_WRITE_CONSISTENCY="cassandra.writeConsistency";
- protected static ConsistencyLevel readConsistency(AuthzTrans trans, String table) {
- String prop = trans.getProperty(CASS_READ_CONSISTENCY+'.'+table);
- if(prop==null) {
- prop = trans.getProperty(CASS_READ_CONSISTENCY);
- if(prop==null) {
- return ConsistencyLevel.ONE; // this is Cassandra Default
- }
- }
- return ConsistencyLevel.valueOf(prop);
- }
-
- protected static ConsistencyLevel writeConsistency(AuthzTrans trans, String table) {
- String prop = trans.getProperty(CASS_WRITE_CONSISTENCY+'.'+table);
- if(prop==null) {
- prop = trans.getProperty(CASS_WRITE_CONSISTENCY);
- if(prop==null) {
- return ConsistencyLevel.ONE; // this is Cassandra Default\
- }
- }
- return ConsistencyLevel.valueOf(prop);
- }
-
- public static DataInputStream toDIS(ByteBuffer bb) {
- byte[] b = bb.array();
- return new DataInputStream(
- new ByteArrayInputStream(b,bb.position(),bb.limit())
- );
- }
-
-
-}
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