Java tutorial
/** * Copyright 2017 Goldman Sachs. * 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. */ package com.gs.obevo.dbmetadata.impl; import com.gs.obevo.dbmetadata.api.DaColumn; import com.gs.obevo.dbmetadata.api.DaForeignKey; import com.gs.obevo.dbmetadata.api.DaIndex; import com.gs.obevo.dbmetadata.api.DaPrimaryKey; import com.gs.obevo.dbmetadata.api.DaSchema; import com.gs.obevo.dbmetadata.api.DaView; import org.apache.commons.lang3.Validate; import org.apache.commons.lang3.builder.ToStringBuilder; import org.apache.commons.lang3.builder.ToStringStyle; import org.eclipse.collections.api.collection.ImmutableCollection; import org.eclipse.collections.api.list.ImmutableList; import org.eclipse.collections.impl.factory.Lists; import schemacrawler.schema.View; public class DaViewImpl implements DaView { private final View view; private final ExtraRerunnableInfo extraRerunnableInfo; private final SchemaStrategy schemaStrategy; public DaViewImpl(View view, SchemaStrategy schemaStrategy, ExtraRerunnableInfo extraRerunnableInfo) { this.view = Validate.notNull(view); this.schemaStrategy = Validate.notNull(schemaStrategy); this.extraRerunnableInfo = extraRerunnableInfo; } @Override public String getName() { return view.getName(); } @Override public String getDefinition() { if (extraRerunnableInfo != null && extraRerunnableInfo.getDefinition() != null) { return extraRerunnableInfo.getDefinition(); } return view.getDefinition(); } @Override public ImmutableList<DaColumn> getColumns() { return Lists.immutable.empty(); } @Override public boolean isView() { return true; } @Override public DaSchema getSchema() { return new DaSchemaImpl(view.getSchema(), schemaStrategy); } @Override public DaColumn getColumn(String columnName) { return null; } @Override public DaPrimaryKey getPrimaryKey() { return null; } @Override public ImmutableCollection<DaIndex> getIndices() { return Lists.immutable.empty(); } @Override public ImmutableCollection<DaForeignKey> getImportedForeignKeys() { return Lists.immutable.empty(); } @Override public <T> T getAttribute(String name) { return (T) view.getAttribute(name); } @Override public boolean equals(Object o) { if (this == o) { return true; } if (!(o instanceof DaViewImpl)) { return false; } DaViewImpl daView6 = (DaViewImpl) o; return view.equals(daView6.view); } @Override public int hashCode() { return view.hashCode(); } @Override public String toString() { return new ToStringBuilder(this, ToStringStyle.SHORT_PREFIX_STYLE).append("view", view).toString(); } }